/* === FILE: css/app.css === */
/* Style app layout: header, sidebar, content area, responsive, page-specific */

/* === APP LAYOUT === */
#app-layout {
  min-height: 100vh;
}

#app-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 16px;
  z-index: 500;
}

#logo-link {
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 2px;
  white-space: nowrap;
  color: var(--text-primary);
}

#search-container {
  flex: 1;
  max-width: 400px;
  position: relative;
}

#global-search {
  width: 100%;
  padding: 8px 14px;
  font-size: 13px;
}

#header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}

#theme-toggle {
  font-size: 18px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}

.dirty-dot {
  width: 8px;
  height: 8px;
  background: var(--error);
  border-radius: 50%;
  display: inline-block;
}

#menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 22px;
  cursor: pointer;
  padding: 6px;
  color: var(--text-primary);
}

/* === SIDEBAR === */
#sidebar {
  position: fixed;
  left: -100%;
  top: var(--header-height);
  bottom: 0;
  width: var(--sidebar-width);
  background: var(--bg-secondary);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  transition: left 0.3s ease;
  z-index: 400;
  padding: 12px 0;
}

#sidebar.open {
  left: 0;
}

#sidebar ul {
  list-style: none;
}

#sidebar li a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  color: var(--text-secondary);
  font-size: 14px;
  transition: all var(--transition);
  border-left: 3px solid transparent;
}

#sidebar li a:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

#sidebar li a.active {
  background: var(--accent-light);
  color: var(--accent-primary);
  border-left-color: var(--accent-primary);
  font-weight: 600;
}

#sidebar .separator {
  height: 1px;
  background: var(--border);
  margin: 8px 16px;
}

#sidebar .badge {
  margin-left: auto;
}

/* === CONTENT === */
#content {
  padding: 16px;
  padding-top: calc(var(--header-height) + 16px);
  min-height: 100vh;
  transition: opacity 100ms ease;
}

/* === PAGE COMMON === */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 12px;
}

.page-title {
  font-size: 22px;
  font-weight: 600;
}

.section-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 12px;
}

/* === STATS GRID === */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  transition: box-shadow var(--transition);
}

.stat-card:hover { box-shadow: var(--shadow-md); }
.stat-icon { font-size: 28px; }
.stat-count { font-size: 24px; font-weight: 700; display: block; }
.stat-label { font-size: 13px; color: var(--text-secondary); }
.stat-sub { font-size: 11px; color: var(--text-tertiary); }

/* === SCORE === */
.score-card { display: flex; align-items: center; gap: 20px; background: var(--bg-secondary); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 20px; margin-bottom: 24px; flex-wrap: wrap; }
.score-circle { text-align: center; min-width: 80px; }
.score-number { font-size: 36px; font-weight: 700; color: var(--score-color, var(--accent-primary)); }
.score-max { font-size: 16px; color: var(--text-tertiary); }
.score-category { font-size: 18px; font-weight: 600; display: block; }
.score-issues { font-size: 13px; color: var(--text-secondary); display: block; margin-top: 4px; }
.score-link { font-size: 13px; display: block; margin-top: 4px; }
.score-bar { flex: 1; min-width: 200px; }
.score-bar-fill { height: 8px; border-radius: 4px; transition: width 500ms ease; }
.score-loading { padding: 20px; text-align: center; color: var(--text-secondary); }

/* === ALERTS === */
.alerts-section { margin-bottom: 24px; }
.alerts-list { display: flex; flex-direction: column; gap: 8px; }
.alert-item { display: flex; align-items: center; gap: 12px; padding: 12px 16px; background: var(--bg-secondary); border: 1px solid var(--border); border-radius: var(--radius-md); transition: background var(--transition); text-decoration: none; color: var(--text-primary); }
.alert-item:hover { background: var(--bg-tertiary); }
.alert-count { font-size: 20px; font-weight: 700; min-width: 32px; }
.alert-red .alert-count { color: var(--error); }
.alert-orange .alert-count { color: var(--warning); }
.alert-yellow .alert-count { color: #EAB308; }
.alert-arrow { margin-left: auto; color: var(--text-tertiary); }

