:root {
  --gold: #C49A2A;
  --gold-light: #D4AF37;
  --gold-muted: rgba(196, 154, 42, 0.08);
  --gold-border: rgba(196, 154, 42, 0.18);
  --bg: #FAFAFA;
  --surface: #FFFFFF;
  --border: #EBEBEB;
  --text: #1A1A1A;
  --text-secondary: #888888;
  --danger: #D94F4F;
  --danger-bg: #FFF5F5;
  --danger-border: #FDD;
  --warn-bg: #FFFBF0;
  --warn-border: #F0DDA0;
  --success: #2E9E5A;
  --radius: 10px;
  --radius-lg: 14px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.04);
  --shadow: 0 2px 8px rgba(0,0,0,0.06);
}

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

body {
  font-family: "Noto Sans SC", -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text);
  background: var(--bg);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* ── Auth page ── */
.auth-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: var(--bg);
}

.auth-card {
  width: 100%;
  max-width: 380px;
  padding: 40px 32px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.auth-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
}

.auth-logo h1 {
  font-size: 22px;
  font-weight: 700;
}

.auth-subtitle {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.auth-tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 20px;
  padding: 3px;
  background: var(--bg);
  border-radius: 8px;
}

.auth-tab {
  flex: 1;
  padding: 9px 0;
  border: none;
  background: none;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

.auth-tab.active {
  background: var(--surface);
  color: var(--text);
  box-shadow: var(--shadow-sm);
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.form-field label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
}

.form-field input {
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  outline: none;
  transition: border-color 0.15s;
}

.form-field input:focus {
  border-color: var(--gold);
}

.remember-me {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-secondary);
  cursor: pointer;
}

.remember-me input[type="checkbox"] {
  accent-color: var(--gold);
  width: 15px;
  height: 15px;
  cursor: pointer;
}

.form-error {
  font-size: 13px;
  color: var(--danger);
  margin: 0;
}

.auth-submit {
  margin-top: 4px;
  width: 100%;
  padding: 11px 0;
}

/* ── Topbar ── */
.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 0 28px;
  height: 56px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-icon {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  border-radius: 50%;
}

.topbar-title {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.topbar-nav {
  display: flex;
  gap: 4px;
  margin-left: 16px;
}

.nav-item {
  position: relative;
  border: none;
  background: none;
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  border-radius: 6px;
  transition: color 0.15s, background 0.15s;
}

.nav-item:hover:not(:disabled) { color: var(--text); background: var(--gold-muted); }
.nav-item.active { color: var(--gold); font-weight: 600; }
.nav-item:disabled { opacity: 0.4; cursor: default; }

.nav-badge {
  position: absolute;
  top: 4px;
  right: 4px;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  border-radius: 9px;
  background: var(--danger);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

.topbar-right {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-secondary);
}

.topbar-sep {
  width: 1px;
  height: 16px;
  background: var(--border);
  margin: 0 4px;
}

.user-display {
  font-weight: 500;
  color: var(--text);
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--text-secondary);
  transition: background 0.3s;
}

.status-dot.ok { background: var(--success); }
.status-dot.error { background: var(--danger); }
.status-dot.busy { background: var(--gold); animation: pulse 1.2s infinite; }

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

/* ── Views ── */
.view { padding: 32px 28px 56px; }
.view-center { max-width: 780px; margin: 0 auto; }
.view-wide { max-width: 1100px; margin: 0 auto; }
.view-full { max-width: 100%; margin: 0; }

.page-heading { margin-bottom: 24px; }
.page-heading h2 { font-size: 22px; font-weight: 700; line-height: 1.3; }
.page-heading p { margin-top: 6px; font-size: 14px; color: var(--text-secondary); }

/* ── Dropzone ── */
.dropzone {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 200px;
  padding: 32px;
  border: 1.5px dashed var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
}

.dropzone:hover, .dropzone.dragover { border-color: var(--gold); background: var(--gold-muted); }
.dropzone input { display: none; }
.dropzone-icon { color: var(--gold); opacity: 0.7; }
.dropzone-title { font-size: 15px; font-weight: 600; color: var(--text); }
.dropzone-hint { font-size: 13px; color: var(--text-secondary); }

/* ── Section bar ── */
.section-bar { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 14px; }
.section-info { font-size: 14px; font-weight: 600; color: var(--text-secondary); }
.section-actions { display: flex; gap: 8px; align-items: center; }

/* ── Queue / Preview ── */
.queue-section { margin-top: 24px; }

.preview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 12px;
}

.preview-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

.preview-img-wrap {
  position: relative;
  overflow: hidden;
}

.preview-image {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background: #f5f5f5;
}

