/* ===== Golden Samples Tracker — based on MTL Lab Inventory design tokens ===== */
:root {
  --bg-primary: #FAFCFC;
  --bg-card: #FFFFFF;
  --text-primary: #0F1F2E;
  --text-secondary: #5C7480;
  --accent-primary: #2C7A7B;
  --accent-light: #5BCFC5;
  --bg-mint: #E8F7F5;
  --border-subtle: #E0EBEA;
  --border-strong: #C7D8D6;
  --shadow-card: 0 2px 8px rgba(92, 207, 197, 0.08);
  --shadow-search: 0 1px 3px rgba(0, 0, 0, 0.04);
  --shadow-tabbar: 0 4px 16px rgba(0, 0, 0, 0.06);
  --shadow-stat: 0 8px 24px rgba(44, 122, 123, 0.2);
  --radius-card: 16px;
  --radius-chip: 24px;
  --radius-pill: 36px;
  --radius-badge: 11px;
  --radius-input: 16px;
}

* { margin: 0; padding: 0; box-sizing: border-box; -webkit-tap-highlight-color: transparent; touch-action: manipulation; }

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: linear-gradient(135deg, #e8f0ef 0%, #f0f5f4 100%);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

/* ===== Phone Frame ===== */
.app-wrapper { display: flex; justify-content: center; }

.phone-frame {
  width: 375px;
  height: 812px;
  background: var(--bg-primary);
  border-radius: 40px;
  overflow: hidden;
  position: relative;
  box-shadow: 0 20px 60px rgba(0,0,0,0.15), 0 0 0 10px #1a1a1a, 0 0 0 11px #333;
}

/* ===== Screens ===== */
.screen {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  display: flex;
  flex-direction: column;
  background: var(--bg-primary);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
  z-index: 1;
}
.screen.active { opacity: 1; pointer-events: auto; z-index: 2; }

/* ===== Status Bar ===== */
.status-bar {
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px 0 24px;
  flex-shrink: 0;
}
.status-time { font-size: 15px; font-weight: 600; color: var(--text-primary); }
.status-icons { display: flex; gap: 6px; align-items: center; }

/* ===== Content Area ===== */
.content-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.content-area--scroll { overflow-y: auto; -webkit-overflow-scrolling: touch; }
.content-area--scroll::-webkit-scrollbar { width: 0; }

/* ===== Page Header ===== */
.page-header { padding: 2px 20px 4px; position: relative; display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.page-header-text { flex: 1; min-width: 0; }
.page-title { font-size: 24px; font-weight: 700; color: var(--text-primary); line-height: 1.2; }
.page-subtitle { font-size: 13px; font-weight: 400; color: var(--text-secondary); margin-top: 4px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ===== Search Bar ===== */
.search-bar { padding: 6px 16px 8px; }
.search-input {
  display: flex;
  align-items: center;
  gap: 10px;
  height: 44px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-input);
  padding: 0 14px;
  box-shadow: var(--shadow-search);
}
.search-icon { flex-shrink: 0; }
.search-input input {
  flex: 1;
  border: none;
  outline: none;
  font-size: 16px;
  font-weight: 400;
  font-family: inherit;
  color: var(--text-primary);
  background: transparent;
}
.search-input input::placeholder { color: var(--text-secondary); }

/* ===== Filter Chips ===== */
.filter-chips {
  display: flex;
  gap: 8px;
  padding: 0 16px 6px;
  overflow-x: auto;
  -ms-overflow-style: none;
  scrollbar-width: none;
}
.filter-chips::-webkit-scrollbar { display: none; }
.chip {
  height: 32px;
  padding: 0 14px;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-chip);
  background: var(--bg-card);
  font-size: 13px;
  font-weight: 500;
  font-family: inherit;
  color: var(--text-secondary);
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.15s ease;
}
.chip--active {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  color: #FFFFFF;
  font-weight: 600;
}
.chip--danger { color: #DC2626; border-color: rgba(239, 68, 68, 0.35); }
.chip--danger.chip--active { background: #DC2626; border-color: #DC2626; color: #FFFFFF; }

