/* =========================================================
   Family Vault — Core Styles
   Dark theme, clean, security-focused UI
   ========================================================= */

:root {
  --bg:        #0f1117;
  --bg2:       #1a1d27;
  --bg3:       #22263a;
  --surface:   #252940;
  --border:    #2e3350;
  --text:      #e4e6f0;
  --text2:     #8b90a8;
  --accent:    #5b7fff;
  --accent-h:  #7b96ff;
  --danger:    #e05252;
  --danger-h:  #ff6b6b;
  --success:   #4caf7c;
  --warn:      #f0a04b;
  --radius:    10px;
  --shadow:    0 4px 24px rgba(0,0,0,0.4);
  --font:      'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --mono:      'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
  --transition: 0.18s ease;
}

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

html, body {
  height: 100%;
  /* iOS Safari: use fill-available to account for address bar */
  min-height: -webkit-fill-available;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  /* Prevent iOS text size adjustment on orientation change */
  -webkit-text-size-adjust: 100%;
}

/* =========================================================
   Layout
   ========================================================= */
#app { display: flex; flex-direction: column; height: 100vh; height: -webkit-fill-available; }

#topbar {
  display: flex; align-items: center; gap: 12px;
  padding: 0 20px; height: 56px;
  /* iOS notch/Dynamic Island safe area */
  padding-top: max(0px, env(safe-area-inset-top));
  height: calc(56px + env(safe-area-inset-top));
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  position: relative;
  z-index: 100;
}
#topbar .logo { font-weight: 700; font-size: 17px; letter-spacing: -.3px; color: var(--text); }
#topbar .logo span { color: var(--accent); }
#topbar .spacer { flex: 1; }
#topbar .user-chip {
  display: flex; align-items: center; gap: 8px;
  padding: 6px 12px; border-radius: 20px;
  background: var(--surface); border: 1px solid var(--border);
  font-size: 13px; color: var(--text2); cursor: default;
}
#topbar .user-chip .badge {
  background: var(--accent); color: #fff;
  font-size: 10px; padding: 1px 6px; border-radius: 8px; font-weight: 600;
}
#btn-logout {
  background: none; border: 1px solid var(--border); color: var(--text2);
  padding: 6px 12px; border-radius: 6px; cursor: pointer; font-size: 13px;
  transition: var(--transition);
}
#btn-logout:hover { border-color: var(--danger); color: var(--danger); }

/* Nav tabs */
#nav {
  display: flex; gap: 2px;
  padding: 0 16px; background: var(--bg2);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.nav-tab {
  padding: 10px 18px; cursor: pointer; font-size: 14px; font-weight: 500;
  color: var(--text2); border-bottom: 2px solid transparent;
  transition: var(--transition); user-select: none; white-space: nowrap;
}
.nav-tab:hover { color: var(--text); }
.nav-tab.active { color: var(--accent); border-bottom-color: var(--accent); }

/* Main content area */
#content {
  flex: 1; overflow-y: auto; padding: 24px 20px;
  /* iOS momentum scrolling */
  -webkit-overflow-scrolling: touch;
  /* Bottom safe area for home indicator */
  padding-bottom: max(24px, env(safe-area-inset-bottom));
  max-width: 900px; margin: 0 auto; width: 100%;
}

/* Panels / views */
.view { display: none; }
.view.active { display: block; }

/* =========================================================
   Cards & panels
   ========================================================= */
.card {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px;
  margin-bottom: 12px; transition: var(--transition);
}
.card:hover { border-color: #3a3f5c; }
.card-header {
  display: flex; align-items: center; gap: 10px; margin-bottom: 16px;
}
.card-header h2 { font-size: 16px; font-weight: 600; }

.panel {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden;
}
.panel-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 18px; border-bottom: 1px solid var(--border);
  background: var(--surface);
}
.panel-header h3 { font-size: 15px; font-weight: 600; }