/* ── Scan overlay animation ── */
.scan-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.25);
  overflow: hidden;
}

.scan-line {
  position: absolute;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--gold), var(--gold-light), var(--gold), transparent);
  box-shadow: 0 0 12px var(--gold), 0 0 24px rgba(196, 154, 42, 0.4);
  animation: scanMove 1.4s ease-in-out infinite;
}

@keyframes scanMove {
  0% { top: 0; }
  50% { top: calc(100% - 3px); }
  100% { top: 0; }
}

.scan-done-overlay {
  position: absolute;
  inset: 0;
  background: rgba(46, 158, 90, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
}

.scan-error .preview-img-wrap::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(217, 79, 79, 0.3);
}

.preview-meta { padding: 8px 10px; }
.preview-name { font-size: 12px; font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.preview-size { font-size: 11px; color: var(--text-secondary); margin-top: 2px; }

.delete-chip {
  position: absolute;
  top: 6px;
  right: 6px;
  width: 24px;
  height: 24px;
  border: none;
  border-radius: 50%;
  background: rgba(0,0,0,0.5);
  color: #fff;
  font-size: 16px;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.15s;
}

.preview-card:hover .delete-chip { opacity: 1; }

/* ── Buttons ── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 9px 20px;
  border: none;
  border-radius: 8px;
  background: var(--gold);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, transform 0.1s;
}

.btn-primary:hover { background: var(--gold-light); }
.btn-primary:active { transform: scale(0.98); }
.btn-primary:disabled { opacity: 0.5; cursor: default; }

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 9px 20px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  transition: border-color 0.15s;
}

.btn-outline:hover { border-color: var(--gold); }

.btn-text {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  border: none;
  border-radius: 6px;
  background: none;
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  transition: color 0.15s, background 0.15s;
}

.btn-text:hover { color: var(--text); background: rgba(0,0,0,0.04); }
.btn-danger { color: var(--danger); }
.btn-danger:hover { color: var(--danger); background: var(--danger-bg); }
.disabled-link { pointer-events: none; opacity: 0.4; }

/* ── Alert bar ── */
.alert-bar {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 16px;
  border-radius: var(--radius);
  margin-bottom: 16px;
  font-size: 13px;
  line-height: 1.6;
}

.alert-bar svg { flex-shrink: 0; margin-top: 1px; }
.alert-warn { background: var(--warn-bg); border: 1px solid var(--warn-border); color: #7A6520; }
.alert-warn svg { stroke: #B8941D; }
.alert-bar p { margin: 0; }
.alert-bar p + p { margin-top: 4px; }

/* ── Result toolbar ── */
.result-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.subtotal { display: flex; align-items: baseline; gap: 10px; }
.subtotal span { font-size: 13px; color: var(--text-secondary); }
.subtotal strong { font-size: 20px; font-weight: 700; color: var(--gold); }
.result-actions { display: flex; gap: 8px; align-items: center; }

/* ── Table ── */
.table-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: auto;
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { padding: 11px 14px; text-align: left; border-bottom: 1px solid var(--border); }
th { position: sticky; top: 0; background: #FAFAFA; font-weight: 600; font-size: 12px; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.03em; }
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background: rgba(196, 154, 42, 0.03); }


/* ── Editable cells ── */
.cell-input {
  width: 100%;
  min-width: 60px;
  padding: 5px 8px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-size: 13px;
  background: transparent;
  transition: border-color 0.15s, background 0.15s;
}

.cell-input:hover { border-color: var(--border); background: var(--bg); }
.cell-input:focus { border-color: var(--gold); background: var(--surface); outline: none; }
.cell-wide { min-width: 120px; }
.cell-num { min-width: 60px; max-width: 80px; text-align: right; }
.cell-readonly { color: var(--text-secondary); font-size: 12px; }

.btn-del-row {
  padding: 4px 8px;
  font-size: 12px;
}

/* ── Row status tags ── */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
  white-space: nowrap;
}

.tag-ok { background: #EEFBF3; color: var(--success); }
.tag-dup { background: var(--danger-bg); color: var(--danger); }
.tag-warn { background: var(--warn-bg); color: #8B6E14; }

/* ── Stats row ── */
.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 24px;
}

.stat-card {
  padding: 16px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
}

.stat-card span { display: block; font-size: 12px; color: var(--text-secondary); margin-bottom: 6px; }
.stat-card strong { font-size: 20px; font-weight: 700; }
.stat-filter select { width: 100%; padding: 6px 8px; border: 1px solid var(--border); border-radius: 6px; font-size: 13px; background: var(--bg); }

