/* PlaceMailer – app.css
   iPhone-optimized Dark Mail Client
   Font: DM Sans (display) + JetBrains Mono (code/addresses)
*/

@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;1,9..40,400&family=JetBrains+Mono:wght@400;500&display=swap');

/* ── CSS Variables ─────────────────────────────────────────────────────── */
:root {
  --bg:         #080B10;
  --bg-card:    #0F1318;
  --bg-hover:   #151B22;
  --bg-active:  #1A2130;
  --border:     rgba(255,255,255,0.07);
  --border-strong: rgba(255,255,255,0.13);

  --text-primary:   #F0F4FA;
  --text-secondary: #7A8899;
  --text-muted:     #4A5568;

  --accent:       #3B82F6;
  --accent-glow:  rgba(59,130,246,0.25);
  --accent-hover: #60A5FA;
  --accent-dim:   rgba(59,130,246,0.15);

  --danger:       #EF4444;
  --danger-dim:   rgba(239,68,68,0.15);
  --success:      #22C55E;
  --warning:      #F59E0B;

  --unread-dot:   #3B82F6;
  --unread-bg:    rgba(59,130,246,0.06);

  --nav-height:   68px;
  --topbar-height: 56px;
  --radius:       14px;
  --radius-sm:    8px;
  --radius-lg:    20px;

  --font-main: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', monospace;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.5);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.6);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.7);

  --safe-top:    env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --safe-left:   env(safe-area-inset-left, 0px);
  --safe-right:  env(safe-area-inset-right, 0px);
}

/* Light Mode */
[data-theme="light"] {
  --bg:         #F0F4F8;
  --bg-card:    #FFFFFF;
  --bg-hover:   #E8EDF4;
  --bg-active:  #DCE5F0;
  --border:     rgba(0,0,0,0.08);
  --border-strong: rgba(0,0,0,0.15);
  --text-primary:   #0F1318;
  --text-secondary: #4A5568;
  --text-muted:     #9AA5B4;
  --unread-bg:   rgba(59,130,246,0.05);
  --shadow-sm:   0 1px 3px rgba(0,0,0,0.1);
  --shadow-md:   0 4px 16px rgba(0,0,0,0.12);
  --shadow-lg:   0 12px 40px rgba(0,0,0,0.15);
}

/* ── Reset & Base ──────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  height: 100%;
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
  overscroll-behavior: none;
}

body {
  font-family: var(--font-main);
  background: var(--bg);
  color: var(--text-primary);
  height: 100%;
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  user-select: none;
}

#app {
  display: flex;
  flex-direction: column;
  height: 100%;
  height: 100dvh;
  padding-top: var(--safe-top);
  padding-bottom: var(--safe-bottom);
  padding-left: var(--safe-left);
  padding-right: var(--safe-right);
}

/* ── Typography ────────────────────────────────────────────────────────── */
h1 { font-size: 22px; font-weight: 600; letter-spacing: -0.4px; }
h2 { font-size: 18px; font-weight: 600; letter-spacing: -0.3px; }
h3 { font-size: 15px; font-weight: 500; }

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }

/* ── Scrollable Content Area ───────────────────────────────────────────── */
.view-content {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior-y: contain;
}

/* ── Top Bar ───────────────────────────────────────────────────────────── */
.topbar {
  display: flex;
  align-items: center;
  padding: 0 16px;
  height: var(--topbar-height);
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  gap: 12px;
  position: relative;
  z-index: 10;
}

.topbar-title {
  flex: 1;
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.topbar-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
  flex-shrink: 0;
}
.topbar-btn:active { background: var(--bg-hover); }
.topbar-btn.accent { color: var(--accent); }

/* ── Bottom Navigation ─────────────────────────────────────────────────── */
.bottom-nav {
  display: flex;
  height: var(--nav-height);
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}

.nav-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  transition: color 0.15s;
  padding: 8px 4px 4px;
  -webkit-tap-highlight-color: transparent;
  position: relative;
}

.nav-item.active { color: var(--accent); }
.nav-item:active { opacity: 0.7; }

.nav-item svg { width: 24px; height: 24px; }
.nav-label { font-size: 10px; font-weight: 500; letter-spacing: 0.2px; }

