:root {
  --sidebar-width: 260px;
  --color-bg: #eef1f6;
  --color-surface: #ffffff;
  --color-surface-alt: #f3f4f6;
  --color-text: #1f2937;
  --color-muted: #6b7280;
  --color-border: #e5e7eb;
  --color-danger: #dc2626;
  --color-success: #16a34a;
  --color-warning: #d97706;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.06);

  --color-primary: #7c3aed;
  --color-primary-hover: #6d28d9;
  --color-primary-bg: #7c3aed;
  --color-primary-hover-bg: #6d28d9;
  --color-primary-tint: rgba(124, 58, 237, 0.1);
  --color-primary-contrast: #ffffff;

  --auth-gradient: linear-gradient(135deg, #eef1f6 0%, #d9e2ec 100%);
}

:root[data-theme='violet'] {
  --color-primary: #7c3aed;
  --color-primary-hover: #6d28d9;
  --color-primary-bg: #7c3aed;
  --color-primary-hover-bg: #6d28d9;
  --color-primary-tint: rgba(124, 58, 237, 0.1);
}

:root[data-theme='blue'] {
  --color-primary: #2563eb;
  --color-primary-hover: #1d4ed8;
  --color-primary-bg: #2563eb;
  --color-primary-hover-bg: #1d4ed8;
  --color-primary-tint: rgba(37, 99, 235, 0.08);
}

:root[data-theme='dark'] {
  --color-primary: #181c3c;
  --color-primary-hover: #0f1230;
  --color-primary-bg: #181c3c;
  --color-primary-hover-bg: #0f1230;
  --color-primary-tint: rgba(24, 28, 60, 0.08);
}

:root[data-theme='emerald'] {
  --color-primary: #059669;
  --color-primary-hover: #047857;
  --color-primary-bg: #059669;
  --color-primary-hover-bg: #047857;
  --color-primary-tint: rgba(5, 150, 105, 0.1);
}

:root[data-theme='rose'] {
  --color-primary: #e11d48;
  --color-primary-hover: #be123c;
  --color-primary-bg: #e11d48;
  --color-primary-hover-bg: #be123c;
  --color-primary-tint: rgba(225, 29, 72, 0.1);
}

:root[data-theme='sunset'] {
  --color-primary: #ec4899;
  --color-primary-hover: #db2777;
  --color-primary-bg: linear-gradient(135deg, #f97316, #ec4899);
  --color-primary-hover-bg: linear-gradient(135deg, #ea580c, #db2777);
  --color-primary-tint: rgba(236, 72, 153, 0.1);
}

:root[data-theme='brown'] {
  --color-primary: #5f0e2f;
  --color-primary-hover: #4a0a25;
  --color-primary-bg: #5f0e2f;
  --color-primary-hover-bg: #4a0a25;
  --color-primary-tint: rgba(95, 14, 47, 0.1);
}

:root[data-theme='brown-light'] {
  --color-primary: #9f5a5c;
  --color-primary-hover: #864a4c;
  --color-primary-bg: #9f5a5c;
  --color-primary-hover-bg: #864a4c;
  --color-primary-tint: rgba(159, 90, 92, 0.12);
}

:root[data-theme='light'] {
  --color-primary: #92725a;
  --color-primary-hover: #74573e;
  --color-primary-bg: #f9eadf;
  --color-primary-hover-bg: #f3dec9;
  --color-primary-tint: rgba(146, 114, 90, 0.1);
  --color-primary-contrast: #1f2937;
}

:root[data-dark-mode='true'] {
  --color-bg: #0f172a;
  --color-surface: #1e293b;
  --color-surface-alt: #273449;
  --color-text: #e2e8f0;
  --color-muted: #94a3b8;
  --color-border: #334155;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.35);
  --auth-gradient: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);

  --color-primary: #a78bfa;
  --color-primary-hover: #c4b5fd;
  --color-primary-tint: rgba(167, 139, 250, 0.18);
}