/* ===== Item List ===== */
.item-list {
  flex: 1;
  padding: 4px 16px 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  overflow-y: auto;
  -ms-overflow-style: none;
  scrollbar-width: none;
}
.item-list::-webkit-scrollbar { display: none; }

/* ===== Item Card ===== */
.item-card {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--bg-card);
  border-radius: var(--radius-card);
  padding: 14px;
  box-shadow: var(--shadow-card);
  cursor: pointer;
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}
.item-card:active { transform: scale(0.98); }
.item-icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: var(--bg-mint);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.card-content { flex: 1; display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.card-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.card-id-row { display: flex; justify-content: space-between; align-items: center; }
.card-id { font-size: 12px; font-weight: 500; font-family: 'JetBrains Mono', monospace; color: var(--text-secondary); }
.status-badge {
  display: flex;
  align-items: center;
  gap: 4px;
  height: 22px;
  padding: 0 8px;
  border-radius: var(--radius-badge);
  background: var(--bg-mint);
}
.status-dot { width: 6px; height: 6px; border-radius: 3px; background: var(--accent-light); }
.status-badge-text { font-size: 11px; font-weight: 500; color: var(--accent-primary); }

/* Lifecycle badge colors: active = teal, inactive = gray */
.status-badge--active { background: var(--bg-mint); }
.status-badge--active .status-dot { background: var(--accent-light); }
.status-badge--active .status-badge-text { color: var(--accent-primary); }
.status-badge--inactive { background: #F3F4F6; }
.status-badge--inactive .status-dot { background: #9CA3AF; }
.status-badge--inactive .status-badge-text { color: #6B7280; }
.card-meta { font-size: 12px; font-weight: 400; color: var(--text-secondary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.card-meta .meta-due { color: var(--accent-primary); font-weight: 600; }
.card-meta .meta-due--urgent { color: #DC2626; }

/* ===== No Results ===== */
.no-results {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  gap: 12px;
  color: var(--text-secondary);
}
.no-results svg { opacity: 0.4; }
.no-results p { font-size: 15px; font-weight: 500; }
.no-results span { font-size: 13px; }

/* ===== Nav Bar (Detail) ===== */
.nav-bar {
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  flex-shrink: 0;
}
.back-btn {
  display: flex;
  align-items: center;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 15px;
  font-weight: 400;
  font-family: inherit;
  color: var(--text-primary);
}
.nav-item-id { font-size: 14px; font-weight: 600; font-family: 'JetBrains Mono', monospace; color: var(--text-secondary); padding-right: 52px; }

/* ===== Detail Content ===== */
.detail-scroll { padding: 8px 20px 20px; display: flex; flex-direction: column; gap: 16px; }
.detail-hero {
  width: 100%;
  height: 120px;
  border-radius: 20px;
  background: var(--bg-mint);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.detail-hero-circle {
  width: 72px; height: 72px;
  border-radius: 50%;
  border: 2px solid var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
}
.detail-hero-check { color: var(--accent-light); }
.detail-name { font-size: 22px; font-weight: 700; color: var(--text-primary); line-height: 1.3; }
.badge-row { display: flex; gap: 8px; flex-wrap: wrap; }
.cat-badge {
  height: 28px;
  padding: 0 12px;
  border-radius: 14px;
  background: var(--bg-mint);
  display: flex;
  align-items: center;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent-primary);
}
.status-badge-detail {
  height: 28px;
  padding: 0 12px;
  border-radius: 14px;
  background: var(--accent-light);
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 13px;
  font-weight: 600;
  color: #FFFFFF;
}
.status-badge-detail .status-dot { background: #FFFFFF; width: 7px; height: 7px; border-radius: 3.5px; }
.status-badge-detail--active { background: var(--accent-light); }
.status-badge-detail--inactive { background: #9CA3AF; }