.nav-badge {
  position: absolute;
  top: 6px;
  right: calc(50% - 18px);
  background: var(--danger);
  color: #fff;
  font-size: 10px;
  font-weight: 600;
  min-width: 16px;
  height: 16px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 4px;
  line-height: 1;
}

/* ── Views ─────────────────────────────────────────────────────────────── */
.view { display: none; flex: 1; flex-direction: column; overflow: hidden; }
.view.active { display: flex; }

/* ── Search Bar ─────────────────────────────────────────────────────────── */
.search-bar {
  padding: 10px 16px;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.search-input-wrap {
  display: flex;
  align-items: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0 12px;
  gap: 8px;
  height: 38px;
}

.search-input-wrap svg { color: var(--text-muted); width: 16px; height: 16px; flex-shrink: 0; }

.search-input {
  flex: 1;
  border: none;
  background: transparent;
  color: var(--text-primary);
  font-family: var(--font-main);
  font-size: 15px;
  outline: none;
  -webkit-user-select: text;
  user-select: text;
}
.search-input::placeholder { color: var(--text-muted); }

/* ── Tab Bar ─────────────────────────────────────────────────────────────── */
.tab-bar {
  display: flex;
  padding: 0 16px;
  gap: 0;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  overflow-x: auto;
  scrollbar-width: none;
}
.tab-bar::-webkit-scrollbar { display: none; }

.tab-btn {
  flex-shrink: 0;
  padding: 12px 16px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-family: var(--font-main);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: color 0.15s, border-color 0.15s;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 6px;
}
.tab-btn.active { color: var(--accent); border-bottom-color: var(--accent); }

.tab-count {
  background: var(--accent-dim);
  color: var(--accent);
  font-size: 11px;
  font-weight: 600;
  padding: 1px 6px;
  border-radius: 10px;
}

/* ── Mail List ──────────────────────────────────────────────────────────── */
.mail-list {
  flex: 1;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior-y: contain;
}

/* Pull-to-Refresh Indicator */
.ptr-indicator {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 0;
  overflow: hidden;
  transition: height 0.2s;
  color: var(--text-muted);
  font-size: 13px;
  gap: 8px;
}
.ptr-indicator.visible { height: 48px; }
.ptr-spinner {
  width: 18px; height: 18px;
  border: 2px solid var(--border-strong);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

/* Mail Item */
.mail-item {
  display: flex;
  align-items: flex-start;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  gap: 12px;
  cursor: pointer;
  transition: background 0.12s;
  position: relative;
  overflow: hidden;
  background: var(--bg);
  touch-action: pan-y;
}
.mail-item:active { background: var(--bg-hover); }
.mail-item.unread { background: var(--unread-bg); }

.mail-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-dim), var(--accent-glow));
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  font-weight: 600;
  color: var(--accent);
  flex-shrink: 0;
  text-transform: uppercase;
}

.mail-main { flex: 1; min-width: 0; }
.mail-meta { display: flex; align-items: center; justify-content: space-between; margin-bottom: 3px; }

.mail-from {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: calc(100% - 56px);
}
.mail-item.unread .mail-from { color: var(--text-primary); }
.mail-item:not(.unread) .mail-from { font-weight: 400; color: var(--text-secondary); }

.mail-date {
  font-size: 12px;
  color: var(--text-muted);
  flex-shrink: 0;
  font-variant-numeric: tabular-nums;
}
.mail-item.unread .mail-date { color: var(--accent); font-weight: 500; }

.mail-subject {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  margin-bottom: 2px;
}
.mail-item:not(.unread) .mail-subject { color: var(--text-secondary); font-weight: 400; }

.mail-preview {
  font-size: 13px;
  color: var(--text-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mail-unread-dot {
  width: 8px;
  height: 8px;
  background: var(--unread-dot);
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 5px;
  box-shadow: 0 0 6px var(--accent-glow);
}

/* Swipe Actions */
.swipe-actions-left,
.swipe-actions-right {
  position: absolute;
  top: 0; bottom: 0;
  display: flex;
  align-items: center;
  padding: 0 20px;
  font-size: 13px;
  font-weight: 600;
  gap: 6px;
}
.swipe-actions-left  { left: 0;  background: var(--success); color: #fff; transform: translateX(-100%); }
.swipe-actions-right { right: 0; background: var(--danger);  color: #fff; transform: translateX(100%); }