:root[data-dark-mode='true'][data-theme='violet'] {
  --color-primary: #a78bfa;
  --color-primary-hover: #c4b5fd;
  --color-primary-tint: rgba(167, 139, 250, 0.18);
}

:root[data-dark-mode='true'][data-theme='blue'] {
  --color-primary: #60a5fa;
  --color-primary-hover: #93c5fd;
  --color-primary-tint: rgba(96, 165, 250, 0.18);
}

:root[data-dark-mode='true'][data-theme='dark'] {
  --color-primary: #c7d2fe;
  --color-primary-hover: #e0e7ff;
  --color-primary-bg: #c7d2fe;
  --color-primary-hover-bg: #e0e7ff;
  --color-primary-tint: rgba(199, 210, 254, 0.16);
  --color-primary-contrast: #181c3c;
}

:root[data-dark-mode='true'][data-theme='emerald'] {
  --color-primary: #34d399;
  --color-primary-hover: #6ee7b7;
  --color-primary-tint: rgba(52, 211, 153, 0.18);
}

:root[data-dark-mode='true'][data-theme='rose'] {
  --color-primary: #fb7185;
  --color-primary-hover: #fda4af;
  --color-primary-tint: rgba(251, 113, 133, 0.18);
}

:root[data-dark-mode='true'][data-theme='sunset'] {
  --color-primary: #f472b6;
  --color-primary-hover: #f9a8d4;
  --color-primary-tint: rgba(244, 114, 182, 0.18);
}

:root[data-dark-mode='true'][data-theme='brown'] {
  --color-primary: #fb7185;
  --color-primary-hover: #fda4af;
  --color-primary-tint: rgba(251, 113, 133, 0.18);
}

:root[data-dark-mode='true'][data-theme='brown-light'] {
  --color-primary: #d4a5a8;
  --color-primary-hover: #e4c4c6;
  --color-primary-tint: rgba(212, 165, 168, 0.18);
}

:root[data-dark-mode='true'][data-theme='light'] {
  --color-primary: #f9eadf;
  --color-primary-hover: #ffffff;
  --color-primary-bg: #f9eadf;
  --color-primary-hover-bg: #ffffff;
  --color-primary-tint: rgba(249, 234, 223, 0.18);
  --color-primary-contrast: #1f2937;
}

/* Dark mode: reskin Bootstrap form controls and QR preview background */
:root[data-dark-mode="true"] .form-control,
:root[data-dark-mode="true"] .form-select {
  background-color: var(--color-surface-alt);
  border-color: var(--color-border);
  color: var(--color-text);
}

:root[data-dark-mode="true"] .form-control::placeholder {
  color: var(--color-muted);
}

:root[data-dark-mode="true"] .phone-screen {
  background: #0f172a;
}
:root[data-dark-mode="true"] .phone-screen .qr-preview-box {
  background: #1e293b;
}
:root[data-dark-mode="true"] .switch-slider::before {
  background: #f1f5f9;
}
:root[data-dark-mode="true"] pre,
:root[data-dark-mode="true"] .bg-light {
  background: var(--color-surface-alt) !important;
  color: var(--color-text);
}
:root[data-dark-mode="true"] .modal-content {
  background: var(--color-surface);
  color: var(--color-text);
}
:root[data-dark-mode="true"] .dropdown-menu {
  background: var(--color-surface);
  border-color: var(--color-border);
}
:root[data-dark-mode="true"] .dropdown-item {
  color: var(--color-text);
}
:root[data-dark-mode="true"] .dropdown-item:hover {
  background: var(--color-surface-alt);
  color: var(--color-text);
}
:root[data-dark-mode="true"] .pagination .page-link {
  background: var(--color-surface);
  border-color: var(--color-border);
  color: var(--color-primary);
}
:root[data-dark-mode="true"] .pagination .page-item.disabled .page-link {
  background: var(--color-surface);
  color: var(--color-muted);
}
:root[data-dark-mode="true"] .page-subtitle,
:root[data-dark-mode="true"] .settings-help,
:root[data-dark-mode="true"] .form-text,
:root[data-dark-mode="true"] .stat-label,
:root[data-dark-mode="true"] .date-label {
  color: var(--color-muted);
}

