/* ============================================================
   Gallery White — Device Binding Management System
   Light, airy, museum-gallery inspired. High readability.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Fira+Code:wght@400;500&family=Outfit:wght@400;500;600;700&family=Work+Sans:ital,wght@0,300;0,400;0,500;0,600;1,400&display=swap');

/* ── Design Tokens ─────────────────────────────── */
:root {
  --color-bg:            #f7f6f3;
  --color-surface:       #ffffff;
  --color-surface-raised:#f9f8f6;
  --color-surface-hover: #f2f0ec;
  --color-border:        #e6e4de;
  --color-border-light:  #eeede8;
  --color-text:          #1a1a1c;
  --color-text-secondary:#63635e;
  --color-text-muted:    #94938d;
  --color-text-inverse:  #ffffff;

  --color-accent:        #0d9488;
  --color-accent-hover:  #0f766e;
  --color-accent-light:  #e6f5f3;
  --color-accent-border: #b8ddd8;
  --color-accent-ring:   rgba(13,148,136,0.15);

  --color-danger:        #dc2626;
  --color-danger-hover:  #b91c1c;
  --color-danger-light:  #fef2f2;
  --color-success:       #059669;
  --color-success-hover: #047857;
  --color-success-light: #ecfdf5;
  --color-info:          #2563eb;
  --color-info-hover:    #1d4ed8;
  --color-info-light:    #eff6ff;
  --color-warning:       #d97706;
  --color-warning-light: #fffbeb;

  --font-heading: 'Outfit', system-ui, -apple-system, sans-serif;
  --font-body:    'Work Sans', system-ui, -apple-system, sans-serif;
  --font-mono:    'Fira Code', 'Cascadia Code', 'JetBrains Mono', monospace;

  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;

  --shadow-xs:  0 1px 2px rgba(0,0,0,0.04);
  --shadow-sm:  0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md:  0 4px 8px rgba(0,0,0,0.05), 0 2px 4px rgba(0,0,0,0.04);
  --shadow-lg:  0 10px 24px rgba(0,0,0,0.06), 0 4px 8px rgba(0,0,0,0.04);

  --transition: 150ms ease;
}

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

html {
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
@media (min-width: 768px) { html { font-size: 16px; } }

body {
  margin: 0;
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.65;
  color: var(--color-text);
  background: var(--color-bg);
  min-height: 100vh;
}

a { color: var(--color-accent); text-decoration: none; font-weight: 500; transition: color var(--transition); }
a:hover { color: var(--color-accent-hover); }

::selection { background: var(--color-accent-light); color: var(--color-accent-hover); }

/* ── Typography ─────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--color-text);
  line-height: 1.3;
}
.display-4 { font-weight: 700; letter-spacing: -0.02em; }
.display-6 { font-weight: 600; }

.text-muted  { color: var(--color-text-muted) !important; }
.text-danger  { color: var(--color-danger) !important; }
.text-success { color: var(--color-success) !important; }

code, pre, .mono {
  font-family: var(--font-mono);
  font-size: 0.88em;
  background: var(--color-surface-hover);
  padding: 0.1em 0.35em;
  border-radius: 3px;
  color: var(--color-text);
  border: 1px solid var(--color-border-light);
}

/* ── Layout ─────────────────────────────────────── */
.container { max-width: 1240px; }
main { padding-top: 0.5rem; padding-bottom: 3rem; }

/* ── Top Bar ──────────────────────────────────── */
.topbar {
  height: 52px;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  padding: 0 1.25rem;
  gap: 0;
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1030;
  box-shadow: var(--shadow-xs);
}
.topbar-brand {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  color: var(--color-text);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-right: 1.5rem;
  white-space: nowrap;
}
.topbar-brand:hover { color: var(--color-accent); }
.topbar-logo {
  width: 28px;
  height: 28px;
  border-radius: 4px;
  object-fit: cover;
}
.topbar-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  flex: 1;
}
.topbar-item {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  text-decoration: none;
  padding: 0.4rem 0.9rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  white-space: nowrap;
}
.topbar-item:hover {
  color: var(--color-accent-hover);
  background: var(--color-accent-light);
}
.topbar-item.active {
  color: var(--color-accent);
  background: var(--color-accent-light);
  font-weight: 600;
}
.topbar-right {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-left: auto;
}
.topbar-user {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text);
}
.btn-lang {
  background: var(--color-surface-raised);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  font-size: 0.78rem;
  font-weight: 500;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
}
.btn-lang:hover { border-color: var(--color-accent); color: var(--color-accent); }
.btn-logout {
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: 0.78rem;
  font-weight: 500;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
}
.btn-logout:hover { border-color: var(--color-danger); color: var(--color-danger); }

