/* ==============================================================================
   MAILBOXER MODERN DARK DESIGN SYSTEM
   Inspired by Apple, Linear, and Raycast
   ============================================================================== */

:root {
  --bg-app: #0b0d11;
  --bg-surface: #13171f;
  --bg-surface-elevated: #1a202c;
  --bg-input: #0f131a;

  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(255, 255, 255, 0.16);
  --border-focus: #3b82f6;

  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;

  --accent-primary: #3b82f6;
  --accent-primary-hover: #2563eb;
  --accent-success: #10b981;
  --accent-warning: #f59e0b;
  --accent-danger: #ef4444;

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;

  --shadow-card: 0 4px 20px -2px rgba(0, 0, 0, 0.4), 0 0 0 1px var(--border-subtle);
  --shadow-hover: 0 8px 30px -4px rgba(0, 0, 0, 0.6), 0 0 0 1px var(--border-hover);
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-app);
  color: var(--text-main);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

/* App Container */
.app-layout {
  max-width: 1080px;
  margin: 0 auto;
  padding: 32px 24px 80px;
}

/* Header */
.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 40px;
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 16px;
}

.brand-logo {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, #2563eb, #1d4ed8);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.brand-title {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand-tagline {
  font-size: 13px;
  color: var(--text-muted);
}

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

.vault-status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(16, 185, 129, 0.1);
  color: var(--accent-success);
  border: 1px solid rgba(16, 185, 129, 0.2);
  padding: 6px 12px;
  border-radius: 9999px;
  font-size: 12px;
  font-weight: 500;
}

.status-indicator {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--accent-success);
  box-shadow: 0 0 8px var(--accent-success);
}

/* Section Headings */
.section-title-wrap {
  margin-bottom: 24px;
}

.section-title {
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: 4px;
}

.section-subtitle {
  font-size: 14px;
  color: var(--text-muted);
}

.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* 1-Click OAuth Fast Connect Buttons */
.oauth-button-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
  margin-bottom: 28px;
}

.btn-oauth {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  border-radius: var(--radius-lg);
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  cursor: pointer;
  text-align: left;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: var(--shadow-card);
}

.btn-oauth:hover {
  transform: translateY(-2px);
  border-color: var(--border-hover);
  background: var(--bg-surface-elevated);
  box-shadow: var(--shadow-hover);
}

.btn-oauth:active {
  transform: translateY(0);
}

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

.oauth-title {
  display: block;
  font-size: 15px;
  font-weight: 600;
  color: #fff;
}

.oauth-desc {
  display: block;
  font-size: 12px;
  color: var(--text-muted);
}

/* Cards Grid */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
  margin-bottom: 32px;
}

.provider-card {
  background: var(--bg-surface);
  border-radius: var(--radius-lg);
  padding: 28px;
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
}

.card-icon-title {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
}

.card-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.apple-icon {
  background: #272a33;
  color: #ffffff;
}

.gmail-icon {
  background: rgba(234, 67, 53, 0.12);
  color: #ea4335;
}

.outlook-icon {
  background: rgba(0, 120, 212, 0.12);
  color: #0078d4;
}

.custom-icon {
  background: rgba(148, 163, 184, 0.15);
  color: #94a3b8;
}

.card-title {
  font-size: 17px;
  font-weight: 600;
}

.card-desc {
  font-size: 12px;
  color: var(--text-muted);
}

/* Guided Notice Banner with Direct 30-Second Link */
.guided-notice-box {
  background: rgba(59, 130, 246, 0.08);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  margin-bottom: 20px;
}

.info-box {
  background: rgba(148, 163, 184, 0.06);
  border-color: rgba(148, 163, 184, 0.15);
}

.google-notice-box {
  background: rgba(234, 67, 53, 0.08);
  border-color: rgba(234, 67, 53, 0.2);
}

.google-badge {
  color: #ea4335;
}

.outlook-notice-box {
  background: rgba(0, 120, 212, 0.08);
  border-color: rgba(0, 120, 212, 0.2);
}