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

html,
body {
  margin: 0;
  padding: 0;
  font-family:
    "Open Sans",
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

body.app-body {
  min-height: 100vh;
  display: flex;
}

/* ----- Sidebar ----- */

.app-sidebar {
  width: var(--sidebar-width);
  flex-shrink: 0;
  background: var(--color-surface);
  border-right: 1px solid var(--color-border);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding: 24px 20px;
  position: sticky;
  top: 0;
  z-index: 1020;
  transition:
    width 0.2s ease,
    padding 0.2s ease;
}

.sidebar-collapse-btn {
  position: absolute;
  top: 26px;
  right: -14px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 12px;
  box-shadow: var(--shadow-sm);
  transition:
    background 0.15s,
    color 0.15s,
    transform 0.2s;
  z-index: 1;
}

.sidebar-collapse-btn:hover {
  background: var(--color-primary);
  color: var(--color-primary-contrast);
  border-color: var(--color-primary);
}

:root[data-sidebar-collapsed="true"] .sidebar-collapse-btn i {
  transform: rotate(180deg);
}

@media (min-width: 1200px) {
  :root[data-sidebar-collapsed="true"] .app-sidebar {
    width: 72px;
    padding-left: 12px;
    padding-right: 12px;
  }

  :root[data-sidebar-collapsed="true"] .sidebar-brand span,
  :root[data-sidebar-collapsed="true"] .sidebar-nav .nav-link span,
  :root[data-sidebar-collapsed="true"] .sidebar-footer-link span,
  :root[data-sidebar-collapsed="true"] .btn-logout span {
    display: none;
  }

  :root[data-sidebar-collapsed="true"] .sidebar-brand,
  :root[data-sidebar-collapsed="true"] .sidebar-nav .nav-link,
  :root[data-sidebar-collapsed="true"] .sidebar-footer-link,
  :root[data-sidebar-collapsed="true"] .btn-logout {
    justify-content: center;
    padding-left: 8px;
    padding-right: 8px;
  }

  :root[data-sidebar-collapsed="true"] .sidebar-brand i {
    margin: 0;
  }
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 18px;
  margin-bottom: 32px;
  color: var(--color-text);
  text-decoration: none;
  transition: color 0.15s;
}

.sidebar-brand:hover {
  color: var(--color-primary);
}

.brand-logo {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: #ffffff;
  object-fit: cover;
  flex-shrink: 0;
}

.brand-logo-lg {
  width: 44px;
  height: 44px;
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
}

.sidebar-nav .nav-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  color: var(--color-muted);
  text-decoration: none;
  font-weight: 500;
  font-size: 15px;
  transition:
    background 0.15s,
    color 0.15s;
}

.sidebar-nav .nav-link:hover {
  background: var(--color-surface-alt);
  color: var(--color-text);
}

.sidebar-nav .nav-link.active {
  background: var(--color-primary-tint);
  color: var(--color-primary);
}

.sidebar-nav .nav-link i {
  width: 20px;
  text-align: center;
}

.sidebar-footer {
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
}

.btn-logout {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 12px;
  background: transparent;
  border: none;
  color: var(--color-muted);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-weight: 500;
  font-size: 15px;
  cursor: pointer;
  transition:
    background 0.15s,
    color 0.15s;
  font-family: inherit;
}

.btn-logout:hover {
  background: var(--color-surface-alt);
  color: var(--color-danger);
}

/* ----- Content area ----- */

.app-content {
  flex: 1;
  min-width: 0;
  padding: 32px;
  background: var(--color-bg);
}

