*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg-app: #f0f4fa;
  --bg-sidebar: #ffffff;
  --bg-card: #ffffff;
  --bg-hover: #f3f6fb;
  --bg-active: #e8f0fe;
  --border: #dde3ed;
  --border-light: #e8edf4;
  --text-primary: #1a1f2e;
  --text-secondary: #5a6478;
  --text-muted: #8b95a8;
  --accent: #4f8ef7;
  --accent-hover: #3a7ae8;
  --accent-light: #e3edfd;
  --accent-purple: #6b5ce7;
  --accent-violet: #9b5de5;
  --accent-teal: #00b4a0;
  --accent-coral: #ff6b6b;
  --accent-amber: #ffb347;
  --unread-dot: #4f8ef7;
  --important: #e85d3a;
  --reminder: #6b5ce7;
  --reminder-light: #ede9fe;
  --shadow-sm: 0 1px 3px rgba(30, 50, 90, 0.06);
  --shadow-md: 0 4px 16px rgba(30, 50, 90, 0.1);
  --shadow-lg: 0 8px 32px rgba(30, 50, 90, 0.14);
  --radius: 10px;
  --radius-sm: 6px;
  --font: 'Segoe UI', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', sans-serif;
}

body {
  font-family: var(--font);
  background: linear-gradient(135deg, #f0f4fa 0%, #e8eef8 50%, #f3f0fb 100%);
  color: var(--text-primary);
  line-height: 1.5;
  min-height: 100vh;
}

.app {
  display: flex;
  height: 100dvh;
  overflow: hidden;
}

/* Sidebar */
.sidebar {
  width: 268px;
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  min-height: 0;
  position: relative;
  overflow-y: auto;
  box-shadow: 2px 0 12px rgba(30, 50, 90, 0.04);
}

.sidebar-accent {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--accent) 0%, var(--accent-purple) 50%, var(--accent-violet) 100%);
}

.sidebar-header {
  padding: 24px 20px 22px;
  border-bottom: 1px solid var(--border-light);
}

.logo {
  display: flex;
  align-items: center;
  gap: 14px;
}

.logo-icon {
  flex-shrink: 0;
}

.logo-label {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.logo-text {
  font-size: 1.55rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-purple) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.04em;
  line-height: 1.1;
}

.logo-tagline {
  font-size: 0.72rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* Mailbox switcher (Outlook-style) */
.mailbox-section {
  padding: 14px 16px 10px;
  border-bottom: 1px solid var(--border-light);
}

.mailbox-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.mailbox-section-title {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}

.mailbox-add-btn {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: white;
  color: var(--accent);
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}

.mailbox-add-btn:hover {
  background: var(--accent-light);
  border-color: #93c5fd;
}

.mailbox-add-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.mailbox-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
  max-height: 200px;
  overflow-y: auto;
}

.mailbox-tab-row {
  display: flex;
  align-items: stretch;
  gap: 2px;
}

.mailbox-tab-row.active .mailbox-tab {
  background: var(--bg-active);
  border-color: #c4d9fc;
}

.mailbox-tab {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
  min-width: 0;
  padding: 9px 10px;
  border: 1px solid transparent;
  border-radius: 9px;
  background: transparent;
  cursor: pointer;
  text-align: left;
  transition: background 0.15s, border-color 0.15s;
}

.mailbox-tab:hover {
  background: var(--bg-hover);
}

.mailbox-tab.active {
  background: var(--bg-active);
  border-color: #c4d9fc;
}

.mailbox-tab-row--auth-error .mailbox-tab {
  border-color: #fecaca;
  background: #fff5f5;
}

.mailbox-tab--auth-error .mailbox-tab-meta {
  color: #b91c1c;
}

.mailbox-tab-auth-warn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  border-radius: 999px;
  background: #dc2626;
  color: #fff;
  font-size: 0.62rem;
  font-weight: 800;
  vertical-align: middle;
}

.mailbox-tab-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-purple) 100%);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  font-weight: 700;
  flex-shrink: 0;
}

.mailbox-tab-info {
  flex: 1;
  min-width: 0;
  overflow: hidden;
}

.mailbox-tab-email-row {
  display: flex;
  align-items: center;
  gap: 4px;
  min-width: 0;
}

.mailbox-tab-email {
  flex: 1;
  min-width: 0;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.mailbox-tab-meta {
  display: block;
  font-size: 0.68rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.mailbox-tab-count {
  position: relative;
  min-width: 28px;
  height: 28px;
  padding: 0 8px;
  margin-left: 6px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-purple) 100%);
  color: white;
  font-size: 0.82rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 2px 6px rgba(79, 142, 247, 0.28);
}

.mailbox-tab-count--new {
  background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
  box-shadow: 0 0 0 2px rgba(239, 68, 68, 0.5), 0 2px 8px rgba(239, 68, 68, 0.35);
}

.mailbox-tab-count--new::before {
  content: '';
  position: absolute;
  top: -3px;
  right: -3px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #ef4444;
  border: 2px solid #fff;
}

.mailbox-tab-count--new.mailbox-tab-count--new-blink {
  animation: mailbox-count-pop 1.4s ease-in-out infinite;
}

.mailbox-tab-count--new.mailbox-tab-count--new-blink::before {
  box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.6);
  animation: mailbox-dot-pulse-red 1.4s ease-in-out infinite;
}

@keyframes mailbox-dot-pulse-red {
  0%, 100% {
    transform: scale(1);
    box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.6);
  }
  50% {
    transform: scale(1.15);
    box-shadow: 0 0 0 6px rgba(239, 68, 68, 0);
  }
}

@keyframes mailbox-count-pop {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.06); }
}

.mailbox-tab-badge {
  min-width: 20px;
  height: 20px;
  padding: 0 6px;
  border-radius: 10px;
  background: var(--accent);
  color: white;
  font-size: 0.65rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.mailbox-tab-badge[hidden] {
  display: none;
}

.mailbox-tab-remove {
  width: 28px;
  align-self: center;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 8px;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  flex-shrink: 0;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.mailbox-tab-row:hover .mailbox-tab-remove,
.mailbox-tab-remove:focus-visible {
  color: #94a3b8;
}

.mailbox-tab-remove:hover {
  background: #fee2e2;
  border-color: #fecaca;
  color: #b91c1c;
}

.mailbox-limit-hint {
  margin-top: 8px;
  font-size: 0.68rem;
  color: var(--text-muted);
  text-align: center;
}

.add-mailbox-form .form-group {
  margin-bottom: 14px;
}

.add-mailbox-form label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text-secondary);
}

.add-mailbox-form input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.9rem;
  font-family: inherit;
}

.add-mailbox-form input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(79, 142, 247, 0.15);
}

.add-mailbox-submit {
  width: 100%;
  margin-top: 6px;
  padding: 12px 16px;
  border: none;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-purple) 100%);
  color: white;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.add-mailbox-submit:hover:not(:disabled) {
  filter: brightness(1.05);
}

.add-mailbox-submit:disabled {
  opacity: 0.65;
  cursor: not-allowed;
}

.add-mailbox-submit .submit-spinner {
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.35);
  border-top-color: white;
  border-radius: 50%;
  animation: logout-spin 0.7s linear infinite;
}

.add-mailbox-form .login-message {
  margin-bottom: 10px;
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 0.82rem;
}

.add-mailbox-form .login-message.error {
  background: #fef2f2;
  color: #b91c1c;
  border: 1px solid #fecaca;
}