/* ── History list ── */
.history-list { display: grid; gap: 8px; margin-bottom: 24px; }

.history-item {
  padding: 14px 16px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
  transition: border-color 0.15s;
}

.history-item:hover { border-color: var(--gold-border); }
.history-item.selected { border-color: var(--gold); box-shadow: 0 0 0 1px var(--gold); }

.history-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.history-title { font-size: 14px; font-weight: 600; }
.history-time { font-size: 12px; color: var(--text-secondary); margin-top: 2px; }
.history-actions { display: flex; gap: 2px; }

.history-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.history-tags span { padding: 3px 10px; border-radius: 4px; background: var(--gold-muted); color: var(--gold); font-size: 12px; font-weight: 600; }

.history-detail { margin-top: 24px; padding-top: 24px; border-top: 1px solid var(--border); }

/* ── Empty state ── */
.empty-state {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 120px;
  color: var(--text-secondary);
  font-size: 14px;
}

/* ── Column settings ── */
.col-settings-wrap {
  position: relative;
}

.col-settings-panel {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 6px;
  width: 200px;
  padding: 12px 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 8px 24px rgba(0,0,0,0.1);
  z-index: 50;
}

.col-settings-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 8px;
}

.col-checkboxes {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.col-checkboxes label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  cursor: pointer;
  padding: 4px 0;
}

.col-checkboxes input[type="checkbox"] {
  accent-color: var(--gold);
  width: 15px;
  height: 15px;
  cursor: pointer;
}

/* ── Scan Arena ── */
.scan-arena {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

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

.arena-title {
  font-size: 15px;
  font-weight: 600;
}

.arena-count {
  font-size: 14px;
  color: var(--text-secondary);
  font-variant-numeric: tabular-nums;
}

.arena-track {
  width: 100%;
  height: 4px;
  border-radius: 2px;
  background: var(--border);
  overflow: hidden;
}

.arena-fill {
  height: 100%;
  width: 0%;
  border-radius: 2px;
  background: var(--gold);
  transition: width 0.5s ease;
}

/* ── Horizontal flow (left to right) ── */
.arena-flow {
  display: flex;
  align-items: center;
  gap: 0;
  padding: 16px 0;
  overflow-x: auto;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.arena-flow::-webkit-scrollbar { display: none; }

/* ── Card ── */
.arena-card {
  position: relative;
  border-radius: 10px;
  overflow: hidden;
  flex-shrink: 0;
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  transform-origin: center center;
}

/* Pending */
.arena-card.is-pending {
  width: 64px;
  height: 48px;
  opacity: 0.35;
  filter: grayscale(0.9);
  border: 1px solid var(--border);
  margin: 0 3px;
}

/* Scanning */
.arena-card.is-scanning {
  width: 280px;
  height: 200px;
  opacity: 1;
  filter: none;
  border: 2px solid var(--gold);
  box-shadow: 0 6px 28px rgba(196, 154, 42, 0.2);
  margin: 0 16px;
  z-index: 2;
}

/* Done */
.arena-card.is-done {
  width: 80px;
  height: 60px;
  opacity: 1;
  filter: none;
  border: 2px solid var(--success);
  margin: 0 3px;
}

/* Error */
.arena-card.is-error {
  width: 80px;
  height: 60px;
  opacity: 0.65;
  filter: none;
  border: 2px solid var(--danger);
  margin: 0 3px;
}

.arena-card img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Laser */
.arena-card .card-laser {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.1);
  overflow: hidden;
  pointer-events: none;
}

.arena-card .card-laser-line {
  position: absolute;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--gold) 25%, var(--gold-light) 50%, var(--gold) 75%, transparent);
  box-shadow: 0 0 18px var(--gold), 0 0 36px rgba(196, 154, 42, 0.3);
  animation: laserSweep 1.2s ease-in-out infinite;
}

@keyframes laserSweep {
  0%   { top: -3px; }
  50%  { top: 100%; }
  100% { top: -3px; }
}

/* Badge */
.arena-card .card-badge {
  position: absolute;
  bottom: 4px;
  right: 4px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}

.arena-card.is-done .card-badge { background: var(--success); }
.arena-card.is-error .card-badge { background: var(--danger); }
.arena-card .card-badge svg { width: 12px; height: 12px; }

/* Scanning info overlay */
.arena-card .card-info {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 20px 12px 10px;
  background: linear-gradient(transparent, rgba(0,0,0,0.5));
  color: #fff;
  pointer-events: none;
}

.arena-card .card-info-status {
  font-size: 13px;
  font-weight: 600;
  color: var(--gold-light);
}