/* ===== Info Card ===== */
.info-card {
  background: var(--bg-card);
  border-radius: var(--radius-card);
  padding: 4px 16px;
  box-shadow: var(--shadow-card);
}
.info-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
}
.info-label { font-size: 14px; font-weight: 400; color: var(--text-secondary); }
.info-value { font-size: 14px; font-weight: 600; color: var(--text-primary); }
.info-value-mono { font-family: 'JetBrains Mono', monospace; }
.info-sep { height: 1px; background: var(--border-subtle); }

/* ===== Dashboard ===== */
.dashboard-scroll { padding: 8px 20px 20px; display: flex; flex-direction: column; gap: 16px; }
.big-stat-card {
  background: var(--accent-primary);
  border-radius: 20px;
  padding: 20px;
  box-shadow: var(--shadow-stat);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}
.big-stat-num { font-size: 40px; font-weight: 800; color: #FFFFFF; line-height: 1.1; }
.big-stat-label { font-size: 14px; font-weight: 400; color: #FFFFFF; opacity: 0.8; margin-top: 6px; }
.stat-row { display: flex; gap: 12px; }
.stat-card-small {
  flex: 1;
  background: var(--bg-card);
  border-radius: var(--radius-card);
  padding: 16px;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}
.stat-card-small--alert { border: 1.5px solid rgba(239, 68, 68, 0.35); }
.stat-card-num { font-size: 28px; font-weight: 700; color: var(--accent-primary); }
.stat-card-num--alert { color: #DC2626; }
.stat-card-label { font-size: 12px; font-weight: 400; color: var(--text-secondary); margin-top: 4px; }
.category-card {
  background: var(--bg-card);
  border-radius: var(--radius-card);
  padding: 16px 16px 8px;
  box-shadow: var(--shadow-card);
}
.category-title { font-size: 16px; font-weight: 600; color: var(--text-primary); margin-bottom: 4px; }
.cat-row { padding: 10px 0; }
.cat-row-top { display: flex; justify-content: space-between; align-items: center; }
.cat-name { font-size: 14px; font-weight: 500; color: var(--text-primary); }
.cat-count { font-size: 13px; font-weight: 600; color: var(--accent-primary); }
.progress-bar { width: 100%; height: 6px; border-radius: 3px; background: var(--bg-mint); margin-top: 6px; overflow: hidden; }
.progress-fill { height: 6px; border-radius: 3px; background: var(--accent-light); transition: width 0.4s ease; }

/* ===== Due Follow-up (Dashboard section + detail) ===== */
.calibration-card { padding: 16px 16px 8px; }
.calib-empty { padding: 16px 4px; font-size: 13px; color: var(--text-secondary); text-align: center; }
.calib-row {
  display: flex; align-items: flex-start; gap: 10px;
  padding: 12px 0; border-bottom: 1px solid var(--border-subtle);
  cursor: pointer;
}
.calib-row:last-child { border-bottom: none; }
.calib-row:active { opacity: 0.7; }
.calib-dot { width: 9px; height: 9px; border-radius: 50%; margin-top: 5px; flex-shrink: 0; }
.calib-body { flex: 1; min-width: 0; }
.calib-name { font-size: 14px; font-weight: 600; color: var(--text-primary); }
.calib-row--urgent .calib-name { color: #B91C1C; }
.calib-meta { font-size: 12px; color: var(--text-secondary); margin-top: 2px; }
.calib-days { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin-top: 6px; font-size: 12.5px; }
.calib-since { color: var(--text-secondary); font-weight: 500; }
.calib-sep { color: var(--text-secondary); }
.calib-until { color: var(--accent-primary); font-weight: 700; }
.calib-until--urgent { color: #EF4444; }

/* Date fields in add/edit forms */
.calib-fields { display: none; flex-direction: column; gap: 12px; }

/* Segmented date input (YYYY - MM - DD) */
.date-seg { display: flex; align-items: center; gap: 6px; }
.date-seg-input {
  flex: 1; min-width: 0;
  text-align: center;
  padding-left: 8px; padding-right: 8px;
}
.date-seg-input[data-part="year"] { flex: 1.35; }
.date-seg-sep { color: var(--text-secondary); font-weight: 600; font-size: 16px; }