/* === ACTIVITY === */
.activity-section { margin-bottom: 24px; }
.activity-item { display: flex; align-items: center; gap: 10px; padding: 10px 0; border-bottom: 1px solid var(--border); cursor: pointer; font-size: 14px; }
.activity-item:last-child { border-bottom: none; }
.activity-icon { font-size: 16px; flex-shrink: 0; }
.activity-text { flex: 1; }
.activity-time { color: var(--text-tertiary); font-size: 12px; white-space: nowrap; }

/* === CARDS GRID === */
.cards-grid { display: grid; grid-template-columns: 1fr; gap: 12px; }
.filter-bar { display: flex; gap: 12px; margin-bottom: 16px; flex-wrap: wrap; }

.card-item { background: var(--bg-secondary); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 14px; cursor: pointer; transition: box-shadow var(--transition), transform 0.2s ease; position: relative; overflow: hidden; }
.card-item:hover { box-shadow: var(--shadow-md); }
.card-item.starred { border-color: #EAB308; }
.card-item-header { display: flex; align-items: center; gap: 10px; margin-bottom: 6px; }
.card-item-icon { font-size: 24px; flex-shrink: 0; }
.card-item-info { flex: 1; min-width: 0; }
.card-item-name { font-weight: 600; display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.card-item-user { font-size: 12px; color: var(--text-secondary); display: block; overflow: hidden; text-overflow: ellipsis; }
.card-item-domain { font-size: 11px; color: var(--text-tertiary); }
.card-star { flex-shrink: 0; }
.card-item-cat { font-size: 11px; color: var(--text-tertiary); margin-bottom: 4px; display: inline-block; }
.card-item-actions { display: flex; gap: 4px; margin-top: 8px; }
.card-item.swiped-left { transform: translateX(-80px); }
.card-item.swiped-right { transform: translateX(80px); }
.swipe-action { position: absolute; top: 0; bottom: 0; width: 80px; display: flex; align-items: center; justify-content: center; font-size: 24px; color: #fff; }
.swipe-action.delete { right: -80px; background: var(--error); }
.swipe-action.duplicate { left: -80px; background: var(--info); }

/* === CARD DETAIL === */
.detail-topbar { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; flex-wrap: wrap; gap: 8px; }
.detail-topbar-actions { display: flex; gap: 8px; }
.detail-header { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.detail-icon { font-size: 36px; }
.detail-name { font-size: 22px; font-weight: 600; flex: 1; }
.detail-category { font-size: 13px; margin-bottom: 16px; display: inline-block; }
.detail-fields { margin-bottom: 20px; }
.detail-field { margin-bottom: 14px; }
.field-label { font-size: 12px; color: var(--text-tertiary); display: block; margin-bottom: 2px; text-transform: uppercase; letter-spacing: 0.5px; }
.field-value-row { display: flex; align-items: center; gap: 6px; }
.field-value { font-size: 15px; word-break: break-all; }
.field-password { font-family: var(--font-mono); letter-spacing: 1px; }
.field-link { color: var(--accent-primary); }
.field-notes { white-space: pre-wrap; font-size: 14px; color: var(--text-secondary); background: var(--bg-secondary); padding: 12px; border-radius: var(--radius-md); }
.detail-section { margin-top: 20px; margin-bottom: 20px; }
.detail-meta { font-size: 12px; color: var(--text-tertiary); margin-top: 24px; padding-top: 16px; border-top: 1px solid var(--border); }
.detail-meta p { margin-bottom: 4px; }

/* === ATTACHMENTS === */
.attachment-item { display: flex; align-items: center; gap: 10px; padding: 8px 0; border-bottom: 1px solid var(--border); }
.attachment-thumb { width: 48px; height: 48px; object-fit: cover; border-radius: var(--radius-sm); }
.attachment-info { flex: 1; }
.attachment-name { font-size: 14px; display: block; }
.attachment-size { font-size: 12px; color: var(--text-tertiary); }
.attachment-row { display: flex; align-items: center; gap: 8px; padding: 6px 0; }
.att-name { flex: 1; font-size: 13px; }
.att-size { font-size: 12px; color: var(--text-tertiary); }