.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.page-title {
  margin: 0 0 4px;
  font-size: 28px;
  font-weight: 700;
}

.page-subtitle {
  margin: 0;
  color: var(--color-muted);
  font-size: 14px;
}

.btn-create {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

/* ----- Filters ----- */

.filters-bar {
  display: flex;
  gap: 12px;
  background: var(--color-surface);
  padding: 14px;
  border-radius: var(--radius-md);
  margin-bottom: 20px;
  box-shadow: var(--shadow-sm);
  flex-wrap: wrap;
}

.filter-search {
  position: relative;
  flex: 1 1 260px;
  min-width: 200px;
}

.filter-search > i {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-muted);
  pointer-events: none;
}

.form-control,
.form-select {
  border-radius: var(--radius-sm);
}

.form-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 6px;
}

.filter-search input {
  padding-left: 40px;
  padding-right: 92px;
  height: 42px;
}

.btn-search-apply {
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  height: 34px;
  padding: 0 14px;
  border: none;
  border-radius: var(--radius-sm);
  background: var(--color-primary-bg);
  color: var(--color-primary-contrast);
  font-weight: 600;
  font-size: 13px;
  cursor: pointer;
  transition: background 0.15s;
}

.btn-search-apply:hover {
  background: var(--color-primary-hover-bg);
}

.filter-select {
  width: auto;
  min-width: 180px;
  height: 42px;
}

.btn-reset-filters {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 42px;
  padding: 0 12px;
  color: var(--color-muted);
  text-decoration: none;
  font-weight: 500;
  font-size: 14px;
  border-radius: var(--radius-sm);
  transition:
    background 0.15s,
    color 0.15s;
}

.btn-reset-filters:hover {
  background: var(--color-surface-alt);
  color: var(--color-danger);
}

.filters-bar .btn {
  height: 42px;
}

/* ----- QR list cards ----- */

.qr-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.qr-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 18px;
  display: grid;
  grid-template-columns:
    24px
    96px
    minmax(220px, 1.6fr)
    minmax(100px, 0.7fr)
    minmax(150px, 1fr)
    minmax(110px, 0.7fr)
    44px;
  gap: 18px;
  align-items: center;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.15s;
}

.qr-card-scans,
.qr-card-dates,
.qr-card-status,
.qr-card-actions {
  border-left: 1px solid var(--color-border);
  padding-left: 18px;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.qr-card-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: row;
}

.qr-card:hover {
  box-shadow: var(--shadow-md);
}

.qr-card-image {
  display: flex;
  align-items: center;
  line-height: 0;
}

.qr-card-image img {
  width: 96px;
  height: 96px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  display: block;
  transition:
    transform 0.15s,
    border-color 0.15s;
}

.qr-card-select {
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0;
}

.qr-card-select-input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.qr-card-select-box {
  width: 22px;
  height: 22px;
  border-radius: 6px;
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: transparent;
  font-size: 11px;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}

.qr-card-select-input:checked + .qr-card-select-box {
  background: var(--color-primary-bg);
  border-color: var(--color-primary);
  color: var(--color-primary-contrast);
}

.qr-card-select-box:hover {
  border-color: var(--color-primary);
}

.qr-card.is-selected {
  background: var(--color-primary-tint);
}

/* Bulk action bar */

.bulk-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  background: var(--color-surface);
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  margin-bottom: 14px;
  position: sticky;
  top: 12px;
  z-index: 10;
}

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

.bulk-bar-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.bulk-count {
  font-weight: 600;
  font-size: 14px;
  color: var(--color-primary);
}

.btn-danger {
  background: var(--color-danger);
  border: none;
  color: #fff;
}

.btn-danger:hover,
.btn-danger:focus {
  background: #b91c1c;
  color: #fff;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 13px;
}

.qr-image-link,
.qr-image-btn {
  display: inline-block;
  line-height: 0;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
  text-decoration: none;
  border-radius: var(--radius-sm);
}