/* Due info in detail view */
.calib-detail {
  background: var(--bg-card); border-radius: var(--radius-card);
  padding: 14px 16px; margin-top: 12px; box-shadow: var(--shadow-card);
  border: 1px solid var(--border-subtle);
}
.calib-detail--urgent { border-color: rgba(239, 68, 68, 0.4); background: #FFF6F6; }
.calib-detail-title { display: flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 700; color: var(--text-primary); margin-bottom: 10px; }
.calib-detail-dot { width: 9px; height: 9px; border-radius: 50%; }
.calib-detail-row { display: flex; justify-content: space-between; font-size: 13px; padding: 5px 0; }
.calib-detail-row > span:first-child { color: var(--text-secondary); }
.calib-detail-row > span:last-child { color: var(--text-primary); font-weight: 600; text-align: right; }
.calib-detail-urgent { color: #EF4444 !important; font-weight: 700 !important; }

/* ===== Add Form ===== */
.add-form { padding: 8px 20px 20px; display: flex; flex-direction: column; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-label { font-size: 13px; font-weight: 600; color: var(--text-secondary); padding-left: 4px; }
.form-input, .form-select {
  height: 44px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-input);
  padding: 0 14px;
  font-size: 16px;
  font-weight: 500;
  font-family: inherit;
  color: var(--text-primary);
  outline: none;
}
.form-input::placeholder { color: #B0C0BE; font-weight: 400; }
.form-input:focus, .form-select:focus { border-color: var(--accent-light); }

/* Combobox (input + datalist with dropdown arrow) */
.combobox-wrapper { position: relative; }
.combobox-input { width: 100%; padding-right: 36px; box-sizing: border-box; }
.combobox-arrow {
  position: absolute; right: 14px; top: 50%; transform: translateY(-50%);
  color: var(--text-secondary); font-size: 14px; pointer-events: none;
}
.combobox-input:focus + .combobox-arrow { color: var(--accent-light); }
.form-submit {
  height: 50px;
  background: var(--accent-primary);
  border: none;
  border-radius: var(--radius-input);
  font-size: 16px;
  font-weight: 600;
  font-family: inherit;
  color: #FFFFFF;
  cursor: pointer;
  margin-top: 8px;
  transition: opacity 0.15s;
}
.form-submit:active { opacity: 0.85; }
.form-submit--danger {
  background: #EB5757;
  margin-top: 4px;
}
.form-submit--danger:active { opacity: 0.85; }
.form-textarea {
  min-height: 80px;
  height: auto;
  padding: 12px 14px;
  resize: vertical;
  line-height: 1.5;
}
.form-textarea::placeholder { color: #B0C0BE; font-weight: 400; }

/* ===== Detail Action Buttons ===== */
.detail-actions {
  display: flex;
  gap: 10px;
  margin-top: 4px;
}
.btn-edit, .btn-delete {
  flex: 1;
  height: 48px;
  border: none;
  border-radius: var(--radius-input);
  font-size: 15px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: opacity 0.15s;
}
.btn-edit {
  background: var(--accent-primary);
  color: #FFFFFF;
}
.btn-edit:active { opacity: 0.85; }
.btn-delete {
  background: var(--bg-card);
  border: 1.5px solid rgba(235, 87, 87, 0.3);
  color: #EB5757;
}
.btn-delete:active { opacity: 0.85; }