/* === PASSWORD HISTORY === */
.history-item { display: flex; align-items: center; gap: 8px; padding: 8px 0; border-bottom: 1px solid var(--border); font-size: 13px; }
.history-pw { font-family: var(--font-mono); flex: 1; }
.history-date { color: var(--text-tertiary); font-size: 12px; white-space: nowrap; }

/* === CUSTOM FIELD ROW === */
.custom-field-row { display: flex; gap: 8px; margin-bottom: 8px; align-items: center; }
.custom-field-row .input { flex: 1; }
.custom-field-row select { width: 100px; flex: none; }

/* === TOTP === */
.totp-list { display: flex; flex-direction: column; gap: 12px; }
.totp-item { background: var(--bg-secondary); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 16px; }
.totp-item-header { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.totp-icon { font-size: 24px; }
.totp-info { flex: 1; }
.totp-service { font-weight: 600; display: block; }
.totp-account { font-size: 12px; color: var(--text-secondary); }
.totp-code-row { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
.totp-code { font-family: var(--font-mono); font-size: 32px; font-weight: 700; letter-spacing: 4px; color: var(--accent-primary); }
.totp-progress { height: 4px; background: var(--bg-tertiary); border-radius: 2px; overflow: hidden; }
.totp-progress-fill { height: 100%; background: var(--accent-primary); transition: width 1s linear; }
.totp-progress-fill.warning { background: var(--warning); }
.totp-remaining { font-size: 12px; color: var(--text-tertiary); }

/* === MFA === */
.mfa-list { display: flex; flex-direction: column; gap: 12px; }
.mfa-item { background: var(--bg-secondary); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 16px; }
.mfa-item-header { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.mfa-item-info { flex: 1; }
.mfa-service { font-weight: 600; display: block; }
.mfa-url { font-size: 12px; display: block; }
.mfa-last-used { font-size: 12px; display: block; }
.mfa-item-actions { display: flex; gap: 8px; }
.mfa-response-area { margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--border); }
.mfa-response-code { font-family: var(--font-mono); font-size: 13px; word-break: break-all; background: var(--bg-tertiary); padding: 8px 12px; border-radius: var(--radius-sm); display: block; flex: 1; }
.mfa-result { margin-top: 12px; }

/* === DETERMINISTIC === */
.generate-section { background: var(--bg-secondary); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 20px; margin: 20px 0; }
.derive-result { margin-top: 16px; padding: 16px; background: var(--bg-tertiary); border-radius: var(--radius-md); }
.derived-password { font-family: var(--font-mono); font-size: 16px; word-break: break-all; flex: 1; }
.derived-keys-section { margin-top: 24px; }
.derived-key-item { display: flex; align-items: center; justify-content: space-between; padding: 10px 0; border-bottom: 1px solid var(--border); }
.dk-service { font-weight: 600; }
.dk-meta { font-size: 12px; color: var(--text-secondary); }
.dk-fingerprint { font-family: var(--font-mono); font-size: 11px; color: var(--text-tertiary); }
.dk-date { font-size: 12px; color: var(--text-tertiary); }

/* === NOTES === */
.notes-list { display: grid; grid-template-columns: 1fr; gap: 12px; }
.note-item { background: var(--bg-secondary); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 14px; cursor: pointer; transition: box-shadow var(--transition); }
.note-item:hover { box-shadow: var(--shadow-md); }
.note-item-header { display: flex; align-items: center; gap: 8px; margin-bottom: 6px; }
.note-star { flex-shrink: 0; }
.note-title { font-weight: 600; flex: 1; }
.note-date { font-size: 12px; color: var(--text-tertiary); }
.note-preview { font-size: 13px; color: var(--text-secondary); margin-bottom: 6px; }
.note-tags { margin-top: 4px; }

/* === AUDIT === */
.audit-score-section { margin-bottom: 20px; }
.audit-results { margin-bottom: 24px; }
.audit-item { display: flex; align-items: center; gap: 10px; padding: 12px 0; border-bottom: 1px solid var(--border); cursor: pointer; }
.audit-item:hover { background: var(--bg-secondary); }
.audit-severity { font-size: 16px; flex-shrink: 0; }
.audit-item-info { flex: 1; }
.audit-item-name { font-weight: 600; display: block; }
.audit-item-type { font-size: 12px; color: var(--text-secondary); }
.audit-item-detail { font-size: 12px; display: block; }
.audit-item-actions { display: flex; gap: 4px; }
.breach-section { margin-top: 24px; padding-top: 20px; border-top: 1px solid var(--border); }
.breach-item { display: flex; align-items: center; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--border); }
.breach-name { flex: 1; font-weight: 500; }
.breach-count { font-size: 13px; }