/* =========================================================
   Entry list items
   ========================================================= */
.entry-list { list-style: none; }
.entry-item {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 18px; border-bottom: 1px solid var(--border);
  transition: background var(--transition); cursor: pointer;
}
.entry-item:last-child { border-bottom: none; }
.entry-item:hover { background: var(--bg3); }
.entry-item .site-icon {
  width: 36px; height: 36px; border-radius: 8px;
  background: var(--bg3); border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: 16px; flex-shrink: 0;
}
.entry-item .entry-info { flex: 1; min-width: 0; }
.entry-item .site-name { font-weight: 600; font-size: 14px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.entry-item .username { font-size: 13px; color: var(--text2); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.entry-item .entry-actions { display: flex; gap: 6px; flex-shrink: 0; }

.entry-detail {
  background: var(--bg3); border-top: 1px solid var(--border);
  padding: 16px 18px; display: none;
}
.entry-detail.open { display: block; }

/* =========================================================
   Buttons
   ========================================================= */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 16px; border-radius: 7px; border: none;
  font-size: 14px; font-weight: 500; cursor: pointer;
  transition: var(--transition); white-space: nowrap;
  font-family: inherit;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-h); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: var(--danger-h); }
.btn-ghost { background: transparent; color: var(--text2); border: 1px solid var(--border); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn-sm { padding: 5px 10px; font-size: 12px; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* Icon buttons */
.icon-btn {
  width: 30px; height: 30px; border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  background: transparent; border: 1px solid var(--border);
  color: var(--text2); cursor: pointer; transition: var(--transition);
  flex-shrink: 0; font-size: 14px;
}
.icon-btn:hover { border-color: var(--accent); color: var(--accent); }
.icon-btn.danger:hover { border-color: var(--danger); color: var(--danger); }

/* =========================================================
   Forms
   ========================================================= */
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 13px; color: var(--text2); margin-bottom: 6px; font-weight: 500; }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%; padding: 9px 12px; border-radius: 7px;
  border: 1px solid var(--border); background: var(--bg);
  color: var(--text); font-size: 14px; font-family: inherit;
  transition: border-color var(--transition);
  outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--accent); }
.form-group textarea { resize: vertical; min-height: 80px; }
.form-group .hint { font-size: 12px; color: var(--text2); margin-top: 4px; }

.form-row { display: flex; gap: 12px; }
.form-row .form-group { flex: 1; }

/* Password field with reveal */
.pw-field { position: relative; }
.pw-field input { padding-right: 38px; font-family: var(--mono); letter-spacing: .05em; }
.pw-field .toggle-vis {
  position: absolute; right: 10px; top: 50%; transform: translateY(-50%);
  background: none; border: none; color: var(--text2); cursor: pointer;
  font-size: 16px; padding: 2px;
}
.pw-field .toggle-vis:hover { color: var(--text); }

/* Checkboxes */
.check-row { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; cursor: pointer; }
.check-row input[type=checkbox] { width: 16px; height: 16px; accent-color: var(--accent); cursor: pointer; }

/* =========================================================
   Login screen
   ========================================================= */
#login-screen {
  display: flex; align-items: center; justify-content: center;
  min-height: 100vh; min-height: -webkit-fill-available;
  background: var(--bg);
  padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
}
.login-box {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: 14px; padding: 40px; width: 100%; max-width: 400px;
  box-shadow: var(--shadow);
}
.login-box .logo-lg {
  text-align: center; font-size: 28px; font-weight: 700; margin-bottom: 8px;
}
.login-box .logo-lg span { color: var(--accent); }
.login-box .subtitle { text-align: center; color: var(--text2); font-size: 14px; margin-bottom: 28px; }
.login-box .btn-primary { width: 100%; justify-content: center; padding: 11px; font-size: 15px; }

/* =========================================================
   Modal / overlay
   ========================================================= */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.7);
  display: flex; align-items: flex-start; justify-content: center;
  z-index: 1000; padding: 16px;
  /* iOS: pad from top so modals clear the notch and keyboard */
  padding-top: max(16px, env(safe-area-inset-top));
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  opacity: 0; pointer-events: none; transition: opacity .2s;
}
.modal-overlay.open { opacity: 1; pointer-events: all; }
.modal {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: 14px; padding: 28px; width: 100%; max-width: 520px;
  box-shadow: var(--shadow); transform: translateY(12px);
  transition: transform .2s;
}
.modal-overlay.open .modal { transform: translateY(0); }
.modal-header {
  display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px;
}
.modal-header h3 { font-size: 17px; font-weight: 600; }
.modal-close {
  background: none; border: none; color: var(--text2); cursor: pointer;
  font-size: 20px; line-height: 1; padding: 2px;
}
.modal-close:hover { color: var(--text); }
.modal-footer { display: flex; gap: 8px; justify-content: flex-end; margin-top: 20px; }