/* ── App Body (sidebar + main) ─────────────────── */
.app-body {
  display: flex;
  margin-top: 52px;
  min-height: calc(100vh - 52px);
}

/* ── Sidebar ───────────────────────────────────── */
.sidebar {
  width: 200px;
  min-width: 200px;
  background: var(--color-surface);
  border-right: 1px solid var(--color-border);
  padding: 1rem 0;
  position: sticky;
  top: 52px;
  height: calc(100vh - 52px);
  overflow-y: auto;
}
.sidebar-title {
  font-family: var(--font-heading);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  padding: 0.5rem 1rem 0.3rem;
  font-weight: 700;
}
.sidebar-item {
  display: block;
  padding: 0.45rem 1rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: all var(--transition);
  border-left: 3px solid transparent;
  margin: 1px 0;
}
.sidebar-item:hover {
  color: var(--color-accent-hover);
  background: var(--color-accent-light);
}
.sidebar-item.active {
  color: var(--color-accent);
  background: var(--color-accent-light);
  border-left-color: var(--color-accent);
  font-weight: 600;
}

/* ── Main Content ──────────────────────────────── */
.main-content {
  flex: 1;
  padding: 1.5rem 2rem;
  max-width: 100%;
  overflow-x: auto;
}

/* ── Remove old navbar styles ──────────────────── */
.navbar { display: none; }
footer { display: none; }

/* ── Cards ──────────────────────────────────────── */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xs);
  transition: all var(--transition);
}
.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}
.card-body { padding: 1.5rem; }

/* Dashboard stat cards */
.card.bg-primary {
  background: var(--color-surface) !important;
  border-color: var(--color-border) !important;
  border-left: 4px solid var(--color-accent) !important;
}
.card.bg-success {
  background: var(--color-surface) !important;
  border-color: var(--color-border) !important;
  border-left: 4px solid var(--color-success) !important;
}
.card.bg-info {
  background: var(--color-surface) !important;
  border-color: var(--color-border) !important;
  border-left: 4px solid var(--color-info) !important;
}
.card .card-title {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  font-weight: 600;
  color: var(--color-text-muted);
}
.card .display-6 {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-text);
  font-size: 2.2rem;
}
.card .btn-light {
  background: var(--color-surface-hover);
  border-color: var(--color-border);
  color: var(--color-text-secondary);
  font-weight: 500;
}
.card .btn-light:hover {
  background: var(--color-accent-light);
  color: var(--color-accent-hover);
  border-color: var(--color-accent-border);
}
.card .card-text {
  color: var(--color-text-secondary);
}

/* ── Tables ─────────────────────────────────────── */
.table {
  --bs-table-bg: transparent;
  --bs-table-color: var(--color-text);
  --bs-table-border-color: var(--color-border-light);
  color: var(--color-text);
  font-size: 0.875rem;
  margin-bottom: 0;
}
.table thead {
  background: var(--color-surface-raised);
  border-bottom: 2px solid var(--color-border);
}
.table thead th {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  border: none;
  padding: 0.7rem 1rem;
}
.table tbody td {
  padding: 0.6rem 1rem;
  border-bottom: 1px solid var(--color-border-light);
  vertical-align: middle;
  color: var(--color-text);
}
.table tbody tr { transition: background var(--transition); }
.table tbody tr:hover {
  background: var(--color-surface-hover);
}
.table-striped > tbody > tr:nth-of-type(odd) > * {
  --bs-table-accent-bg: var(--color-surface-raised);
  color: var(--color-text);
}

/* Device ID / Logic Code in tables — mono font */
.table td:nth-child(1),
.table td:nth-child(2) {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 0.83rem;
  color: var(--color-text);
}

.table-responsive {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-surface);
  box-shadow: var(--shadow-xs);
}

/* ── Forms ──────────────────────────────────────── */
.form-label {
  font-weight: 600;
  font-size: 0.82rem;
  color: var(--color-text-secondary);
  margin-bottom: 0.3rem;
}