/* Skeleton */
.skeleton-item {
  display: flex;
  align-items: flex-start;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  gap: 12px;
}
.skeleton { background: var(--bg-card); border-radius: 4px; animation: shimmer 1.4s infinite; }
.skeleton-avatar { width: 40px; height: 40px; border-radius: 50%; flex-shrink: 0; }
.skeleton-lines { flex: 1; display: flex; flex-direction: column; gap: 8px; padding-top: 4px; }
.skeleton-line { height: 12px; }
.skeleton-line.wide { width: 70%; }
.skeleton-line.medium { width: 50%; }
.skeleton-line.narrow { width: 35%; }

@keyframes shimmer {
  0%   { opacity: 0.4; }
  50%  { opacity: 0.7; }
  100% { opacity: 0.4; }
}

/* Empty state */
.empty-state {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 40px 24px;
  color: var(--text-muted);
  text-align: center;
}
.empty-state svg { width: 48px; height: 48px; opacity: 0.3; }
.empty-state-title { font-size: 16px; font-weight: 500; color: var(--text-secondary); }
.empty-state-sub { font-size: 13px; }

/* ── Mail Detail View ───────────────────────────────────────────────────── */
.mail-detail {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

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

.mail-detail-subject {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.3px;
  line-height: 1.3;
  margin-bottom: 12px;
  color: var(--text-primary);
  -webkit-user-select: text;
  user-select: text;
}

.mail-detail-meta {
  display: flex;
  align-items: center;
  gap: 10px;
}

.mail-detail-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--accent-dim);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  flex-shrink: 0;
}

.mail-detail-sender { flex: 1; min-width: 0; }
.mail-detail-from { font-size: 14px; font-weight: 500; color: var(--text-primary); }
.mail-detail-to { font-size: 12px; color: var(--text-muted); margin-top: 1px; font-family: var(--font-mono); font-size: 11px; }
.mail-detail-date { font-size: 12px; color: var(--text-muted); flex-shrink: 0; }

.mail-detail-body {
  flex: 1;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  -webkit-user-select: text;
  user-select: text;
}

.mail-body-text {
  padding: 16px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-primary);
  white-space: pre-wrap;
  word-break: break-word;
  font-family: var(--font-main);
}

.mail-body-iframe {
  width: 100%;
  border: none;
  background: #fff;
  min-height: 300px;
  flex: 1;
}

.mail-detail-actions {
  display: flex;
  padding: 12px 16px;
  gap: 10px;
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}

/* ── FAB ─────────────────────────────────────────────────────────────────── */
.fab {
  position: fixed;
  bottom: calc(var(--nav-height) + 20px + var(--safe-bottom));
  right: 20px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px var(--accent-glow), 0 2px 8px rgba(0,0,0,0.4);
  z-index: 100;
  transition: transform 0.15s, box-shadow 0.15s;
  -webkit-tap-highlight-color: transparent;
}
.fab:active {
  transform: scale(0.94);
  box-shadow: 0 2px 10px var(--accent-glow);
}
.fab svg { width: 24px; height: 24px; }

/* ── Bottom Sheet / Modal ──────────────────────────────────────────────── */
.sheet-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 200;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}
.sheet-overlay.visible { opacity: 1; pointer-events: all; }

.bottom-sheet {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  background: var(--bg-card);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  z-index: 201;
  transform: translateY(100%);
  transition: transform 0.3s cubic-bezier(0.34, 1.2, 0.64, 1);
  max-height: 95dvh;
  display: flex;
  flex-direction: column;
  padding-bottom: var(--safe-bottom);
}
.bottom-sheet.open { transform: translateY(0); }

.sheet-handle {
  width: 36px; height: 4px;
  background: var(--border-strong);
  border-radius: 2px;
  margin: 12px auto 0;
  flex-shrink: 0;
}

.sheet-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 16px 12px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.sheet-title { font-size: 16px; font-weight: 600; }

.sheet-close {
  width: 28px; height: 28px;
  background: var(--bg-hover);
  border: none;
  border-radius: 50%;
  color: var(--text-secondary);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
}

.sheet-body {
  flex: 1;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding: 16px;
}

/* ── Compose Form ───────────────────────────────────────────────────────── */
.compose-form { display: flex; flex-direction: column; gap: 0; }