.qr-image-link:hover img,
.qr-image-btn:hover img {
  transform: scale(1.03);
  border-color: var(--color-primary);
}

.qr-image-link:hover .qr-image-placeholder,
.qr-image-btn:hover .qr-image-placeholder {
  border: 1px solid var(--color-primary);
  background: var(--color-primary-tint);
}

/* QR view modal — image-only, no chrome */
.qr-view-modal .modal-content {
  background: transparent;
  border: 0;
  padding: 0;
  box-shadow: none;
  align-items: center;
}

.qr-view-modal .modal-dialog {
  max-width: min(90vw, 520px);
  margin: auto;
}

.qr-view-modal #qrViewImage {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-md);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
  background: #fff;
}

.qr-view-close {
  position: absolute;
  top: -18px;
  right: -18px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 0;
  background: #fff;
  color: #111827;
  font-size: 18px;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
}

.qr-view-close:hover {
  background: #f3f4f6;
}

.qr-name-link {
  color: inherit;
  text-decoration: none;
}

.qr-name-link:hover {
  color: var(--color-primary);
}

.qr-image-placeholder {
  width: 96px;
  height: 96px;
  border-radius: var(--radius-sm);
  background: var(--color-surface-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-muted);
  font-size: 28px;
}

.qr-card-info {
  min-width: 0;
}

.qr-name {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.qr-url-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--color-muted);
  margin-bottom: 4px;
  min-width: 0;
}

.qr-url-label {
  flex-shrink: 0;
  font-weight: 600;
  color: var(--color-text);
  min-width: 60px;
}

.qr-url-link {
  color: var(--color-primary);
  text-decoration: none;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
}

.qr-url-link:hover {
  text-decoration: underline;
}
.qr-url-target {
  color: var(--color-muted);
}

.btn-icon {
  background: transparent;
  border: none;
  color: var(--color-muted);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition:
    background 0.15s,
    color 0.15s;
  flex-shrink: 0;
}

.btn-icon:hover {
  background: var(--color-surface-alt);
  color: var(--color-text);
}
.btn-copy.copied {
  color: var(--color-success);
}

.qr-card-scans {
  text-align: center;
}
.stat-label {
  font-size: 12px;
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}
.stat-value {
  font-size: 22px;
  font-weight: 700;
}

.qr-card-dates .date-row {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  gap: 12px;
  margin-bottom: 2px;
}
.date-label {
  color: var(--color-muted);
}
.date-value {
  font-weight: 500;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.status-active {
  background: rgba(22, 163, 74, 0.1);
  color: var(--color-success);
}
.status-paused {
  background: rgba(217, 119, 6, 0.1);
  color: var(--color-warning);
}

.qr-card-actions > .btn-icon {
  width: 40px;
  height: 40px;
}

.qr-card-actions > .btn-icon i {
  font-size: 22px;
}

.qr-card-actions .dropdown-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  padding: 8px 16px;
}

.qr-card-actions .dropdown-item i {
  width: 16px;
}

/* ----- Empty state ----- */

.empty-state {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 64px 32px;
  text-align: center;
  box-shadow: var(--shadow-sm);
}

.empty-state i {
  font-size: 48px;
  color: var(--color-muted);
  margin-bottom: 16px;
}

.empty-state h3 {
  margin: 0 0 8px;
  font-size: 20px;
}
.empty-state p {
  color: var(--color-muted);
  margin-bottom: 16px;
}

/* ----- Pagination ----- */

.pagination-wrap {
  margin-top: 24px;
  display: flex;
  justify-content: center;
}

.pagination .page-link {
  color: var(--color-primary);
  border-radius: var(--radius-sm);
  margin: 0 2px;
  border: 1px solid var(--color-border);
}

.pagination .page-item.active .page-link {
  background: var(--color-primary-bg);
  color: var(--color-primary-contrast);
  border-color: var(--color-primary);
}