.add-mailbox-form .login-message.success {
  background: #ecfdf5;
  color: #047857;
  border: 1px solid #6ee7b7;
}

.feedback-modal {
  max-width: 440px;
}

.feedback-form .form-group {
  margin-bottom: 14px;
}

.feedback-form label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text-secondary);
}

.feedback-form input,
.feedback-form textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.9rem;
  font-family: inherit;
  resize: vertical;
}

.feedback-form input:focus,
.feedback-form textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(79, 142, 247, 0.15);
}

.feedback-submit {
  width: 100%;
  margin-top: 6px;
  padding: 12px 16px;
  border: none;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-purple) 100%);
  color: white;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.feedback-submit:hover:not(:disabled) {
  filter: brightness(1.05);
}

.feedback-submit:disabled {
  opacity: 0.65;
  cursor: not-allowed;
}

.feedback-form .login-message {
  margin-bottom: 10px;
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 0.82rem;
}

.feedback-form .login-message.error {
  background: #fef2f2;
  color: #b91c1c;
  border: 1px solid #fecaca;
}

.btn-google {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  width: 100%;
  padding: 14px 20px;
  font-size: 0.98rem;
  font-weight: 600;
  font-family: var(--font);
  color: var(--text-primary);
  background: #fff;
  border: 1px solid #dadce0;
  border-radius: 980px;
  text-decoration: none;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.btn-google:hover {
  transform: translateY(-1px);
  border-color: #c6cacf;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
  background: #fafafa;
}

.btn-google svg {
  flex-shrink: 0;
}

.btn-microsoft {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  width: 100%;
  padding: 14px 20px;
  margin-top: 10px;
  font-size: 0.98rem;
  font-weight: 600;
  font-family: var(--font);
  color: var(--text-primary);
  background: #fff;
  border: 1px solid #8c8c8c;
  border-radius: 980px;
  text-decoration: none;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.btn-microsoft:hover {
  transform: translateY(-1px);
  border-color: #666;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
  background: #fafafa;
}

.btn-microsoft svg {
  flex-shrink: 0;
}

.dashboard-google-help {
  margin-top: 16px;
  padding: 12px 14px;
  border-radius: 10px;
  background: #fffbeb;
  border: 1px solid #fcd34d;
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.dashboard-google-help strong {
  display: block;
  margin-bottom: 6px;
  color: var(--text-primary);
}

.add-mailbox-hint {
  margin-top: 14px;
  font-size: 0.75rem;
  color: var(--text-muted);
  text-align: center;
  line-height: 1.5;
}

.add-mailbox-divider {
  margin: 20px 0 16px;
  color: var(--text-muted);
  font-size: 0.82rem;
}

.add-mailbox-divider::before,
.add-mailbox-divider::after {
  background: var(--border);
}

.form-hint-inline {
  margin-top: 6px;
  font-size: 0.72rem;
  color: var(--text-muted);
}

.mailbox-add-btn-limit {
  opacity: 0.55;
}

.mailbox-limit-warning {
  margin-bottom: 0;
}

.mailbox-limit-detail {
  margin-top: 10px;
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.mailbox-limit-actions {
  margin-top: 16px;
}

.mailbox-upgrade-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px 14px;
  border: none;
  border-radius: 10px;
  font-size: 0.88rem;
  font-weight: 600;
  font-family: inherit;
  text-decoration: none;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-purple) 100%);
  color: white;
  cursor: pointer;
  transition: filter 0.15s;
}

.mailbox-upgrade-btn:hover {
  filter: brightness(1.06);
}

.login-divider {
  display: flex;
  align-items: center;
  gap: 16px;
}

.login-divider::before,
.login-divider::after {
  content: '';
  flex: 1;
  height: 1px;
}

.sidebar-nav,
.sidebar-folders {
  padding: 14px 12px 18px;
  display: flex;
  flex-direction: column;
  gap: 3px;
  flex: 1;
}

/* User profile under nav */
.sidebar-user-block {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid var(--border-light);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.sidebar-user-section {
  display: flex;
  align-items: stretch;
  gap: 8px;
}

.sidebar-feedback-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  background: #fff;
  color: var(--text-secondary);
  font-family: var(--font);
  font-size: 0.84rem;
  font-weight: 600;
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s, background 0.2s, box-shadow 0.2s;
}

.sidebar-feedback-btn:hover {
  border-color: #c4b5fd;
  color: var(--accent-purple);
  background: #faf8ff;
  box-shadow: 0 2px 10px rgba(107, 92, 231, 0.1);
}

.sidebar-feedback-btn svg {
  opacity: 0.85;
}

.user-profile-card {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  padding: 10px 12px;
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  background: linear-gradient(135deg, #f8fbff 0%, #f5f3ff 100%);
  cursor: pointer;
  font-family: var(--font);
  text-align: left;
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.15s;
}

.user-profile-card:hover {
  border-color: #c4b5fd;
  box-shadow: 0 4px 14px rgba(107, 92, 231, 0.12);
  transform: translateY(-1px);
}

.user-profile-avatar-wrap {
  position: relative;
  flex-shrink: 0;
}

.account-notify-badge {
  position: absolute;
  top: -5px;
  right: -5px;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  border-radius: 999px;
  background: #dc2626;
  color: #fff;
  font-size: 0.62rem;
  font-weight: 800;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid #fff;
  box-shadow: 0 2px 8px rgba(220, 38, 38, 0.5);
  z-index: 2;
  pointer-events: none;
}

.account-notify-badge[hidden] {
  display: none !important;
}

.user-profile-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-purple) 100%);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(79, 142, 247, 0.35);
}

.user-profile-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.user-profile-name {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.user-profile-email {
  font-size: 0.68rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.user-profile-chevron {
  flex-shrink: 0;
  color: var(--text-muted);
  opacity: 0.6;
  transition: transform 0.2s, opacity 0.2s;
}

.user-profile-card:hover .user-profile-chevron {
  opacity: 1;
  color: var(--accent-purple);
  transform: translateX(2px);
}

.user-notify-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  flex-shrink: 0;
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  background: white;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s;
}

.user-notify-btn:hover {
  border-color: var(--accent);
  background: var(--accent-light);
  color: var(--accent);
}

.user-notify-btn.granted,
.user-notify-btn.is-active {
  border-color: #6ee7b7;
  background: #ecfdf5;
  color: var(--accent-teal);
}

.user-notify-btn.is-active:hover {
  border-color: #34d399;
  background: #d1fae5;
  color: #047857;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: background 0.15s, color 0.15s;
}

.nav-item:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.nav-item.active {
  background: linear-gradient(90deg, var(--accent-light) 0%, #f0ebff 100%);
  color: var(--accent-purple);
}

.nav-item .badge-group {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

.nav-item > .badge {
  margin-left: auto;
}

.nav-item .badge-new-indicator {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.55);
  animation: badge-dot-pulse 1.4s ease-in-out infinite;
  flex-shrink: 0;
}

.nav-item .badge-new-indicator[hidden] {
  display: none;
}

.nav-item .badge {
  margin-left: 0;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-purple) 100%);
  color: white;
  font-size: 0.7rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 10px;
  min-width: 22px;
  text-align: center;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.nav-item .badge.badge--has-new {
  animation: badge-count-pop 1.4s ease-in-out infinite;
  box-shadow: 0 0 0 2px rgba(34, 197, 94, 0.35);
}