/* === SETTINGS === */
.settings-nav { display: flex; gap: 0; border-bottom: 2px solid var(--border); margin-bottom: 24px; }
.settings-nav-item { padding: 10px 20px; color: var(--text-secondary); border-bottom: 2px solid transparent; margin-bottom: -2px; font-size: 14px; transition: all var(--transition); }
.settings-nav-item:hover { color: var(--text-primary); }
.settings-nav-item.active { color: var(--accent-primary); border-bottom-color: var(--accent-primary); font-weight: 600; }
.settings-section { margin-bottom: 32px; padding-bottom: 24px; border-bottom: 1px solid var(--border); }
.settings-section:last-child { border-bottom: none; }
.settings-danger { background: rgba(239,68,68,0.05); border-radius: var(--radius-lg); padding: 20px; border: 1px solid var(--error); }
.import-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 8px; margin: 12px 0; }
.export-buttons { display: flex; gap: 8px; flex-wrap: wrap; }

/* === UNLOCK === */
.unlock-container { max-width: 440px; margin: 0 auto; padding: 32px 24px; min-height: 100vh; display: flex; flex-direction: column; align-items: center; justify-content: center; }
.unlock-header { text-align: center; margin-bottom: 32px; }
.unlock-logo { width: 80px; margin-bottom: 12px; }
.unlock-title { font-size: 28px; font-weight: 700; letter-spacing: 3px; }
.unlock-tagline { font-size: 14px; color: var(--text-secondary); }
.unlock-tabs { width: 100%; }
.drop-zone { border: 2px dashed var(--border); border-radius: var(--radius-lg); padding: 40px 24px; text-align: center; transition: border-color var(--transition), background var(--transition); cursor: pointer; margin-bottom: 16px; }
.drop-zone:hover, .drop-zone.drag-over { border-color: var(--accent-primary); background: var(--accent-light); }
.drop-zone-icon { font-size: 36px; display: block; margin-bottom: 8px; }
.file-info { background: var(--bg-secondary); border-radius: var(--radius-md); padding: 12px; margin-bottom: 16px; }
.password-section { margin-top: 8px; }
.linking-code-input { display: flex; align-items: center; gap: 8px; justify-content: center; }
.code-input { width: 100px; text-align: center; font-family: var(--font-mono); font-size: 18px; letter-spacing: 2px; }
.code-dash { font-size: 20px; color: var(--text-tertiary); }

/* === QR === */
.qr-scan-container { text-align: center; }
.qr-video { width: 100%; max-width: 300px; border-radius: var(--radius-md); background: #000; margin-bottom: 12px; }

/* === OFFLINE BANNER === */
.offline-banner { position: fixed; top: 0; left: 0; right: 0; background: var(--warning); color: #000; text-align: center; padding: 8px; font-size: 14px; z-index: 9999; }

/* === RESPONSIVE === */
@media (max-width: 640px) {
  #menu-toggle { display: block; }
  #logo-link { font-size: 14px; }
  #search-container { display: none; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .form-row { flex-direction: column; gap: 0; }
  .mnemonic-grid { grid-template-columns: repeat(2, 1fr); }
  .totp-code { font-size: 24px; }
}

@media (min-width: 641px) and (max-width: 1024px) {
  #menu-toggle { display: block; }
  #sidebar { left: 0; width: var(--sidebar-collapsed); }
  #sidebar li a span:not(.badge) { display: none; }
  #sidebar.open { width: var(--sidebar-width); }
  #sidebar.open li a span { display: inline; }
  #content { margin-left: var(--sidebar-collapsed); }
  .cards-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1025px) {
  #sidebar { left: 0; width: var(--sidebar-width); }
  #content { margin-left: var(--sidebar-width); }
  .cards-grid { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
  .notes-list { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
}