.pagination .page-ellipsis {
  background: transparent;
  border: none;
  color: var(--color-muted);
  cursor: default;
  padding: 6px 8px;
}

/* ----- Form card ----- */

.form-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-sm);
}

/* ----- QR preview / smartphone mockup (pure CSS, no image) ----- */

.qr-preview-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px 0;
}

.phone-mockup {
  width: 280px;
  height: 540px;
  background: #111827;
  border-radius: 42px;
  padding: 14px;
  box-shadow:
    0 20px 40px rgba(15, 23, 42, 0.18),
    inset 0 0 0 2px rgba(255, 255, 255, 0.08);
  position: relative;
}

.phone-mockup::before {
  content: "";
  position: absolute;
  top: 18px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 22px;
  background: #111827;
  border-radius: 12px;
  z-index: 2;
}

.phone-screen {
  width: 100%;
  height: 100%;
  background: #f8fafc;
  border-radius: 30px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 20px 20px;
  position: relative;
}

.phone-screen .qr-preview-box {
  border-radius: 12px;
  background: #fff;
  padding: 10px;
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.08);
  width: 240px;
  min-height: 240px;
  max-height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.qr-preview-box canvas,
.qr-preview-box img {
  display: block;
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
}

.qr-preview-empty {
  color: var(--color-muted);
  font-size: 13px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px;
  min-height: 180px;
  line-height: 1.4;
}

/* Per-QR analytics page */

.qr-analytics-header {
  display: flex;
  align-items: center;
  gap: 16px;
}

.qr-analytics-thumb {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: #fff;
}

.recent-scans-wrap {
  overflow-x: auto;
}

.recent-scans {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.recent-scans th,
.recent-scans td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.recent-scans th {
  font-weight: 600;
  color: var(--color-muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.recent-scans tbody tr:last-child td {
  border-bottom: none;
}

.text-muted {
  color: var(--color-muted);
}

.qr-preview-empty i {
  font-size: 36px;
  opacity: 0.5;
}

.phone-caption {
  margin-top: 18px;
  font-size: 13px;
  color: var(--color-muted);
  font-weight: 500;
}

/* ----- Analytics ----- */

.date-range-wrap {
  position: relative;
  background: var(--color-surface);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  padding: 0 14px 0 40px;
  display: flex;
  align-items: center;
  height: 42px;
  min-width: 260px;
}

.date-range-wrap i {
  position: absolute;
  left: 14px;
  color: var(--color-muted);
}

.date-range-wrap input {
  border: none;
  background: transparent;
  height: 100%;
  padding: 0;
  cursor: pointer;
  width: 100%;
}

.date-range-wrap input:focus {
  outline: none;
  box-shadow: none;
}

.stat-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  height: 100%;
}

.stat-card-label {
  color: var(--color-muted);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}

.stat-card-value {
  font-size: 36px;
  font-weight: 700;
}

.card-panel {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}

.panel-title {
  margin: 0 0 16px;
  font-size: 18px;
  font-weight: 600;
}

.chart-wrap {
  position: relative;
  height: 320px;
}

.chart-wrap-sm {
  height: 240px;
}

/* ----- Auth ----- */

.auth-body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: var(--auth-gradient);
}

.auth-wrap {
  width: 100%;
  max-width: 420px;
}

.auth-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  box-shadow: 0 20px 40px rgba(15, 23, 42, 0.08);
}

.auth-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 18px;
  font-weight: 700;
}

.auth-brand h1 {
  margin: 0;
  font-size: 20px;
  font-weight: 700;
}

.auth-subtitle {
  color: var(--color-muted);
  margin: 12px 0 28px;
}

/* ----- Buttons ----- */

.btn {
  border-radius: var(--radius-sm);
  font-weight: 600;
  padding: 8px 18px;
}

.btn-primary {
  background: var(--color-primary-bg);
  border: none;
  color: var(--color-primary-contrast);
}

.btn-primary:hover,
.btn-primary:focus {
  background: var(--color-primary-hover-bg);
  color: var(--color-primary-contrast);
}