@keyframes badge-dot-pulse {
  0%, 100% {
    transform: scale(1);
    box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.55);
  }
  50% {
    transform: scale(1.15);
    box-shadow: 0 0 0 6px rgba(34, 197, 94, 0);
  }
}

@keyframes badge-count-pop {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.08); }
}

.nav-item .badge-reminder {
  background: linear-gradient(135deg, var(--accent-purple) 0%, var(--accent-violet) 100%);
}

.nav-item .badge-done {
  background: linear-gradient(135deg, var(--accent-teal) 0%, #059669 100%);
}

/* Main */
.main {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
}

.topbar {
  display: flex;
  align-items: center;
  padding: 12px 24px;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.search-box {
  display: flex;
  align-items: center;
  gap: 10px;
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 8px 14px;
  flex: 1;
  max-width: 560px;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.search-box:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-light);
}

.search-box svg {
  color: var(--accent);
  flex-shrink: 0;
  opacity: 0.7;
}

.search-box input {
  border: none;
  background: transparent;
  font-family: var(--font);
  font-size: 0.9rem;
  color: var(--text-primary);
  width: 100%;
  outline: none;
}

.search-box input::placeholder {
  color: var(--text-muted);
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: none;
  background: transparent;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

.btn-icon:hover {
  background: var(--accent-light);
  color: var(--accent);
}

.btn-icon.granted {
  color: var(--accent-teal);
}

.avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-purple) 100%);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 600;
  box-shadow: 0 2px 8px rgba(79, 142, 247, 0.3);
}

.mailbox-auth-alert {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin: 16px 24px 0;
  padding: 14px 16px;
  border-radius: 12px;
  background: linear-gradient(135deg, #fff7ed 0%, #ffedd5 100%);
  border: 2px solid #f97316;
  box-shadow: 0 3px 12px rgba(249, 115, 22, 0.16);
}

.mailbox-auth-alert[hidden] {
  display: none !important;
}

.mailbox-auth-alert-icon {
  flex-shrink: 0;
  color: #ea580c;
  margin-top: 1px;
}

.mailbox-auth-alert-body {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.mailbox-auth-alert-title {
  margin: 0;
  font-size: 0.94rem;
  font-weight: 700;
  line-height: 1.45;
  color: #9a3412;
}

.mailbox-auth-alert-detail {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.5;
  color: #c2410c;
}

.mailbox-auth-alert-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.mailbox-auth-alert-link {
  padding: 0;
  border: none;
  background: none;
  color: #9a3412;
  font-size: 0.86rem;
  font-weight: 700;
  text-decoration: underline;
  cursor: pointer;
}

.mailbox-auth-alert-link:hover:not(:disabled) {
  color: #7c2d12;
}

.mailbox-auth-alert-btn {
  align-self: flex-start;
  padding: 9px 16px;
  border: none;
  border-radius: 999px;
  background: linear-gradient(135deg, #f97316 0%, #ea580c 100%);
  color: #fff;
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  box-shadow: 0 4px 14px rgba(234, 88, 12, 0.28);
}
}

.mailbox-auth-alert-btn:hover:not(:disabled) {
  transform: translateY(-1px);
}

.content-header {
  padding: 24px 24px 0;
  flex-shrink: 0;
}

.content-header-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.content-header h1 {
  font-size: 1.55rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.subtitle {
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin-top: 4px;
}

.email-usage-widget {
  min-width: 220px;
  max-width: 280px;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid #dbeafe;
  background: linear-gradient(180deg, #f8fbff 0%, #ffffff 100%);
  box-shadow: var(--shadow-sm);
}

.email-usage-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 8px;
}

.email-usage-label {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.email-usage-count {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--accent);
  white-space: nowrap;
}

.email-usage-track {
  height: 8px;
  border-radius: 999px;
  background: #e8edf4;
  overflow: hidden;
}

.email-usage-fill {
  height: 100%;
  width: 0;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent) 0%, var(--accent-purple) 100%);
  transition: width 0.35s ease;
}

.email-usage-fill-warning {
  background: linear-gradient(90deg, #f59e0b 0%, #f97316 100%);
}

.email-usage-fill-blocked {
  background: linear-gradient(90deg, #ef4444 0%, #dc2626 100%);
}

.email-usage-notice {
  margin-top: 8px;
  font-size: 0.78rem;
  line-height: 1.4;
  color: var(--text-secondary);
}

.email-usage-warning {
  border-color: #fcd34d;
  background: linear-gradient(180deg, #fffbeb 0%, #ffffff 100%);
}

.email-usage-warning .email-usage-count {
  color: #b45309;
}

.email-usage-blocked {
  border-color: #fca5a5;
  background: linear-gradient(180deg, #fef2f2 0%, #ffffff 100%);
}

.email-usage-blocked .email-usage-count {
  color: #b91c1c;
}

.email-usage-blocked .email-usage-notice {
  color: #b91c1c;
  font-weight: 600;
}

/* Filter */
.filter-bar {
  display: flex;
  gap: 8px;
  padding: 16px 24px;
  flex-wrap: wrap;
  flex-shrink: 0;
}

.filter-chip {
  padding: 7px 16px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: white;
  font-family: var(--font);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.15s;
}

.filter-chip:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
  border-color: var(--accent);
}

.filter-chip.active {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-purple) 100%);
  border-color: transparent;
  color: white;
  box-shadow: 0 2px 8px rgba(79, 142, 247, 0.3);
}

/* Email list */
.email-list {
  flex: 1;
  min-height: 0;
  padding: 0 20px 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  overflow-y: auto;
  overscroll-behavior: contain;
}

.email-card {
  flex-shrink: 0;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: 8px;
  padding: 11px 13px 10px;
  transition: box-shadow 0.15s, border-color 0.15s;
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.email-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--card-accent, var(--accent)) 0%, transparent 100%);
  opacity: 0.6;
}

.email-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--border);
}

.email-card.unread {
  border-left: 3px solid var(--unread-dot);
  padding-left: 10px;
  background: linear-gradient(90deg, #f8fbff 0%, white 10%);
}

.email-card.unread .sender-name {
  font-weight: 600;
}

.email-card.is-new-arrival {
  border-color: #86efac;
  border-left: 4px solid #22c55e;
  padding-left: 9px;
  background: linear-gradient(90deg, #ecfdf5 0%, #fefce8 28%, #ffffff 72%);
  box-shadow: 0 2px 12px rgba(34, 197, 94, 0.14);
}

.email-card.is-new-arrival::before {
  background: linear-gradient(90deg, #22c55e 0%, #eab308 55%, transparent 100%);
  opacity: 1;
  height: 4px;
}

.email-new-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-left: 6px;
  padding: 1px 7px;
  border-radius: 999px;
  font-size: 0.58rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: #14532d;
  background: linear-gradient(135deg, #bbf7d0 0%, #fef08a 100%);
  border: 1px solid #86efac;
  box-shadow: 0 1px 4px rgba(34, 197, 94, 0.25);
  vertical-align: middle;
  flex-shrink: 0;
}

.email-card.is-reminder-return {
  border-color: #c4b5fd;
  border-left: 4px solid var(--reminder);
  padding-left: 9px;
  background: linear-gradient(90deg, var(--reminder-light) 0%, #ffffff 72%);
  box-shadow: 0 2px 12px rgba(107, 92, 231, 0.12);
}