.compose-field {
  display: flex;
  align-items: flex-start;
  border-bottom: 1px solid var(--border);
  padding: 12px 0;
  gap: 10px;
}
.compose-field-label {
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 500;
  width: 36px;
  flex-shrink: 0;
  padding-top: 2px;
}
.compose-field input,
.compose-field select {
  flex: 1;
  border: none;
  background: transparent;
  color: var(--text-primary);
  font-family: var(--font-main);
  font-size: 15px;
  outline: none;
  -webkit-user-select: text;
  user-select: text;
  min-width: 0;
}
.compose-field input::placeholder { color: var(--text-muted); }
.compose-field select option { background: var(--bg-card); }

.compose-body {
  flex: 1;
  border: none;
  background: transparent;
  color: var(--text-primary);
  font-family: var(--font-main);
  font-size: 15px;
  line-height: 1.6;
  outline: none;
  resize: none;
  min-height: 180px;
  padding: 12px 0;
  -webkit-user-select: text;
  user-select: text;
}

.compose-toolbar {
  display: flex;
  gap: 4px;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
}
.compose-tool-btn {
  width: 36px; height: 36px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 14px;
  font-weight: 600;
  transition: background 0.12s, color 0.12s;
}
.compose-tool-btn:active, .compose-tool-btn.active {
  background: var(--accent-dim);
  color: var(--accent);
}

.compose-send-btn {
  width: 100%;
  height: 48px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  font-family: var(--font-main);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 16px;
  transition: opacity 0.15s, transform 0.12s;
}
.compose-send-btn:active { transform: scale(0.98); opacity: 0.85; }
.compose-send-btn:disabled { opacity: 0.4; pointer-events: none; }

/* Autocomplete dropdown */
.autocomplete-dropdown {
  position: absolute;
  z-index: 300;
  background: var(--bg-card);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md);
  max-height: 200px;
  overflow-y: auto;
}
.autocomplete-item {
  display: flex;
  flex-direction: column;
  padding: 10px 14px;
  cursor: pointer;
  border-bottom: 1px solid var(--border);
  transition: background 0.1s;
}
.autocomplete-item:last-child { border-bottom: none; }
.autocomplete-item:active { background: var(--bg-hover); }
.autocomplete-name { font-size: 14px; font-weight: 500; }
.autocomplete-email { font-size: 12px; color: var(--text-muted); font-family: var(--font-mono); }

/* ── Settings ─────────────────────────────────────────────────────────────── */
.settings-list { padding: 8px 0; }

.settings-section { margin-bottom: 24px; }
.settings-section-title {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-muted);
  padding: 8px 16px 6px;
}

.settings-item {
  display: flex;
  align-items: center;
  padding: 14px 16px;
  gap: 14px;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  transition: background 0.12s;
}
.settings-item:first-of-type { border-top: 1px solid var(--border); }
.settings-item:active { background: var(--bg-hover); }
.settings-item.no-tap { cursor: default; }
.settings-item.no-tap:active { background: var(--bg-card); }

.settings-item-icon {
  width: 32px; height: 32px;
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.settings-item-icon.blue  { background: rgba(59,130,246,0.15); color: var(--accent); }
.settings-item-icon.green { background: rgba(34,197,94,0.15); color: var(--success); }
.settings-item-icon.red   { background: rgba(239,68,68,0.15); color: var(--danger); }
.settings-item-icon.gray  { background: rgba(255,255,255,0.06); color: var(--text-muted); }
.settings-item-icon.orange { background: rgba(245,158,11,0.15); color: var(--warning); }
.settings-item-icon svg { width: 18px; height: 18px; }

.settings-item-body { flex: 1; min-width: 0; }
.settings-item-label { font-size: 15px; color: var(--text-primary); }
.settings-item-sub { font-size: 12px; color: var(--text-muted); margin-top: 2px; }

.settings-item-right { display: flex; align-items: center; gap: 6px; color: var(--text-muted); }
.settings-item-right svg { width: 16px; height: 16px; }
.settings-item-value { font-size: 14px; color: var(--text-secondary); }