/* ===== Toast ===== */
.toast {
  position: absolute;
  bottom: 100px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--text-primary);
  color: #FFFFFF;
  padding: 12px 24px;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 500;
  z-index: 100;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease;
  white-space: nowrap;
  box-shadow: 0 8px 24px rgba(0,0,0,0.2);
}
.toast--show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ===== Confirm Overlay ===== */
.confirm-overlay {
  position: absolute;
  inset: 0;
  background: rgba(15, 31, 46, 0.4);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}
.confirm-overlay--show { opacity: 1; pointer-events: auto; }
.confirm-dialog {
  background: var(--bg-card);
  border-radius: 20px;
  padding: 24px;
  width: 280px;
  text-align: center;
  transform: scale(0.9);
  transition: transform 0.2s ease;
}
.confirm-overlay--show .confirm-dialog { transform: scale(1); }
.confirm-title { font-size: 18px; font-weight: 700; color: var(--text-primary); margin-bottom: 6px; }
.confirm-msg { font-size: 14px; color: var(--text-secondary); line-height: 1.5; margin-bottom: 20px; }
.confirm-actions { display: flex; gap: 10px; }
.confirm-cancel {
  flex: 1;
  height: 44px;
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  font-size: 14px;
  font-weight: 600;
  font-family: inherit;
  color: var(--text-primary);
  cursor: pointer;
}
.confirm-ok {
  flex: 1;
  height: 44px;
  background: #EB5757;
  border: none;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 600;
  font-family: inherit;
  color: #FFFFFF;
  cursor: pointer;
}

/* ===== Reset Button ===== */
.btn-reset {
  width: 100%;
  height: 48px;
  background: var(--bg-card);
  border: 1.5px solid rgba(235, 87, 87, 0.2);
  border-radius: var(--radius-card);
  font-size: 14px;
  font-weight: 600;
  font-family: inherit;
  color: #EB5757;
  cursor: pointer;
  margin-top: 10px;
}
.btn-reset:active { opacity: 0.85; }

/* ===== Settings ===== */
.settings-list { padding: 8px 20px 20px; display: flex; flex-direction: column; gap: 10px; }
.settings-card {
  background: var(--bg-card);
  border-radius: var(--radius-card);
  padding: 4px 16px;
  box-shadow: var(--shadow-card);
}
.settings-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 0;
}
.settings-label { font-size: 15px; font-weight: 500; color: var(--text-primary); }
.settings-value { font-size: 14px; font-weight: 400; color: var(--text-secondary); }
.settings-sep { height: 1px; background: var(--border-subtle); }

/* ===== Tab Bar ===== */
.tab-bar {
  height: 83px;
  padding: 12px 21px 21px;
  background: var(--bg-primary);
  flex-shrink: 0;
}
.tab-pill {
  display: flex;
  height: 50px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-pill);
  padding: 4px;
  box-shadow: var(--shadow-tabbar);
}
.tab {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  border-radius: 26px;
  cursor: pointer;
  transition: background 0.15s ease;
}
.tab--active { background: var(--accent-primary); }
.tab-icon { width: 18px; height: 18px; }
.tab-label { font-size: 9px; font-weight: 600; letter-spacing: 0.5px; color: var(--text-secondary); }
.tab--active .tab-label { color: #FFFFFF; }

/* ===== MBG Logo (inside the page-header: right side, level with the page title) ===== */
.mbg-logo {
  flex-shrink: 0;
  align-self: flex-start;
  height: 32px;      /* ~ same height as the 24px page title line */
  width: auto;
  margin-top: -2px;  /* optical alignment with the title's cap line */
  opacity: 0.95;
  pointer-events: none;
  display: block;
}
@media (min-width: 768px) {
  .mbg-logo { height: 38px; margin-top: -2px; }
}

/* ===== Dashboard: clickable stat cards & brand rows ===== */
.stat-card-small { cursor: pointer; transition: transform 0.12s ease, box-shadow 0.12s ease; }
.stat-card-small:active { transform: scale(0.97); opacity: 0.85; }
.big-stat-card { cursor: pointer; }
.big-stat-card:active { opacity: 0.9; }
.cat-row { cursor: pointer; border-radius: 8px; }
.cat-row:active { opacity: 0.7; }

/* ===== Deep filter banner (arriving from Dashboard / brand clicks) ===== */
.filter-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  background: var(--bg-mint);
  border: 1px solid var(--accent-light);
  border-radius: 12px;
  padding: 10px 12px;
  margin-bottom: 12px;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent-primary);
}
.filter-banner-count { font-weight: 500; color: var(--text-secondary); margin-left: 6px; }
.filter-banner-clear {
  border: none;
  background: var(--accent-primary);
  color: #FFFFFF;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  font-size: 12px;
  line-height: 1;
  cursor: pointer;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.filter-banner-clear:active { opacity: 0.8; }