.email-card.is-reminder-return::before {
  background: linear-gradient(90deg, var(--reminder) 0%, #a78bfa 55%, transparent 100%);
  opacity: 1;
  height: 4px;
}

.email-reminder-return-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-left: 6px;
  padding: 1px 7px;
  border-radius: 999px;
  font-size: 0.58rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: #4c1d95;
  background: linear-gradient(135deg, #ede9fe 0%, #ddd6fe 100%);
  border: 1px solid #c4b5fd;
  box-shadow: 0 1px 4px rgba(107, 92, 231, 0.2);
  vertical-align: middle;
  flex-shrink: 0;
}

.email-attachment-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-left: 6px;
  padding: 2px 9px;
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.25;
  color: #0c4a6e;
  background: #bae6fd;
  border: 1px solid #38bdf8;
  box-shadow: 0 1px 3px rgba(14, 165, 233, 0.2);
  vertical-align: middle;
  flex-shrink: 0;
  white-space: nowrap;
}

.email-card.snoozed {
  opacity: 0.72;
  border-style: dashed;
  border-color: var(--reminder);
  background: linear-gradient(90deg, #faf8ff 0%, white 20%);
}

.email-card.done {
  opacity: 0.85;
  background: linear-gradient(90deg, #f0fdf9 0%, white 15%);
  border-color: #a7f3d0;
}

.email-card.done .email-subject,
.email-card.done .sender-name {
  color: var(--text-muted);
  text-decoration: line-through;
  text-decoration-color: rgba(138, 149, 168, 0.5);
}

.email-card.done .email-summary {
  opacity: 0.75;
}

.email-card.reminder-due {
  animation: pulse-reminder 1.5s ease-in-out 3;
  border-color: var(--reminder);
  box-shadow: 0 0 0 3px var(--reminder-light);
}

@keyframes pulse-reminder {
  0%, 100% { box-shadow: 0 0 0 3px var(--reminder-light); }
  50% { box-shadow: 0 0 0 6px rgba(107, 92, 231, 0.25); }
}

.email-card-top {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 6px;
}

.email-meta {
  flex: 1;
  min-width: 0;
}

.email-meta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 2px;
}

.sender-avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 600;
  color: white;
  flex-shrink: 0;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.1);
}

.sender-name {
  display: inline-flex;
  align-items: center;
  flex-wrap: nowrap;
  gap: 2px;
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--text-primary);
  min-width: 0;
  max-width: 100%;
}

.sender-name-text {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  min-width: 0;
}

.email-time {
  font-size: 0.7rem;
  color: var(--text-muted);
  flex-shrink: 0;
  white-space: nowrap;
}

.email-subject {
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.35;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.email-summary {
  font-size: 0.81rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin: 0 0 8px;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.email-card-bottom {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-top: 8px;
  border-top: 1px solid var(--border-light);
}

.email-tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 8px;
  width: 100%;
}

.keyword-tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 11px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
  border: 1px solid;
  letter-spacing: 0.01em;
  white-space: nowrap;
  line-height: 1.3;
}

.email-actions {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: flex-end;
  gap: 6px;
  flex-shrink: 0;
  flex-wrap: wrap;
}

.email-detail-overlay {
  position: fixed;
  inset: 0;
  z-index: 4000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: rgba(15, 23, 42, 0.45);
  backdrop-filter: blur(4px);
}

.email-detail-overlay[hidden] {
  display: none !important;
}

.email-detail-dialog {
  width: min(1080px, calc(100vw - 32px));
  height: min(76vh, 640px);
  max-height: min(76vh, 640px);
  display: flex;
  flex-direction: column;
  background: #fff;
  border-radius: 18px;
  border: 1px solid var(--border-light);
  box-shadow: 0 24px 60px rgba(30, 50, 90, 0.22);
  overflow: hidden;
}

.email-detail-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 18px;
  border-bottom: 1px solid var(--border-light);
  background: linear-gradient(180deg, #f8fbff 0%, #fff 100%);
  flex-shrink: 0;
}

.email-detail-toolbar-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: auto;
}

.email-detail-more-wrap {
  position: relative;
}

.email-detail-more-btn {
  padding: 9px 14px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: #fff;
  color: var(--text-primary);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}

.email-detail-more-btn:hover:not(:disabled) {
  background: #f8fafc;
  border-color: #cbd5e1;
  box-shadow: 0 2px 8px rgba(30, 50, 90, 0.08);
}

.email-detail-more-btn:disabled {
  opacity: 0.65;
  cursor: not-allowed;
}

.email-detail-more-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 210px;
  padding: 6px;
  border: 1px solid var(--border-light);
  border-radius: 12px;
  background: #fff;
  box-shadow: 0 12px 32px rgba(30, 50, 90, 0.14);
  z-index: 5;
}

.email-detail-more-menu[hidden] {
  display: none;
}

.email-detail-more-item {
  display: block;
  width: 100%;
  padding: 10px 12px;
  border: none;
  border-radius: 8px;
  background: transparent;
  color: var(--text-primary);
  font-family: var(--font);
  font-size: 0.88rem;
  font-weight: 500;
  text-align: left;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}

.email-detail-more-item:hover {
  background: #f1f5f9;
}

.email-detail-more-item[hidden] {
  display: none;
}

.email-detail-more-item-stacked {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
}

.email-detail-more-item-hint {
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--text-muted);
  line-height: 1.3;
}

.email-detail-close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border: 1px solid var(--border-light);
  border-radius: 10px;
  background: #fff;
  color: var(--text-secondary);
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}

.email-detail-close:hover {
  background: #f8fafc;
  border-color: #cbd5e1;
  color: var(--text-primary);
}

.email-detail-header {
  padding: 16px 22px 12px;
  border-bottom: 1px solid var(--border-light);
  flex-shrink: 0;
}

.email-detail-subject {
  margin: 0 0 12px;
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.35;
  color: var(--text-primary);
}

.email-detail-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 16px;
}

.email-detail-from {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.email-detail-from-label {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
}

#email-detail-from {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-primary);
}

.email-detail-date {
  font-size: 0.82rem;
  color: var(--text-muted);
  white-space: nowrap;
}

.email-detail-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 12px;
}

.email-detail-attachment-info {
  margin: 10px 0 0;
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 0.85rem;
  color: #1e3a5f;
  background: #e0f2fe;
  border: 1px solid #7dd3fc;
}

.email-detail-attachment-info[hidden] {
  display: none;
}

.email-detail-body-wrap {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding: 16px 22px 20px;
  background: #fcfdff;
}

.email-detail-body-wrap::before {
  content: 'E-Mail-Inhalt';
  display: block;
  margin-bottom: 10px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.email-detail-loading {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.email-detail-body {
  font-size: 0.92rem;
  line-height: 1.65;
  color: var(--text-primary);
  white-space: pre-wrap;
  word-break: break-word;
}

.email-detail-body-empty {
  margin: 0;
  padding: 12px 14px;
  border-radius: 10px;
  background: #f8fafc;
  border: 1px solid var(--border-light);
  color: var(--text-secondary);
  font-size: 0.88rem;
  line-height: 1.5;
}

.email-detail-summary-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border: 1px solid #c4b5fd;
  border-radius: 999px;
  background: #f5f3ff;
  color: #6d28d9;
  font-size: 0.84rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
  flex-shrink: 0;
}