.form-control, .form-select {
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 0.9rem;
  border-radius: var(--radius-sm);
  padding: 0.55rem 0.75rem;
  transition: all var(--transition);
  box-shadow: var(--shadow-xs);
}
.form-control:focus, .form-select:focus {
  background: var(--color-surface);
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-ring);
  color: var(--color-text);
  outline: none;
}
.form-control::placeholder {
  color: var(--color-text-muted);
  font-weight: 400;
}
.form-control[readonly] {
  background: var(--color-surface-raised);
  color: var(--color-text-muted);
  cursor: default;
}
.form-control[type="file"] { padding: 0.35rem; }
.form-control[type="file"]::file-selector-button {
  background: var(--color-surface-hover);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 500;
  padding: 0.3rem 0.8rem;
  border-radius: var(--radius-sm);
  margin-right: 0.6rem;
  cursor: pointer;
  transition: all var(--transition);
}
.form-control[type="file"]::file-selector-button:hover {
  background: var(--color-accent-light);
  color: var(--color-accent-hover);
  border-color: var(--color-accent-border);
}

.form-check-input {
  background-color: var(--color-surface);
  border: 1.5px solid var(--color-border);
  width: 1.05em; height: 1.05em;
}
.form-check-input:checked {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
}
.form-check-input:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-ring);
}

.form-check-label { font-weight: 500; color: var(--color-text); }

.form-text, .text-muted small, small.text-muted {
  color: var(--color-text-muted);
  font-size: 0.8rem;
}

.text-danger, .field-validation-error {
  font-size: 0.8rem;
  font-weight: 500;
}

/* ── Dropdown Combo Box ─────────────────────────── */
.dropdown-combo { position: relative; }
.dropdown-combo-list {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  z-index: 1050;
  max-height: 260px;
  overflow-y: auto;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-top: none;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  box-shadow: var(--shadow-lg);
  list-style: none;
  padding: 0;
  margin: 0;
}
.dropdown-combo-list li {
  padding: 0; cursor: default; font-size: 0.88rem;
}
.dropdown-combo-list li:hover { background: var(--color-accent-light); }
.dropdown-combo-list li label {
  display: flex; align-items: center; gap: 0.45rem;
  cursor: pointer; margin: 0; padding: 0.45rem 0.75rem; width: 100%;
}
.dropdown-combo-list li input[type=checkbox] {
  width: 15px; height: 15px; accent-color: var(--color-accent); flex-shrink: 0; margin: 0;
}
.dropdown-combo-list li strong { font-weight: 600; }
.dropdown-combo-list li small { color: var(--color-text-muted); margin-left: 0.5rem; }
.combo-select-all {
  padding: 0 !important;
  border-bottom: 1px solid var(--color-border-light) !important;
  font-weight: 600; font-size: 0.82rem;
  background: var(--color-surface-raised);
  position: sticky; top: 0; z-index: 1;
}
.combo-select-all label { font-weight: 600; }

/* ── Buttons ────────────────────────────────────── */
.btn {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.85rem;
  padding: 0.5rem 1.1rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  letter-spacing: 0.01em;
  border: 1.5px solid transparent;
}

.btn-primary {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
  box-shadow: var(--shadow-xs);
}
.btn-primary:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  color: #fff;
  box-shadow: var(--shadow-sm);
  transform: translateY(-1px);
}
.btn-primary:active, .btn-primary:focus-visible {
  background: var(--color-accent-hover) !important;
  border-color: var(--color-accent-hover) !important;
  box-shadow: 0 0 0 3px var(--color-accent-ring) !important;
}

.btn-secondary {
  background: var(--color-surface);
  border-color: var(--color-border);
  color: var(--color-text-secondary);
}
.btn-secondary:hover {
  background: var(--color-surface-hover);
  border-color: var(--color-text-muted);
  color: var(--color-text);
}

.btn-success {
  background: var(--color-success);
  border-color: var(--color-success);
  color: #fff;
}
.btn-success:hover {
  background: var(--color-success-hover);
  border-color: var(--color-success-hover);
}

.btn-danger {
  background: var(--color-danger);
  border-color: var(--color-danger);
  color: #fff;
}
.btn-danger:hover {
  background: var(--color-danger-hover);
  border-color: var(--color-danger-hover);
}

.btn-warning {
  background: var(--color-warning);
  border-color: var(--color-warning);
  color: #fff;
}
.btn-warning:hover { opacity: 0.9; }