.outlook-badge {
  color: #0078d4;
}

.notice-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent-primary);
  margin-bottom: 6px;
}

.info-badge {
  color: var(--text-muted);
}

.notice-text {
  font-size: 13px;
  color: var(--text-main);
  line-height: 1.45;
}

.highlight-link {
  display: inline-block;
  color: #60a5fa;
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 2px;
  margin-top: 4px;
  transition: color 0.15s;
}

.highlight-link:hover {
  color: #93c5fd;
}

/* Secondary Accordion */
.advanced-accordion {
  margin-top: 16px;
  margin-bottom: 40px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.accordion-summary {
  padding: 16px 20px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  user-select: none;
  transition: background 0.15s, color 0.15s;
}

.accordion-summary:hover {
  background: var(--bg-surface-elevated);
  color: var(--text-main);
}

.advanced-accordion-content {
  padding: 24px 20px 8px;
  border-top: 1px solid var(--border-subtle);
  background: var(--bg-app);
}

.btn-google-submit {
  background: #ea4335;
}

.btn-google-submit:hover {
  background: #d93025;
}

.btn-outlook-submit {
  background: #0078d4;
}

.btn-outlook-submit:hover {
  background: #106ebe;
}

/* Forms */
.login-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-row {
  display: flex;
  gap: 12px;
}

label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
}

input {
  width: 100%;
  padding: 10px 14px;
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-size: 14px;
  font-family: inherit;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}

input:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.password-input-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.btn-toggle-visibility {
  position: absolute;
  right: 10px;
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
  font-size: 14px;
}

.field-hint {
  font-size: 11px;
  color: var(--text-dim);
}

.form-error {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #fca5a5;
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  font-size: 13px;
  line-height: 1.4;
}

/* Buttons */
.btn-submit {
  background: var(--accent-primary);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  padding: 12px 18px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, transform 0.1s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 4px;
}

.btn-submit:hover {
  background: var(--accent-primary-hover);
}

.btn-submit:active {
  transform: scale(0.99);
}

.btn-ghost {
  background: transparent;
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.15s;
}

.btn-ghost:hover {
  border-color: var(--border-hover);
  color: var(--text-main);
  background: var(--bg-surface-elevated);
}

/* Connected Accounts Dashboard */
.accounts-section {
  padding-top: 24px;
  border-top: 1px solid var(--border-subtle);
}

.accounts-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.account-item-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: var(--shadow-card);
  transition: all 0.2s;
}

.account-item-card:hover {
  border-color: var(--border-hover);
  background: var(--bg-surface-elevated);
}

.account-info-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.account-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 700;
  color: #fff;
}

.avatar-gmail { background: #ea4335; }
.avatar-apple { background: #272a33; border: 1px solid rgba(255, 255, 255, 0.2); }
.avatar-outlook { background: #0078d4; }
.avatar-custom { background: #64748b; }

.account-details h4 {
  font-size: 16px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 10px;
}

.permanent-badge {
  font-size: 11px;
  font-weight: 500;
  background: rgba(16, 185, 129, 0.12);
  color: var(--accent-success);
  padding: 2px 8px;
  border-radius: 9999px;
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.account-meta-line {
  font-size: 13px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 4px;
}

.account-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.btn-test {
  background: rgba(59, 130, 246, 0.1);
  color: #60a5fa;
  border: 1px solid rgba(59, 130, 246, 0.2);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
}

.btn-test:hover {
  background: rgba(59, 130, 246, 0.2);
}

.btn-logout {
  background: rgba(239, 68, 68, 0.1);
  color: #f87171;
  border: 1px solid rgba(239, 68, 68, 0.2);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
}

.btn-logout:hover {
  background: rgba(239, 68, 68, 0.2);
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 64px 24px;
  background: var(--bg-surface);
  border: 1px dashed var(--border-subtle);
  border-radius: var(--radius-lg);
  color: var(--text-muted);
}