.email-detail-summary-toggle[hidden] {
  display: none !important;
}

.email-detail-summary-toggle:hover {
  background: #ede9fe;
  border-color: #a78bfa;
}

.email-detail-summary-panel {
  flex-shrink: 0;
  padding: 14px 22px;
  background: linear-gradient(180deg, #f5f3ff 0%, #faf8ff 100%);
  border-bottom: 1px solid #ddd6fe;
  max-height: min(28vh, 220px);
  overflow-y: auto;
}

.email-detail-summary-panel[hidden] {
  display: none !important;
}

.email-detail-summary-label {
  margin: 0 0 8px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #6d28d9;
}

.email-detail-summary-content {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.88rem;
  line-height: 1.55;
  white-space: pre-wrap;
}

.email-detail-dialog.is-summary-open .email-detail-body-wrap {
  flex: 1;
}

@media (max-width: 720px) {
  .email-detail-overlay {
    padding: 10px;
  }

  .email-detail-dialog {
    width: calc(100vw - 16px);
    height: min(92vh, 900px);
    max-height: 92vh;
    border-radius: 14px;
  }

  .email-detail-toolbar {
    flex-wrap: wrap;
  }

  .email-detail-summary-toggle {
    width: 100%;
    justify-content: center;
  }

  .email-detail-toolbar-actions {
    width: 100%;
    justify-content: flex-end;
  }
}

.btn-important {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 5px 11px;
  border: 1px solid #fdba74;
  border-radius: 16px;
  background: #fff7ed;
  color: var(--important);
  font-family: var(--font);
  font-size: 0.72rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
}

.btn-important:hover,
.btn-important.is-active {
  background: var(--important);
  border-color: var(--important);
  color: white;
  box-shadow: 0 2px 8px rgba(232, 93, 58, 0.28);
}

.btn-important svg {
  flex-shrink: 0;
}

.btn-done {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 5px 11px;
  border: 1px solid #6ee7b7;
  border-radius: 16px;
  background: #d1fae5;
  color: #047857;
  font-family: var(--font);
  font-size: 0.72rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
}

.btn-done:hover {
  background: var(--accent-teal);
  border-color: var(--accent-teal);
  color: white;
  box-shadow: 0 2px 8px rgba(0, 180, 160, 0.3);
}

.btn-done svg {
  flex-shrink: 0;
}

.btn-later {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 5px 11px;
  border: 1px solid var(--reminder);
  border-radius: 16px;
  background: var(--reminder-light);
  color: var(--reminder);
  font-family: var(--font);
  font-size: 0.72rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
}

.btn-later:hover {
  background: var(--reminder);
  color: white;
  box-shadow: 0 2px 8px rgba(107, 92, 231, 0.3);
}

.btn-later svg {
  flex-shrink: 0;
}

.btn-cancel-reminder {
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: white;
  color: var(--text-secondary);
  font-family: var(--font);
  font-size: 0.75rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
}

.btn-cancel-reminder:hover {
  border-color: var(--accent-coral);
  color: var(--accent-coral);
  background: #fff5f5;
}

.btn-restore {
  padding: 7px 14px;
  border: 1px solid var(--accent-teal);
  border-radius: 20px;
  background: #d1fae5;
  color: #047857;
  font-family: var(--font);
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
}

.btn-restore:hover {
  background: var(--accent-teal);
  color: white;
}

.reminder-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  background: linear-gradient(135deg, #ede9fe 0%, #e0e7ff 100%);
  border: 1px solid #c4b5fd;
  border-radius: 12px;
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--reminder);
  margin-bottom: 6px;
}

.reminder-badge svg {
  flex-shrink: 0;
}

.reminder-mailbox-source {
  display: inline-flex;
  align-items: center;
  margin-bottom: 6px;
  padding: 2px 8px;
  border-radius: 999px;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--text-secondary);
}

/* Prominent reminder notification (top center, above chat) */
.reminder-notification-stack {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3600;
  width: min(620px, calc(100vw - 32px));
  display: flex;
  flex-direction: column;
  gap: 12px;
  pointer-events: none;
}

.reminder-notification {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 18px;
  align-items: start;
  padding: 22px 24px;
  border-radius: 18px;
  border: 2px solid #a78bfa;
  background: linear-gradient(135deg, #faf5ff 0%, #ffffff 55%, #eef2ff 100%);
  box-shadow:
    0 24px 60px rgba(107, 92, 231, 0.28),
    0 0 0 1px rgba(167, 139, 250, 0.15);
  pointer-events: auto;
  animation: reminder-notif-in 0.45s cubic-bezier(0.22, 1, 0.36, 1);
}

.reminder-notification::before {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 20px;
  background: linear-gradient(135deg, rgba(167, 139, 250, 0.45), rgba(79, 142, 247, 0.25));
  z-index: -1;
  filter: blur(8px);
  opacity: 0.7;
}

@keyframes reminder-notif-in {
  from {
    opacity: 0;
    transform: translateY(-18px) scale(0.96);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.reminder-notification-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: linear-gradient(135deg, #7c3aed 0%, #4f8ef7 100%);
  color: white;
  box-shadow: 0 8px 20px rgba(124, 58, 237, 0.35);
  flex-shrink: 0;
}

.reminder-notification-kicker {
  display: inline-flex;
  align-items: center;
  margin-bottom: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(124, 58, 237, 0.1);
  border: 1px solid rgba(124, 58, 237, 0.2);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: #6d28d9;
  word-break: break-all;
}

.reminder-notification-title {
  display: block;
  font-size: 1.15rem;
  font-weight: 800;
  line-height: 1.35;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.reminder-notification-text {
  margin: 0 0 14px;
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--text-secondary);
}

.reminder-notification-action {
  padding: 10px 18px;
  border: none;
  border-radius: 999px;
  background: linear-gradient(135deg, #6b5ce7 0%, #4f8ef7 100%);
  color: white;
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 6px 16px rgba(107, 92, 231, 0.35);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.reminder-notification-action:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(107, 92, 231, 0.42);
}

.reminder-notification-close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: none;
  border-radius: 50%;
  background: rgba(15, 23, 42, 0.06);
  color: var(--text-muted);
  cursor: pointer;
  flex-shrink: 0;
  transition: background 0.15s ease, color 0.15s ease;
}

.reminder-notification-close:hover {
  background: rgba(15, 23, 42, 0.1);
  color: var(--text-primary);
}

.cross-mailbox-reminders {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 16px;
}

.cross-mailbox-reminder-alert {
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  gap: 14px;
  align-items: center;
  padding: 18px 20px;
  border-radius: 14px;
  border: 2px solid #c4b5fd;
  background: linear-gradient(135deg, #faf5ff 0%, #eef2ff 100%);
  box-shadow: var(--shadow-md);
}

.cross-mailbox-reminder-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: white;
  color: var(--reminder);
}

.cross-mailbox-reminder-body strong {
  display: block;
  font-size: 0.88rem;
  margin-bottom: 2px;
  color: var(--text-primary);
}

.cross-mailbox-reminder-body p {
  margin: 0;
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.45;
}

.cross-mailbox-reminder-open {
  padding: 8px 12px;
  border: none;
  border-radius: 999px;
  background: var(--accent);
  color: white;
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
}

.cross-mailbox-reminder-open:hover {
  filter: brightness(1.05);
}

.cross-mailbox-reminder-dismiss {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: none;
  border-radius: 50%;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
}