/* Toggle Switch */
.toggle-switch {
  position: relative;
  width: 48px;
  height: 28px;
  flex-shrink: 0;
}
.toggle-switch input {
  opacity: 0;
  width: 0; height: 0;
  position: absolute;
}
.toggle-track {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background: var(--bg-hover);
  border-radius: 14px;
  transition: background 0.2s;
}
.toggle-track::after {
  content: '';
  position: absolute;
  left: 3px; top: 3px;
  width: 22px; height: 22px;
  background: #fff;
  border-radius: 50%;
  transition: transform 0.2s cubic-bezier(0.34, 1.4, 0.64, 1);
  box-shadow: var(--shadow-sm);
}
.toggle-switch input:checked + .toggle-track { background: var(--accent); }
.toggle-switch input:checked + .toggle-track::after { transform: translateX(20px); }

/* ── Form Controls ──────────────────────────────────────────────────────── */
.form-group { margin-bottom: 16px; }
.form-label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 6px;
}
.form-input,
.form-select,
.form-textarea {
  width: 100%;
  background: var(--bg-hover);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-main);
  font-size: 15px;
  padding: 12px 14px;
  outline: none;
  transition: border-color 0.15s;
  -webkit-user-select: text;
  user-select: text;
  -webkit-appearance: none;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
.form-input::placeholder { color: var(--text-muted); }
.form-textarea { resize: vertical; min-height: 100px; line-height: 1.5; }
.form-select option { background: var(--bg-card); }

/* Buttons */
.btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 20px;
  height: 44px;
  border-radius: var(--radius-sm);
  border: none;
  font-family: var(--font-main);
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  transition: opacity 0.15s, transform 0.1s;
  white-space: nowrap;
}
.btn:active { transform: scale(0.97); opacity: 0.85; }
.btn:disabled { opacity: 0.4; pointer-events: none; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-secondary { background: var(--bg-hover); color: var(--text-primary); }
.btn-danger { background: var(--danger-dim); color: var(--danger); }
.btn-ghost { background: transparent; color: var(--text-secondary); border: 1px solid var(--border); }
.btn-sm { height: 34px; padding: 0 14px; font-size: 13px; }
.btn-full { width: 100%; }
.btn svg { width: 16px; height: 16px; }

/* ── Login Screen ───────────────────────────────────────────────────────── */
.login-screen {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100dvh;
  padding: 24px;
  background: var(--bg);
  padding-top: calc(24px + var(--safe-top));
  padding-bottom: calc(24px + var(--safe-bottom));
}
.login-screen.active { display: flex; }

.login-logo {
  margin-bottom: 32px;
  text-align: center;
}
.login-logo-mark {
  width: 72px; height: 72px;
  background: linear-gradient(135deg, var(--accent) 0%, #818CF8 100%);
  border-radius: 20px;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 12px;
  box-shadow: 0 8px 32px var(--accent-glow);
}
.login-logo-mark svg { width: 36px; height: 36px; color: #fff; }
.login-title { font-size: 26px; font-weight: 700; letter-spacing: -0.5px; }
.login-subtitle { font-size: 14px; color: var(--text-muted); margin-top: 4px; }

.login-card {
  width: 100%;
  max-width: 380px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-lg);
}

.login-tabs {
  display: flex;
  background: var(--bg-hover);
  border-radius: var(--radius-sm);
  padding: 3px;
  margin-bottom: 20px;
  gap: 2px;
}
.login-tab {
  flex: 1;
  height: 34px;
  border: none;
  border-radius: 6px;
  background: transparent;
  color: var(--text-muted);
  font-family: var(--font-main);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}
.login-tab.active { background: var(--bg-card); color: var(--text-primary); box-shadow: var(--shadow-sm); }

.login-error {
  background: var(--danger-dim);
  color: var(--danger);
  border: 1px solid rgba(239,68,68,0.2);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  font-size: 13px;
  margin-bottom: 16px;
  display: none;
}
.login-error.visible { display: block; }

/* ── Admin Panel ─────────────────────────────────────────────────────────── */
.admin-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin: 12px 16px;
  overflow: hidden;
}
.admin-card-header {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.admin-card-title { font-size: 14px; font-weight: 600; }

.admin-row {
  display: flex;
  align-items: center;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  gap: 12px;
}
.admin-row:last-child { border-bottom: none; }
.admin-row-main { flex: 1; min-width: 0; }
.admin-row-label { font-size: 14px; font-weight: 500; color: var(--text-primary); }
.admin-row-sub { font-size: 12px; color: var(--text-muted); font-family: var(--font-mono); margin-top: 1px; }
.admin-row-actions { display: flex; gap: 6px; }