/* =========================================================
   Password reveal box
   ========================================================= */
.reveal-box {
  background: var(--bg3); border: 1px solid var(--border);
  border-radius: 7px; padding: 12px 14px;
  font-family: var(--mono); font-size: 14px; letter-spacing: .05em;
  word-break: break-all; position: relative;
}
.reveal-actions { display: flex; gap: 8px; margin-top: 10px; }

/* =========================================================
   Password generator
   ========================================================= */
.pw-gen-output {
  display: flex; align-items: center; gap: 10px;
  background: var(--bg3); border: 1px solid var(--border);
  border-radius: 7px; padding: 12px 14px; margin-bottom: 16px;
}
.pw-gen-output .pw-text {
  flex: 1; font-family: var(--mono); font-size: 15px; word-break: break-all;
  min-height: 22px;
}
.strength-bar { height: 4px; border-radius: 2px; margin-top: 8px; transition: all .3s; }
.strength-weak   { background: var(--danger); width: 25%; }
.strength-fair   { background: var(--warn);   width: 50%; }
.strength-good   { background: var(--accent); width: 75%; }
.strength-strong { background: var(--success);width: 100%; }

/* =========================================================
   Breach check
   ========================================================= */
.breach-result {
  padding: 12px 16px; border-radius: 7px; margin-top: 12px;
  display: flex; align-items: center; gap: 10px; font-size: 14px;
}
.breach-safe  { background: rgba(76,175,124,.12); border: 1px solid var(--success); color: var(--success); }
.breach-pwned { background: rgba(224,82,82,.12);  border: 1px solid var(--danger);  color: var(--danger); }

/* =========================================================
   Admin users table
   ========================================================= */
.users-table { width: 100%; border-collapse: collapse; }
.users-table th, .users-table td {
  text-align: left; padding: 10px 14px; font-size: 13px;
  border-bottom: 1px solid var(--border);
}
.users-table th { font-weight: 600; color: var(--text2); background: var(--surface); }
.users-table td { color: var(--text); }
.users-table tr:last-child td { border-bottom: none; }
.users-table tr:hover td { background: var(--bg3); }

/* =========================================================
   Toast notifications
   ========================================================= */
#toast-container {
  position: fixed; bottom: 20px; right: 20px;
  display: flex; flex-direction: column; gap: 8px; z-index: 9999;
}
.toast {
  display: flex; align-items: center; gap: 10px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 8px; padding: 12px 16px; font-size: 14px;
  box-shadow: var(--shadow); animation: slideIn .25s ease;
  min-width: 260px; max-width: 380px;
}
.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.warn    { border-left: 3px solid var(--warn); }
@keyframes slideIn {
  from { opacity: 0; transform: translateX(20px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* =========================================================
   Search bar
   ========================================================= */
.search-bar {
  position: relative; margin-bottom: 16px;
}
.search-bar input {
  width: 100%; padding: 9px 12px 9px 36px;
  border-radius: 7px; border: 1px solid var(--border);
  background: var(--bg2); color: var(--text); font-size: 14px;
  outline: none; transition: border-color var(--transition);
}
.search-bar input:focus { border-color: var(--accent); }
.search-bar .search-icon {
  position: absolute; left: 11px; top: 50%; transform: translateY(-50%);
  color: var(--text2); font-size: 15px; pointer-events: none;
}

/* =========================================================
   Empty states
   ========================================================= */
.empty-state {
  text-align: center; padding: 48px 20px; color: var(--text2);
}
.empty-state .empty-icon { font-size: 40px; margin-bottom: 12px; }
.empty-state p { font-size: 15px; }

/* =========================================================
   Shared entry badges
   ========================================================= */
.badge-global { background: rgba(91,127,255,.15); color: var(--accent); font-size: 11px; padding: 2px 8px; border-radius: 10px; font-weight: 600; }
.badge-explicit { background: rgba(240,160,75,.15); color: var(--warn); font-size: 11px; padding: 2px 8px; border-radius: 10px; font-weight: 600; }