.cross-mailbox-reminder-dismiss:hover {
  background: rgba(0, 0, 0, 0.05);
  color: var(--text-primary);
}

.important-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--important);
  margin-left: 8px;
}

.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--text-muted);
}

.empty-state svg {
  margin-bottom: 12px;
  opacity: 0.4;
}

/* Reminder popover */
.reminder-popover-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(15, 23, 42, 0.35);
  backdrop-filter: blur(2px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.reminder-popover-overlay[hidden] {
  display: none;
}

.reminder-popover {
  position: relative;
  width: 100%;
  max-width: 400px;
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 22px 20px;
  box-shadow: var(--shadow-lg);
}

.reminder-popover::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  border-radius: var(--radius) var(--radius) 0 0;
  background: linear-gradient(90deg, var(--accent) 0%, var(--accent-purple) 50%, var(--accent-violet) 100%);
}

.reminder-popover-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

.reminder-popover-heading {
  flex: 1;
  min-width: 0;
}

.reminder-popover-close {
  flex-shrink: 0;
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-light);
  border-radius: 10px;
  background: white;
  color: var(--text-muted);
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.reminder-popover-close:hover {
  background: var(--bg-hover);
  border-color: var(--border);
  color: var(--text-primary);
}

.popover-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.popover-subject {
  font-size: 0.86rem;
  color: var(--text-secondary);
  margin-bottom: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.reminder-options {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 16px;
}

.reminder-option {
  padding: 12px 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: white;
  font-family: var(--font);
  font-size: 0.86rem;
  font-weight: 500;
  color: var(--text-primary);
  cursor: pointer;
  transition: all 0.15s;
  text-align: center;
}

.reminder-option:hover {
  border-color: var(--reminder);
  background: var(--reminder-light);
  color: var(--reminder);
}

.custom-time-panel {
  padding-top: 16px;
  border-top: 1px solid var(--border-light);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.custom-time-panel label {
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.custom-time-panel input {
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-size: 0.92rem;
  color: var(--text-primary);
  outline: none;
}

.custom-time-panel input:focus {
  border-color: var(--reminder);
  box-shadow: 0 0 0 3px var(--reminder-light);
}

.custom-time-panel .btn-primary {
  width: 100%;
  padding: 12px 16px;
  font-size: 0.9rem;
}

.btn-primary {
  padding: 10px 16px;
  border: none;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--accent-purple) 0%, var(--accent-violet) 100%);
  color: white;
  font-family: var(--font);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.15s, transform 0.1s;
}

.btn-primary:hover {
  opacity: 0.92;
  transform: translateY(-1px);
}

/* Toast */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 18px;
  background: white;
  border: 1px solid var(--border);
  border-left: 4px solid var(--reminder);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  max-width: 380px;
  pointer-events: auto;
  animation: toast-in 0.35s ease;
}

@keyframes toast-in {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}

.toast-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-purple) 0%, var(--accent-violet) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: white;
}

.toast-body strong {
  display: block;
  font-size: 0.88rem;
  margin-bottom: 2px;
}

.toast-body p {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.toast-close {
  margin-left: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: none;
  border: none;
  border-radius: 50%;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0;
  transition: background 0.15s, color 0.15s;
}

.toast-close:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

/* Account modal */
.account-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 3000;
  background: rgba(15, 23, 42, 0.45);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  animation: fade-in 0.2s ease;
}

.account-modal-overlay[hidden] {
  display: none;
}

@keyframes fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

.account-modal {
  width: 100%;
  max-width: 400px;
  background: white;
  border-radius: 16px;
  padding: 28px;
  box-shadow: var(--shadow-lg);
  position: relative;
  animation: modal-in 0.25s ease;
}

@keyframes modal-in {
  from { opacity: 0; transform: scale(0.96) translateY(8px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.account-modal-header {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 22px;
  padding-right: 28px;
}

.account-modal-avatar {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-purple) 100%);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 700;
  flex-shrink: 0;
  box-shadow: 0 4px 14px rgba(79, 142, 247, 0.35);
}

.account-modal-name {
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 2px;
}

.account-modal-email {
  font-size: 0.82rem;
  color: var(--text-muted);
  word-break: break-all;
}

.add-mailbox-lead {
  word-break: normal;
  overflow-wrap: break-word;
  line-height: 1.45;
}

.account-modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: 50%;
  background: var(--bg-hover);
  color: var(--text-secondary);
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

.account-modal-close:hover {
  background: #fee2e2;
  color: #b91c1c;
}

.account-plan-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  border-radius: 12px;
  background: linear-gradient(135deg, #eef2ff 0%, #ede9fe 50%, #f5f3ff 100%);
  border: 1px solid #c4b5fd;
  margin-bottom: 18px;
}

.account-plan-card[data-plan="basic"] {
  background: linear-gradient(135deg, #ecfdf5 0%, #d1fae5 100%);
  border-color: #6ee7b7;
}

.account-plan-card[data-plan="business"] {
  background: linear-gradient(135deg, #fff7ed 0%, #ffedd5 100%);
  border-color: #fdba74;
}

.account-plan-badge {
  padding: 6px 10px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent-purple) 0%, var(--accent-violet) 100%);
  color: white;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  flex-shrink: 0;
}

.account-plan-card[data-plan="basic"] .account-plan-badge {
  background: linear-gradient(135deg, #059669 0%, var(--accent-teal) 100%);
}

.account-plan-card[data-plan="business"] .account-plan-badge {
  background: linear-gradient(135deg, #ea580c 0%, var(--accent-amber) 100%);
}

.account-plan-details {
  flex: 1;
  min-width: 0;
}

.account-plan-label {
  display: block;
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 2px;
}

.account-plan-details strong {
  display: block;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
}

.account-plan-details p {
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-top: 2px;
}

.account-plan-price {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--accent-purple);
  letter-spacing: -0.03em;
  flex-shrink: 0;
}

.account-plan-card[data-plan="basic"] .account-plan-price {
  color: #047857;
}

.account-plan-card[data-plan="business"] .account-plan-price {
  color: #c2410c;
}

.account-plan-price span {
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--text-muted);
}

.account-features-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.account-features-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.account-features-list svg {
  flex-shrink: 0;
  color: var(--accent-teal);
}

.account-upgrade-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  margin-top: 20px;
  padding: 12px 16px;
  border: none;
  border-radius: 10px;
  font-size: 0.9rem;
  font-weight: 600;
  font-family: inherit;
  text-decoration: none;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-purple) 100%);
  color: white;
  box-shadow: 0 4px 14px rgba(79, 142, 247, 0.3);
  transition: filter 0.15s, transform 0.15s;
  cursor: pointer;
}

.account-upgrade-btn:hover {
  filter: brightness(1.06);
  transform: translateY(-1px);
}

.account-imap-password-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  margin-top: 10px;
  padding: 12px 16px;
  border: 1px solid #fdba74;
  border-radius: 10px;
  background: #fff7ed;
  color: #c2410c;
  font-size: 0.9rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.15s, transform 0.15s;
}

.account-imap-password-btn:hover {
  background: #ffedd5;
  transform: translateY(-1px);
}

.account-downgrade-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  margin-top: 10px;
  padding: 12px 16px;
  border: 1px solid #dbeafe;
  border-radius: 10px;
  background: #f8fafc;
  color: #334155;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}

.account-downgrade-btn:hover:not(:disabled) {
  background: #eff6ff;
  border-color: #93c5fd;
}