/* Stats Cards */
.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  padding: 16px;
}
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.stat-card-value { font-size: 28px; font-weight: 700; letter-spacing: -0.5px; }
.stat-card-label { font-size: 12px; color: var(--text-muted); }
.stat-card.accent-card .stat-card-value { color: var(--accent); }
.stat-card.green-card  .stat-card-value { color: var(--success); }

/* ── Toast Notifications ─────────────────────────────────────────────────── */
.toast-container {
  position: fixed;
  bottom: calc(var(--nav-height) + 16px + var(--safe-bottom));
  left: 16px;
  right: 16px;
  z-index: 500;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}
.toast {
  background: var(--bg-card);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-size: 14px;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 10px;
  transform: translateY(20px);
  opacity: 0;
  transition: transform 0.25s cubic-bezier(0.34, 1.2, 0.64, 1), opacity 0.2s;
  pointer-events: all;
}
.toast.show { transform: translateY(0); opacity: 1; }
.toast.success { border-left: 3px solid var(--success); }
.toast.error   { border-left: 3px solid var(--danger); }
.toast.info    { border-left: 3px solid var(--accent); }
.toast svg { width: 18px; height: 18px; flex-shrink: 0; }
.toast.success svg { color: var(--success); }
.toast.error   svg { color: var(--danger); }
.toast.info    svg { color: var(--accent); }

/* ── iOS Install Banner ──────────────────────────────────────────────────── */
.ios-install-banner {
  position: fixed;
  bottom: calc(var(--nav-height) + 12px + var(--safe-bottom));
  left: 12px;
  right: 12px;
  background: var(--bg-card);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  padding: 14px;
  z-index: 400;
  box-shadow: var(--shadow-lg);
  display: none;
  gap: 12px;
  align-items: flex-start;
}
.ios-install-banner.visible { display: flex; }
.ios-install-content { flex: 1; }
.ios-install-title { font-size: 14px; font-weight: 600; margin-bottom: 4px; }
.ios-install-text { font-size: 12px; color: var(--text-muted); line-height: 1.4; }
.ios-install-close {
  background: none; border: none; color: var(--text-muted);
  cursor: pointer; padding: 0; flex-shrink: 0;
}

/* ── Loading Overlay ────────────────────────────────────────────────────── */
.loading-overlay {
  position: fixed; inset: 0;
  background: var(--bg);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 16px;
  z-index: 1000;
  transition: opacity 0.3s;
}
.loading-overlay.hidden { opacity: 0; pointer-events: none; }
.loading-logo { font-size: 24px; font-weight: 700; letter-spacing: -0.5px; }
.loading-spinner {
  width: 32px; height: 32px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* ── Animations ─────────────────────────────────────────────────────────── */
@keyframes fadeSlideUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}
.fade-slide-up { animation: fadeSlideUp 0.2s ease forwards; }

/* ── Contacts View ─────────────────────────────────────────────────────── */
.contact-item {
  display: flex;
  align-items: center;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  gap: 12px;
  cursor: pointer;
}
.contact-avatar {
  width: 38px; height: 38px;
  border-radius: 50%;
  background: var(--accent-dim);
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; font-weight: 600; color: var(--accent);
  text-transform: uppercase; flex-shrink: 0;
}
.contact-info { flex: 1; min-width: 0; }
.contact-name { font-size: 14px; font-weight: 500; }
.contact-email { font-size: 12px; color: var(--text-muted); font-family: var(--font-mono); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ── Responsive tweaks ───────────────────────────────────────────────────── */
@media (min-width: 768px) {
  .login-screen { background: radial-gradient(ellipse at top, rgba(59,130,246,0.08) 0%, transparent 60%), var(--bg); }
  .fab { right: 32px; }
}

/* ── Miscellaneous ───────────────────────────────────────────────────────── */
.divider {
  height: 1px;
  background: var(--border);
  margin: 0;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: 100px;
  font-size: 12px;
  font-weight: 500;
}
.chip-blue   { background: var(--accent-dim); color: var(--accent); }
.chip-green  { background: rgba(34,197,94,0.12); color: var(--success); }
.chip-gray   { background: var(--bg-hover); color: var(--text-muted); }

.text-muted { color: var(--text-muted); }
.text-sm    { font-size: 13px; }
.mono       { font-family: var(--font-mono); }