.btn-info {
  background: var(--color-info);
  border-color: var(--color-info);
  color: #fff;
}
.btn-info:hover { background: var(--color-info-hover); }

.btn-sm { font-size: 0.78rem; padding: 0.3rem 0.7rem; }
.btn-lg { font-size: 0.95rem; padding: 0.65rem 1.5rem; }

.btn-outline-danger {
  background: transparent;
  border-color: var(--color-danger);
  color: var(--color-danger);
}
.btn-outline-danger:hover {
  background: var(--color-danger);
  color: #fff;
}

/* ── Badges ─────────────────────────────────────── */
.badge {
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.3em 0.6em;
  border-radius: var(--radius-sm);
  letter-spacing: 0.02em;
}
.bg-success  { background: var(--color-success-light) !important; color: var(--color-success) !important; }
.bg-warning  { background: var(--color-warning-light) !important; color: var(--color-warning) !important; }
.bg-danger   { background: var(--color-danger-light) !important; color: var(--color-danger) !important; }
.bg-info     { background: var(--color-info-light) !important; color: var(--color-info) !important; }
.bg-secondary { background: var(--color-surface-hover) !important; color: var(--color-text-muted) !important; }

/* ── Alerts ─────────────────────────────────────── */
.alert {
  font-size: 0.85rem;
  border-radius: var(--radius-md);
  padding: 0.85rem 1.1rem;
  border: 1px solid transparent;
}
.alert-danger {
  background: var(--color-danger-light);
  border-color: #fecaca;
  color: var(--color-danger);
}
.alert-warning {
  background: var(--color-warning-light);
  border-color: #fde68a;
  color: #92400e;
}
.alert-success {
  background: var(--color-success-light);
  border-color: #a7f3d0;
  color: var(--color-success);
}
.alert-info {
  background: var(--color-info-light);
  border-color: #bfdbfe;
  color: var(--color-info);
}

/* ── Pagination ─────────────────────────────────── */
.pagination { gap: 0.3rem; }
.page-link {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  font-size: 0.85rem;
  font-weight: 500;
  border-radius: var(--radius-sm) !important;
  padding: 0.4rem 0.8rem;
  transition: all var(--transition);
}
.page-link:hover {
  background: var(--color-accent-light);
  color: var(--color-accent-hover);
  border-color: var(--color-accent-border);
}
.page-item.active .page-link {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
  font-weight: 600;
}
.page-item.disabled .page-link {
  background: var(--color-surface-raised);
  border-color: var(--color-border-light);
  color: var(--color-text-muted);
  opacity: 0.6;
}

/* ── Popover ────────────────────────────────────── */
.popover {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  font-family: var(--font-mono);
  font-size: 0.75rem;
}
.popover-header {
  background: var(--color-surface-raised);
  border-bottom: 1px solid var(--color-border-light);
  color: var(--color-text);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.8rem;
}
.popover-body {
  color: var(--color-text-secondary);
  white-space: pre-wrap;
  word-break: break-all;
}

/* ── dl (Details Page) ──────────────────────────── */
dl.row { margin: 0; }
dl.row dt {
  font-weight: 600;
  font-size: 0.78rem;
  color: var(--color-text-muted);
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--color-border-light);
}
dl.row dd {
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--color-border-light);
  margin-bottom: 0;
  color: var(--color-text);
}
dl.row dd code {
  background: var(--color-surface-hover);
  border: 1px solid var(--color-border);
  padding: 0.15em 0.5em;
  border-radius: 3px;
}

/* ── Footer ─────────────────────────────────────── */
footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: 0.8rem;
  padding: 1rem 0;
  margin-top: 3rem;
}

/* ── Login Page ─────────────────────────────────── */
.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - 56px);
  background: radial-gradient(ellipse at 50% 30%, #eef8f7 0%, var(--color-bg) 70%);
}

.login-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2.8rem 2.2rem;
  width: 100%;
  max-width: 420px;
  box-shadow: var(--shadow-lg);
}

.login-logo {
  display: block;
  width: 56px;
  height: 56px;
  margin: 0 auto 1.5rem;
  border-radius: 10px;
  object-fit: cover;
}