.account-downgrade-btn:disabled {
  opacity: 0.65;
  cursor: not-allowed;
}

.account-downgrade-hint {
  margin: 10px 0 0;
  font-size: 0.82rem;
  line-height: 1.45;
  color: #64748b;
  text-align: center;
}

.account-subscription-status {
  margin: 0 0 18px;
  padding: 13px 16px;
  border-radius: 12px;
  font-size: 0.88rem;
  line-height: 1.5;
  text-align: center;
}

.account-subscription-status[hidden] {
  display: none !important;
}

.account-subscription-status.is-trial {
  background: linear-gradient(135deg, #d1fae5 0%, #6ee7b7 100%);
  border: 2px solid #059669;
  color: #064e3b;
  font-weight: 600;
  box-shadow: 0 2px 10px rgba(5, 150, 105, 0.18);
}

.account-subscription-status.is-trial-warning {
  background: linear-gradient(135deg, #fff7ed 0%, #fed7aa 100%);
  border: 2px solid #ea580c;
  color: #9a3412;
  font-weight: 600;
  box-shadow: 0 2px 10px rgba(234, 88, 12, 0.15);
}

.account-subscription-status.is-cancelled {
  background: #fff7ed;
  border: 1px solid #fed7aa;
  color: #9a3412;
}

.account-end-warning {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin: 0 0 18px;
  padding: 14px 16px;
  border-radius: 12px;
  background: linear-gradient(135deg, #fef2f2 0%, #fecaca 100%);
  border: 2px solid #dc2626;
  box-shadow: 0 3px 12px rgba(220, 38, 38, 0.18);
}

.account-end-warning[hidden] {
  display: none !important;
}

.account-end-warning-icon {
  flex-shrink: 0;
  color: #dc2626;
  margin-top: 1px;
}

.account-end-warning-body {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.account-end-warning-title {
  margin: 0;
  font-size: 0.92rem;
  font-weight: 700;
  line-height: 1.45;
  color: #991b1b;
}

.account-end-warning-btn {
  align-self: flex-start;
  padding: 9px 16px;
  border: none;
  border-radius: 999px;
  background: #dc2626;
  color: #fff;
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.15s ease, transform 0.15s ease;
}

.account-end-warning-btn:hover:not(:disabled) {
  background: #b91c1c;
  transform: translateY(-1px);
}

.account-end-warning-btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.account-cancel-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  margin-top: 10px;
  padding: 12px 16px;
  border: 1px solid #fecaca;
  border-radius: 10px;
  background: #fff;
  color: #b91c1c;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}

.account-cancel-btn:hover:not(:disabled) {
  background: #fef2f2;
  border-color: #fca5a5;
}

.account-cancel-btn:disabled {
  opacity: 0.65;
  cursor: not-allowed;
}

.account-cancel-confirm {
  margin-top: 16px;
}

.cancel-subscription-confirm-btn {
  background: #b91c1c;
  border-color: #b91c1c;
}

.cancel-subscription-confirm-btn:hover:not(:disabled) {
  background: #991b1b;
  border-color: #991b1b;
}

/* Plans modal (Abo wählen) */
.plans-modal {
  max-width: 760px;
  padding: 32px 34px 28px;
  background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
  border: 1px solid rgba(79, 142, 247, 0.12);
  box-shadow: 0 20px 50px rgba(79, 142, 247, 0.18), 0 8px 24px rgba(30, 50, 90, 0.12);
}

.plans-modal-header {
  margin-bottom: 24px;
  padding-right: 36px;
}

.plans-modal-header .account-modal-name {
  font-size: 1.45rem;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-purple) 55%, var(--accent-violet) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.plans-modal-header .account-modal-email {
  font-size: 0.92rem;
  line-height: 1.5;
  margin-top: 4px;
}

.plans-modal-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.plans-modal-tier {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 10px;
  padding: 22px 16px 18px;
  border: 1.5px solid var(--border);
  border-radius: 16px;
  background: #ffffff;
  text-align: center;
  overflow: hidden;
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease, background 0.22s ease;
}

.plans-modal-tier::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  opacity: 0.85;
  transition: height 0.22s ease, opacity 0.22s ease;
}

.plans-modal-tier[data-plan="basic"]::before {
  background: linear-gradient(90deg, #34d399, #6ee7b7);
}

.plans-modal-tier[data-plan="pro"]::before {
  background: linear-gradient(90deg, var(--accent), var(--accent-purple));
}

.plans-modal-tier[data-plan="business"]::before {
  background: linear-gradient(90deg, #a78bfa, #f59e0b);
}

.plans-modal-tier[data-plan="basic"] {
  border-color: #bbf7d0;
  background: linear-gradient(180deg, #ecfdf5 0%, #ffffff 72%);
}

.plans-modal-tier[data-plan="pro"] {
  border-color: #bfdbfe;
  background: linear-gradient(180deg, #eff6ff 0%, #ffffff 72%);
}

.plans-modal-tier[data-plan="business"] {
  border-color: #ddd6fe;
  background: linear-gradient(180deg, #f5f3ff 0%, #ffffff 72%);
}

.plans-modal-tier-upgrade:hover {
  transform: translateY(-4px);
}

.plans-modal-tier[data-plan="basic"].plans-modal-tier-upgrade:hover {
  border-color: #34d399;
  box-shadow: 0 12px 28px rgba(16, 185, 129, 0.22);
}

.plans-modal-tier[data-plan="pro"].plans-modal-tier-upgrade:hover {
  border-color: #60a5fa;
  box-shadow: 0 12px 28px rgba(79, 142, 247, 0.24);
}

.plans-modal-tier[data-plan="business"].plans-modal-tier-upgrade:hover {
  border-color: #a78bfa;
  box-shadow: 0 12px 28px rgba(139, 92, 246, 0.24);
}

.plans-modal-tier-upgrade:hover::before {
  height: 5px;
  opacity: 1;
}

.plans-modal-tier-highlight {
  border-color: #60a5fa;
  background: linear-gradient(180deg, #dbeafe 0%, #f0f7ff 45%, #ffffff 100%);
  box-shadow: 0 0 0 1px rgba(79, 142, 247, 0.12), 0 8px 20px rgba(79, 142, 247, 0.14);
}

.plans-modal-tier-highlight.plans-modal-tier-upgrade:hover {
  box-shadow: 0 14px 32px rgba(79, 142, 247, 0.28), 0 0 0 2px rgba(96, 165, 250, 0.35);
}

.plans-modal-tier-current {
  border-color: #818cf8;
  background: linear-gradient(180deg, #eef2ff 0%, #f5f3ff 100%);
  box-shadow: inset 0 0 0 1px rgba(99, 102, 241, 0.15);
}

.plans-modal-tier-disabled {
  opacity: 0.78;
  background: #f1f5f9;
  filter: grayscale(0.15);
}

.plans-modal-tier-disabled:hover {
  transform: none;
  box-shadow: none;
}

.plans-modal-tier-badge {
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%);
  padding: 4px 12px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-purple) 100%);
  color: white;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  white-space: nowrap;
  box-shadow: 0 4px 12px rgba(79, 142, 247, 0.35);
}

.plans-modal-tier-name {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  align-self: center;
  margin-top: 4px;
  padding: 5px 14px;
  border-radius: 999px;
  font-size: 0.92rem;
  font-weight: 700;
}