/* ── Arena done ── */
.arena-done {
  display: flex;
  gap: 12px;
  justify-content: center;
  padding: 16px 0;
  animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* ── Bank account management ── */
.bank-account-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 16px;
}

.bank-account-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.bank-account-item .ba-name {
  font-weight: 600;
  font-size: 14px;
  min-width: 60px;
}

.bank-account-item .ba-account {
  flex: 1;
  font-size: 14px;
  font-variant-numeric: tabular-nums;
  color: var(--text);
}

.bank-account-item .ba-bank {
  font-size: 13px;
  color: var(--text-secondary);
  min-width: 80px;
}

.bank-form {
  padding: 14px 0;
}

.bank-form-row {
  display: flex;
  gap: 8px;
  align-items: center;
}

.bank-input {
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  outline: none;
  flex: 1;
  min-width: 0;
  transition: border-color 0.15s;
}

.bank-input:focus { border-color: var(--gold); }
.bank-input-wide { flex: 2; }

/* ── Bank popover ── */
.bank-popover-wrap {
  position: relative;
}

.bank-popover {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 6px;
  width: 320px;
  padding: 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 8px 24px rgba(0,0,0,0.12);
  z-index: 50;
}

.bank-popover-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.bank-popover-item {
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: default;
}

.bank-popover-item .bp-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  margin-bottom: 4px;
}

.bank-popover-item .bp-row:last-child { margin-bottom: 0; }

.bank-popover-item .bp-label {
  color: var(--text-secondary);
  font-size: 12px;
}

.bank-popover-item .bp-value {
  font-weight: 500;
}

.bp-copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  padding: 2px 8px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: none;
  font-size: 11px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
}

.bp-copy-btn:hover { border-color: var(--gold); color: var(--gold); }
.bp-copy-btn.copied { border-color: var(--success); color: var(--success); }

.empty-state-sm {
  padding: 16px;
  text-align: center;
  color: var(--text-secondary);
  font-size: 13px;
}

.empty-link {
  color: var(--gold);
  text-decoration: none;
  font-weight: 500;
  cursor: pointer;
}

.empty-link:hover { text-decoration: underline; }

/* ── Table tweaks ── */
table { table-layout: fixed; }
th, td { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* Column widths */
.col-imageName { width: 200px; }
.col-platform  { width: 80px; }
.col-itemName  { width: 220px; }
.col-amount    { width: 90px; }
.col-orderTime { width: 170px; }
.col-orderId   { width: 200px; }
.col-note      { width: 200px; }
.col-_status   { width: 90px; }
.col-_action   { width: 60px; text-align: center; }

.img-preview-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--gold);
  font-size: 12px;
  text-decoration: none;
  cursor: pointer;
  transition: color 0.15s;
  max-width: 100%;
}

.img-preview-link:hover { color: var(--gold-light); text-decoration: underline; }

.img-preview-link svg {
  flex-shrink: 0;
}

/* ── Image Preview Modal ── */
.img-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  animation: fadeIn 0.2s ease;
}

.img-modal-content {
  background: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  max-width: 90vw;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.img-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.img-modal-title {
  font-size: 14px;
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  min-width: 0;
}

.img-modal-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.img-modal-dl {
  padding: 6px 14px;
  font-size: 13px;
}

.img-modal-close {
  width: 32px;
  height: 32px;
  border: none;
  border-radius: 6px;
  background: none;
  font-size: 20px;
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s, color 0.15s;
}

.img-modal-close:hover {
  background: rgba(0, 0, 0, 0.06);
  color: var(--text);
}

.img-modal-body {
  padding: 16px;
  overflow: auto;
  display: flex;
  align-items: center;
  justify-content: center;
}

.img-modal-body img {
  max-width: 80vw;
  max-height: 75vh;
  object-fit: contain;
  border-radius: 6px;
}

/* ── Utility ── */
.hidden { display: none !important; }

/* ── Responsive ── */
@media (max-width: 768px) {
  .topbar { padding: 0 16px; gap: 12px; flex-wrap: wrap; height: auto; padding: 10px 16px; }
  .topbar-nav { gap: 0; }
  .nav-item { padding: 8px 10px; font-size: 13px; }
  .view { padding: 20px 16px 40px; }
  .stats-row { grid-template-columns: repeat(2, 1fr); }
  .result-toolbar { flex-direction: column; align-items: flex-start; }
  .history-top { flex-direction: column; align-items: flex-start; }
  .auth-card { margin: 16px; }
}

@media (max-width: 480px) {
  .stats-row { grid-template-columns: 1fr; }
  .topbar-nav { width: 100%; justify-content: center; }
}