.login-card h2 {
  text-align: center;
  font-weight: 700;
  font-size: 1.35rem;
  margin-bottom: 0.2rem;
  letter-spacing: -0.02em;
}
.login-card .subtitle {
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.82rem;
  margin-bottom: 2rem;
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}
.login-card .form-label {
  font-family: var(--font-heading);
  font-size: 0.78rem;
  letter-spacing: 0.03em;
}
.login-card .form-control {
  font-size: 0.9rem;
  padding: 0.65rem 0.85rem;
}
.login-card .input-group .btn {
  border-color: var(--color-border);
  background: var(--color-surface);
  color: var(--color-text-muted);
  padding: 0.65rem 0.75rem;
}
.login-card .input-group .btn:hover {
  background: var(--color-surface-hover);
  color: var(--color-text-secondary);
}
.login-card .btn-primary {
  width: 100%;
  padding: 0.65rem;
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

/* ── Page Headers ───────────────────────────────── */
.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.page-header h2 {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.4rem;
  letter-spacing: -0.02em;
  margin: 0;
  color: var(--color-text);
}

/* ── Search / Filter Bar ────────────────────────── */
.filter-bar {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  margin-bottom: 1rem;
  box-shadow: var(--shadow-xs);
}
.filter-bar .form-control,
.filter-bar .form-select {
  font-size: 0.85rem;
}

/* ── Image Preview ──────────────────────────────── */
.img-preview {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-raised);
  padding: 0.4rem;
  max-width: 100%;
}
.image-thumb {
  border: 1px solid var(--color-border-light);
  border-radius: 4px;
  object-fit: cover;
  transition: all 0.2s ease;
}
.image-thumb:hover {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-ring);
  transform: scale(1.08);
}

/* ── Animations ─────────────────────────────────── */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}
.fade-in-up { animation: fadeInUp 0.35s ease-out; }
.fade-in-up:nth-child(2) { animation-delay: 0.06s; }
.fade-in-up:nth-child(3) { animation-delay: 0.12s; }
.fade-in-up:nth-child(4) { animation-delay: 0.18s; }
.fade-in-up:nth-child(5) { animation-delay: 0.24s; }

/* ── Scrollbar ──────────────────────────────────── */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--color-bg); }
::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover { background: var(--color-text-muted); }

/* ── Utility ────────────────────────────────────── */
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 1rem; }
hr { border-color: var(--color-border-light); opacity: 1; }
small { color: var(--color-text-muted); }

/* ── Modal Form ─────────────────────────────────── */
.modal-dialog { max-width: 640px; }
.modal-body form { display: flex; flex-direction: column; gap: 0.8rem; }
.modal-body .form-label { font-weight: 600; font-size: 0.82rem; color: var(--color-text-secondary); margin-bottom: 0.2rem; }
.modal-body .form-control, .modal-body .form-select { font-size: 0.9rem; padding: 0.55rem 0.75rem; }

/* ── Password Toggle (inside input) ─────────────── */
.pwd-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}
.pwd-wrapper .form-control {
  padding-right: 2.6rem;
  width: 100%;
}
.pwd-toggle {
  position: absolute;
  right: 0.45rem;
  top: 50%;
  transform: translateY(-50%);
  background: transparent;
  border: none;
  color: var(--color-text-muted);
  padding: 0.3rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  transition: color var(--transition);
  line-height: 1;
}
.pwd-toggle:hover {
  color: var(--color-accent);
  background: transparent;
}
.pwd-toggle:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: -2px;
}

/* ── Image Preview Lightbox ─────────────────────── */
.img-preview-overlay {
  display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.85); z-index: 9999; align-items: center; justify-content: center;
}
.img-preview-overlay.active { display: flex; }
.img-preview-overlay img { max-width: 90vw; max-height: 90vh; object-fit: contain; border-radius: 8px; box-shadow: 0 8px 32px rgba(0,0,0,0.4); }
.img-preview-close { position: absolute; top: 20px; right: 32px; color: #fff; font-size: 36px; cursor: pointer; z-index: 1; }

/* ── Table Sort ─────────────────────────────────── */
.th-sort {
  color: inherit; text-decoration: none; display: inline-flex;
  align-items: center; gap: 0.25rem; white-space: nowrap;
}
.th-sort:hover { color: var(--color-accent); }
.sort-icon { font-size: 0.65rem; color: var(--color-text-muted); }
.sort-icon.active { color: var(--color-accent); }

/* ── Print ──────────────────────────────────────── */
@media print {
  .navbar, footer, .btn { display: none; }
  body { background: white; color: black; font-size: 12pt; }
}