.plans-modal-tier[data-plan="basic"] .plans-modal-tier-name {
  color: #047857;
  background: rgba(16, 185, 129, 0.12);
}

.plans-modal-tier[data-plan="pro"] .plans-modal-tier-name {
  color: #1d4ed8;
  background: rgba(79, 142, 247, 0.12);
}

.plans-modal-tier[data-plan="business"] .plans-modal-tier-name {
  color: #6d28d9;
  background: rgba(139, 92, 246, 0.12);
}

.plans-modal-tier-price {
  font-size: 1.55rem;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.plans-modal-tier[data-plan="basic"] .plans-modal-tier-price {
  color: #059669;
}

.plans-modal-tier[data-plan="pro"] .plans-modal-tier-price {
  color: #2563eb;
}

.plans-modal-tier[data-plan="business"] .plans-modal-tier-price {
  color: #7c3aed;
}

.plans-modal-tier-price small {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
}

.plans-modal-tier-meta {
  flex: 1;
  margin: 0;
  font-size: 0.82rem;
  line-height: 1.45;
  color: var(--text-secondary);
}

.plans-modal-tier-btn {
  width: 100%;
  margin-top: 6px;
  padding: 12px 10px;
  border: 1.5px solid transparent;
  border-radius: 999px;
  background: white;
  color: var(--text);
  font-size: 0.88rem;
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
  transition: transform 0.18s ease, background 0.18s ease, border-color 0.18s ease, color 0.18s ease, box-shadow 0.18s ease;
}

.plans-modal-tier[data-plan="basic"] .plans-modal-tier-btn:not(:disabled) {
  border-color: #6ee7b7;
  color: #047857;
  background: rgba(255, 255, 255, 0.9);
}

.plans-modal-tier[data-plan="pro"] .plans-modal-tier-btn:not(:disabled) {
  border-color: #93c5fd;
  color: #1d4ed8;
  background: rgba(255, 255, 255, 0.9);
}

.plans-modal-tier[data-plan="business"] .plans-modal-tier-btn:not(:disabled) {
  border-color: #c4b5fd;
  color: #6d28d9;
  background: rgba(255, 255, 255, 0.9);
}

.plans-modal-tier-btn-primary {
  border-color: transparent !important;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-purple) 100%) !important;
  color: white !important;
  box-shadow: 0 4px 14px rgba(79, 142, 247, 0.35);
}

.plans-modal-tier[data-plan="basic"] .plans-modal-tier-btn:hover:not(:disabled) {
  background: #d1fae5;
  border-color: #34d399;
  color: #065f46;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.2);
}

.plans-modal-tier[data-plan="pro"] .plans-modal-tier-btn:hover:not(:disabled) {
  background: #dbeafe;
  border-color: #3b82f6;
  color: #1e40af;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.22);
}

.plans-modal-tier[data-plan="business"] .plans-modal-tier-btn:hover:not(:disabled) {
  background: #ede9fe;
  border-color: #8b5cf6;
  color: #5b21b6;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(139, 92, 246, 0.22);
}

.plans-modal-tier-btn-primary:hover:not(:disabled) {
  color: white !important;
  filter: brightness(1.07);
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 8px 20px rgba(79, 142, 247, 0.4);
}

.plans-modal-tier-btn:disabled {
  cursor: default;
  opacity: 0.9;
  transform: none;
  box-shadow: none;
}

.plans-modal-tier-current .plans-modal-tier-btn:disabled {
  background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
  border-color: transparent;
  color: white;
  opacity: 1;
}

.plans-modal-tier-disabled .plans-modal-tier-btn:disabled {
  background: #e2e8f0;
  border-color: #cbd5e1;
  color: #94a3b8;
  opacity: 1;
}

.plans-modal-note {
  margin: 20px 0 0;
  padding-top: 14px;
  border-top: 1px solid rgba(79, 142, 247, 0.1);
  font-size: 0.84rem;
  line-height: 1.45;
  color: var(--text-muted);
  text-align: center;
}

#plans-modal .account-modal-close {
  top: 24px;
  right: 24px;
  width: 40px;
  height: 40px;
  transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

#plans-modal .account-modal-close:hover {
  background: linear-gradient(135deg, #fee2e2 0%, #fecaca 100%);
  color: #b91c1c;
  transform: rotate(90deg);
}

@media (max-width: 680px) {
  .plans-modal {
    max-width: 100%;
    padding: 26px 22px 22px;
  }

  .plans-modal-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .plans-modal-tier-badge {
    position: static;
    transform: none;
    align-self: center;
    margin-bottom: 4px;
  }

  .plans-modal-tier-upgrade:hover {
    transform: translateY(-2px);
  }
}

.account-logout-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  margin-top: 10px;
  padding: 12px 16px;
  border: 1px solid #fecaca;
  border-radius: 10px;
  background: #fff5f5;
  color: #b91c1c;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}

.account-logout-btn:hover {
  background: #fee2e2;
  border-color: #fca5a5;
}

.account-logout-confirm {
  margin-top: 4px;
}

.logout-warning {
  padding: 16px;
  border-radius: 12px;
  background: #fffbeb;
  border: 1px solid #fcd34d;
  margin-bottom: 16px;
}

.logout-warning-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: #fef3c7;
  color: #b45309;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
}

.logout-warning-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.logout-warning-text {
  font-size: 0.85rem;
  line-height: 1.55;
  color: var(--text-secondary);
}

.logout-actions {
  display: flex;
  gap: 10px;
}

.logout-cancel-btn,
.logout-confirm-btn {
  flex: 1;
  padding: 12px 14px;
  border-radius: 10px;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, opacity 0.15s;
}

.logout-cancel-btn {
  border: 1px solid var(--border);
  background: white;
  color: var(--text-secondary);
}

.logout-cancel-btn:hover {
  background: var(--bg-hover);
}

.logout-confirm-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: none;
  background: #b91c1c;
  color: white;
}

.logout-confirm-btn:hover:not(:disabled) {
  background: #991b1b;
}

.logout-confirm-btn:disabled,
.logout-cancel-btn:disabled {
  opacity: 0.65;
  cursor: not-allowed;
}

.logout-confirm-btn .submit-spinner {
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.35);
  border-top-color: white;
  border-radius: 50%;
  animation: logout-spin 0.7s linear infinite;
}

@keyframes logout-spin {
  to { transform: rotate(360deg); }
}

/* Responsive */
@media (max-width: 768px) {
  .app {
    height: auto;
    min-height: 100dvh;
    overflow: visible;
  }

  .main {
    min-height: auto;
    overflow: visible;
  }

  .email-list {
    min-height: auto;
    overflow: visible;
  }

  .sidebar {
    display: none;
  }

  .topbar {
    padding: 12px 16px;
  }

  .content-header,
  .filter-bar,
  .email-list {
    padding-left: 16px;
    padding-right: 16px;
  }

  .search-box {
    max-width: none;
  }

  .email-card-bottom {
    gap: 6px;
  }

  .email-actions {
    width: 100%;
    justify-content: flex-end;
  }

  .reminder-notification-stack {
    top: 12px;
    width: calc(100vw - 24px);
  }

  .reminder-notification {
    grid-template-columns: auto 1fr;
    gap: 14px;
    padding: 18px 16px;
  }

  .reminder-notification-close {
    position: absolute;
    top: 12px;
    right: 12px;
  }

  .reminder-notification-title {
    font-size: 1rem;
    padding-right: 36px;
  }
}