.empty-state-icon {
  margin-bottom: 16px;
  color: var(--text-dim);
}

.empty-state-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 6px;
}

/* Modals */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 24px;
}

.modal-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px;
  width: 100%;
  max-width: 520px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.modal-title {
  font-size: 18px;
  font-weight: 600;
}

.modal-desc {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.btn-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 24px;
  cursor: pointer;
}

.provider-setting-block {
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-subtle);
}

.setting-provider-title {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text-main);
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  margin-top: 24px;
}

/* Spinners & Utilities */
.hidden { display: none !important; }

.spinner-inline {
  width: 24px;
  height: 24px;
  border: 2px solid rgba(255, 255, 255, 0.1);
  border-top-color: var(--accent-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto 12px;
}

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

@media (max-width: 768px) {
  .app-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
  .cards-grid {
    grid-template-columns: 1fr;
  }
  .account-item-card {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
  .account-actions {
    width: 100%;
    justify-content: flex-end;
  }
}

/* ==========================================================================
   Triage Section & Messages Feed
   ========================================================================== */
.triage-section, .notifications-section {
  margin-top: 36px;
}

.triage-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.triage-tab {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

.triage-tab:hover {
  border-color: var(--border-hover);
  color: var(--text-main);
}

.triage-tab.active {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  color: #fff;
  font-weight: 600;
}

.triage-tab.tab-vip.active {
  background: #f59e0b;
  border-color: #f59e0b;
  color: #000;
}

.triage-tab.tab-update.active {
  background: #3b82f6;
  border-color: #3b82f6;
  color: #fff;
}

.triage-tab.tab-noise.active {
  background: #475569;
  border-color: #475569;
  color: #fff;
}

.triage-search-wrap {
  position: relative;
  margin-top: 16px;
  margin-bottom: 20px;
}

.triage-search-wrap input {
  padding-left: 40px;
}

.triage-search-wrap .search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-dim);
  pointer-events: none;
}

.messages-feed {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.message-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: border-color 0.2s, transform 0.15s;
}

.message-card:hover {
  border-color: var(--border-hover);
}

.message-card.card-vip {
  border-left: 4px solid #f59e0b;
  background: linear-gradient(90deg, rgba(245, 158, 11, 0.05) 0%, var(--bg-card) 20%);
}

.message-card.card-update {
  border-left: 4px solid #3b82f6;
}

.message-card.card-noise {
  opacity: 0.75;
  border-left: 4px solid #64748b;
}

.message-header-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.message-sender-meta {
  display: flex;
  align-items: center;
  gap: 10px;
}

.badge-pill {
  padding: 3px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-vip {
  background: rgba(245, 158, 11, 0.2);
  color: #fbbf24;
  border: 1px solid rgba(245, 158, 11, 0.4);
}

.badge-update {
  background: rgba(59, 130, 246, 0.2);
  color: #60a5fa;
  border: 1px solid rgba(59, 130, 246, 0.4);
}

.badge-noise {
  background: rgba(100, 116, 139, 0.2);
  color: #94a3b8;
  border: 1px solid rgba(100, 116, 139, 0.4);
}

.badge-normal {
  background: rgba(148, 163, 184, 0.1);
  color: #cbd5e1;
}

.message-sender-name {
  font-weight: 600;
  font-size: 14px;
  color: var(--text-main);
}

.message-date {
  font-size: 12px;
  color: var(--text-dim);
}

.message-subject {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-main);
  margin: 0;
}

.message-snippet {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.5;
  margin: 0;
}

.message-actions-row {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 4px;
}

.btn-mark-read {
  background: none;
  border: 1px solid var(--border-subtle);
  color: var(--text-dim);
  border-radius: var(--radius-sm);
  padding: 4px 10px;
  font-size: 12px;
  cursor: pointer;
  transition: all 0.15s;
}

.btn-mark-read:hover {
  border-color: var(--border-hover);
  color: var(--text-main);
}