/* ===== Detail: clickable brand badge ===== */
.cat-badge--link { cursor: pointer; }
.cat-badge--link:active { opacity: 0.7; }

/* ===== Sync Indicator (inline chip on the subtitle line of the Search screen) ===== */
.sync-indicator {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 10px;
  font-weight: 600;
  color: var(--text-secondary);
  background: rgba(255,255,255,0.9);
  border: 1px solid var(--border-subtle);
  padding: 3px 8px;
  border-radius: 10px;
  margin-right: 8px;
  vertical-align: 2px;
  transition: opacity 0.3s ease;
}
.sync-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
  transition: background 0.3s ease;
}
.sync-dot--online {
  background: #34D399;
  box-shadow: 0 0 5px rgba(52, 211, 153, 0.5);
}
.sync-dot--connecting {
  background: #FBBF24;
  animation: sync-pulse 1s ease-in-out infinite;
}
.sync-dot--offline {
  background: #EF4444;
  box-shadow: 0 0 5px rgba(239, 68, 68, 0.4);
}
.sync-dot--local {
  background: #9CA3AF;
}
@keyframes sync-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

/* ===== Sync Info Card (Settings) ===== */
.sync-info-card {
  background: var(--bg-mint);
  border-radius: var(--radius-card);
  padding: 16px;
  margin-bottom: 16px;
}
.sync-info-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--accent-primary);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.sync-info-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 0;
  font-size: 13px;
}
.sync-info-label { color: var(--text-secondary); }
.sync-info-value { color: var(--text-primary); font-weight: 500; }

/* ===== Export / Import Buttons ===== */
.btn-export, .btn-import {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 12px 16px;
  border-radius: var(--radius-input);
  font-size: 13px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all 0.15s ease;
  font-family: inherit;
}
.btn-export {
  background: var(--accent-primary);
  color: #FFFFFF;
}
.btn-export:hover {
  background: #236A6B;
  transform: translateY(-1px);
}
.btn-import {
  background: var(--bg-mint);
  color: var(--accent-primary);
  border: 1.5px solid var(--accent-light);
}
.btn-import:hover {
  background: #D4F0EC;
  transform: translateY(-1px);
}

/* ================================================================
   RESPONSIVE LAYOUT
   ================================================================ */

/* ===== Mobile: Remove phone frame, true full-screen ===== */
@media (max-width: 767px) {
  html, body {
    overflow: hidden;
    height: 100vh;
    height: 100dvh;
    min-height: 0;
  }
  body {
    padding: 0;
    background: var(--bg-primary);
    display: block;
  }
  .app-wrapper { width: 100%; height: 100%; }
  .phone-frame {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    height: 100dvh;
    border-radius: 0;
    box-shadow: none;
  }
  .status-bar { display: none; }
  .screen {
    top: env(safe-area-inset-top);
    height: calc(100% - env(safe-area-inset-top));
  }
  .tab-bar {
    padding-bottom: max(21px, env(safe-area-inset-bottom));
  }
  /* Prevent iOS auto-zoom on input focus (font-size must be >= 16px) */
  .search-input input,
  .form-input, .form-select, .combobox-input, .form-textarea,
  .form-submit, .btn-export, .btn-import, .btn-reset,
  .confirm-cancel, .confirm-ok {
    font-size: 16px;
  }
}

/* ===== Desktop / Tablet: Full-width layout with sidebar nav ===== */
@media (min-width: 768px) {
  body {
    padding: 0;
    background: linear-gradient(135deg, #e8f0ef 0%, #f0f5f4 100%);
    align-items: stretch;
  }
  .app-wrapper { width: 100%; min-height: 100vh; }
  .phone-frame {
    width: 100%;
    max-width: 1400px;
    height: 100vh;
    border-radius: 0;
    box-shadow: none;
    margin: 0 auto;
  }
  .status-bar { display: none; }