/* =========================================================
   Clipboard timer indicator
   ========================================================= */
.clipboard-timer {
  font-size: 11px; color: var(--warn); margin-left: auto;
  display: none; align-items: center; gap: 4px;
}
.clipboard-timer.running { display: flex; }

/* =========================================================
   Inactivity overlay
   ========================================================= */
#inactivity-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.85);
  display: none; align-items: center; justify-content: center;
  z-index: 9000;
}
#inactivity-overlay.visible { display: flex; }
.inactivity-box {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: 14px; padding: 40px; text-align: center;
  max-width: 360px;
}
.inactivity-box h3 { margin-bottom: 8px; }
.inactivity-box p { color: var(--text2); font-size: 14px; margin-bottom: 24px; }

/* =========================================================
   Misc utilities
   ========================================================= */
.hidden { display: none !important; }
.text-danger { color: var(--danger); }
.text-success { color: var(--success); }
.text-muted { color: var(--text2); }
.text-sm { font-size: 13px; }
.mt-4 { margin-top: 16px; }
.mb-4 { margin-bottom: 16px; }
.flex { display: flex; }
.gap-2 { gap: 8px; }
.items-center { align-items: center; }
.ml-auto { margin-left: auto; }

hr.divider { border: none; border-top: 1px solid var(--border); margin: 16px 0; }

/* =========================================================
   Admin sub-tabs
   ========================================================= */
.admin-subtabs {
  display: flex; gap: 4px;
  border-bottom: 1px solid var(--border); margin-bottom: 0;
}
.admin-subtab {
  padding: 8px 16px; background: none; border: none;
  color: var(--text2); font-size: 14px; font-weight: 500;
  cursor: pointer; border-bottom: 2px solid transparent;
  transition: var(--transition); font-family: inherit;
}
.admin-subtab:hover { color: var(--text); }
.admin-subtab.active { color: var(--accent); border-bottom-color: var(--accent); }

.admin-subtab-panel { display: none; }
.admin-subtab-panel.active { display: block; }

/* Per-user vault group */
.vault-group {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--radius); margin-bottom: 12px; overflow: hidden;
}
.vault-group-header {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 16px; background: var(--surface);
  border-bottom: 1px solid var(--border); cursor: pointer;
  user-select: none;
}
.vault-group-header:hover { background: var(--bg3); }
.vault-group-header .user-avatar {
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--accent); display: flex; align-items: center;
  justify-content: center; font-weight: 700; font-size: 13px; color: #fff;
  flex-shrink: 0;
}
.vault-group-header .user-info { flex: 1; }
.vault-group-header .user-name { font-weight: 600; font-size: 14px; }
.vault-group-header .entry-count { font-size: 12px; color: var(--text2); }
.vault-group-header .chevron { color: var(--text2); font-size: 12px; transition: transform var(--transition); }
.vault-group.open .chevron { transform: rotate(90deg); }
.vault-group-entries { display: none; }
.vault-group.open .vault-group-entries { display: block; }
.vault-group-entry {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 16px; border-bottom: 1px solid var(--border);
  font-size: 14px;
}
.vault-group-entry:last-child { border-bottom: none; }
.vault-group-entry .site-icon { width: 28px; height: 28px; border-radius: 6px; background: var(--bg3); border: 1px solid var(--border); display: flex; align-items: center; justify-content: center; font-size: 13px; flex-shrink: 0; }
.vault-group-entry .entry-meta { flex: 1; min-width: 0; }
.vault-group-entry .entry-site { font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.vault-group-entry .entry-user { font-size: 12px; color: var(--text2); }
.vault-group-entry .entry-date { font-size: 11px; color: var(--text2); flex-shrink: 0; white-space: nowrap; }
.vault-group-empty { padding: 16px; text-align: center; color: var(--text2); font-size: 13px; }

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 600px) {
  #content { padding: 16px 12px; }
  .form-row { flex-direction: column; }
  .modal { padding: 20px; }
  .login-box { padding: 28px 20px; }
  #nav { overflow-x: auto; }
}