  /* --- Convert bottom tab bar → left sidebar --- */
  .tab-bar {
    position: fixed;
    left: 0; top: 0;
    width: 88px;
    height: 100vh;
    padding: 24px 12px;
    background: var(--bg-card);
    border-right: 1px solid var(--border-subtle);
    box-shadow: 2px 0 12px rgba(0,0,0,0.04);
    z-index: 50;
  }
  .tab-pill {
    flex-direction: column;
    height: auto;
    width: 100%;
    border-radius: 20px;
    padding: 4px;
    gap: 4px;
  }
  .tab {
    width: 100%;
    padding: 16px 0;
    border-radius: 16px;
  }
  .tab-icon { width: 22px; height: 22px; }
  .tab-label { font-size: 10px; }

  /* --- Shift screens right for sidebar --- */
  .screen {
    left: 88px;
    width: calc(100% - 88px);
  }

  /* --- Wider content padding --- */
  .page-header { padding: 12px 40px 4px; }
  .search-bar { padding: 6px 40px 8px; }
  .filter-chips { padding: 0 40px 6px; }
  .item-list { padding: 4px 40px 24px; }
  .nav-bar { padding: 0 40px; }
  .detail-scroll { padding: 8px 40px 40px; max-width: 720px; margin: 0 auto; }
  .dashboard-scroll { padding: 8px 40px 40px; max-width: 960px; margin: 0 auto; }
  .add-form { padding: 8px 40px 40px; max-width: 720px; margin: 0 auto; }
  .settings-list { padding: 8px 40px 40px; max-width: 720px; margin: 0 auto; }

  /* --- Multi-column item list --- */
  .item-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 12px;
    align-content: start;
  }

  /* --- Dashboard: two-column grid --- */
  .dashboard-scroll {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    align-content: start;
  }
  .dashboard-scroll > .big-stat-card { grid-column: 1 / -1; }
  .dashboard-scroll > .category-card { grid-column: 1 / -1; }

  /* --- Detail hero wider --- */
  .detail-hero { height: 160px; border-radius: 24px; }

  /* --- Toast position --- */
  .toast { bottom: 40px; left: calc(50% + 44px); }

  /* --- Confirm overlay covers content area only --- */
  .confirm-overlay { left: 88px; width: calc(100% - 88px); }

  /* --- Item card hover effect --- */
  .item-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(44, 122, 123, 0.12);
  }
}

/* ===== Large desktop: 3-column item list ===== */
@media (min-width: 1100px) {
  .item-list {
    grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  }
}

/* ===== Login Overlay ===== */
.login-overlay {
  position: fixed;
  inset: 0;
  z-index: 400;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: linear-gradient(135deg, #e8f0ef 0%, #f0f5f4 100%);
}
.login-card {
  width: 100%;
  max-width: 380px;
  background: #ffffff;
  border-radius: 20px;
  padding: 34px 28px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.14);
  text-align: center;
  box-sizing: border-box;
}
.login-logo { height: 44px; width: auto; margin-bottom: 10px; }
.login-title { font-size: 22px; font-weight: 800; color: var(--text-primary); margin: 0; }
.login-subtitle { font-size: 13px; color: var(--text-secondary); margin: 6px 0 24px; }
.login-field { text-align: left; margin-bottom: 16px; }
.login-field label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
}
.login-field input {
  width: 100%;
  padding: 12px 14px;
  font-size: 16px;
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  box-sizing: border-box;
  background: #fbfdfd;
  color: var(--text-primary);
}
.login-field input:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(44, 122, 123, 0.12);
}
.login-error { min-height: 18px; font-size: 13px; color: #DC2626; margin-bottom: 8px; text-align: left; }
.login-btn {
  width: 100%;
  padding: 13px;
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  background: var(--accent-primary);
  border: none;
  border-radius: 10px;
  cursor: pointer;
  transition: opacity 0.15s ease;
}
.login-btn:active { opacity: 0.88; }
.login-btn:disabled { opacity: 0.6; cursor: default; }
.login-hint { font-size: 11px; color: var(--text-secondary); margin: 16px 0 0; }