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

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

.btn-outline-secondary {
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text);
}

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

/* ----- Sidebar footer secondary link ----- */

.sidebar-footer-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  color: var(--color-muted);
  text-decoration: none;
  font-weight: 500;
  font-size: 15px;
  margin-bottom: 4px;
  transition:
    background 0.15s,
    color 0.15s;
}

.sidebar-footer-link i {
  width: 20px;
  text-align: center;
}

.sidebar-footer-link:hover {
  background: var(--color-surface-alt);
  color: var(--color-text);
}

.sidebar-footer-link.active {
  background: var(--color-primary-tint);
  color: var(--color-primary);
}

/* ----- Wizard (create/edit) ----- */

.wizard-steps {
  list-style: none;
  padding: 0;
  margin: 0 0 20px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.wizard-step {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  cursor: pointer;
  transition:
    border-color 0.15s,
    background 0.15s;
  color: var(--color-muted);
  font-weight: 600;
  font-size: 14px;
  user-select: none;
}

.wizard-step:hover {
  border-color: var(--color-muted);
  color: var(--color-text);
}

.wizard-step.is-active {
  background: var(--color-primary-tint);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.wizard-step.is-done {
  color: var(--color-success);
  border-color: var(--color-success);
}

.wizard-step-num {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--color-surface-alt);
  color: var(--color-text);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
}

.wizard-step.is-active .wizard-step-num {
  background: var(--color-primary-bg);
  color: var(--color-primary-contrast);
}

.wizard-step.is-done .wizard-step-num {
  background: var(--color-success);
  color: #fff;
}

.wizard-actions {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--color-border);
  flex-wrap: wrap;
}

.wizard-actions .btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

/* Step 1: skip + next, both on the right */
.wizard-actions-step1 {
  justify-content: flex-end;
}

.sticky-preview {
  position: sticky;
  top: 24px;
}

/* ----- Design sections ----- */

.design-section {
  padding: 18px 0;
  border-bottom: 1px solid var(--color-border);
}

.design-section:last-of-type {
  border-bottom: none;
}

.design-section-title {
  margin: 0 0 12px;
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-muted);
}

.control-row {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  align-items: flex-end;
  margin-bottom: 10px;
}

.color-field {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 0 1 auto;
}

.color-field label {
  font-size: 12px;
  color: var(--color-muted);
  font-weight: 600;
}

.color-field input[type="color"] {
  width: 54px;
  height: 38px;
  padding: 2px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  cursor: pointer;
}

.color-field input[type="range"] {
  width: 140px;
}

.range-value {
  font-size: 12px;
  color: var(--color-muted);
  margin-left: 6px;
}

.mini-check {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
}

.mini-check input {
  width: 16px;
  height: 16px;
  cursor: pointer;
}

/* Tile group (dot style selector) */

.tile-group {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(96px, 1fr));
  gap: 10px;
}

.tile {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 12px 6px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  cursor: pointer;
  transition:
    border-color 0.15s,
    transform 0.15s;
  font-size: 11px;
  font-weight: 600;
  text-align: center;
  color: var(--color-text);
}

.tile:hover {
  border-color: var(--color-muted);
}

.tile input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.tile.is-active {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-tint);
}

.tile-preview {
  width: 40px;
  height: 40px;
  background: var(--color-text);
}

.tile-preview--square {
  border-radius: 0;
}
.tile-preview--dots {
  border-radius: 50%;
}
.tile-preview--rounded {
  border-radius: 30%;
}
.tile-preview--extra-rounded {
  border-radius: 45%;
}
.tile-preview--classy {
  border-radius: 0 45% 0 45%;
}
.tile-preview--classy-rounded {
  border-radius: 45% 0 45% 0;
}

/* Logo */

.logo-controls {
  display: flex;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
}

.logo-preview {
  width: 72px;
  height: 72px;
  border-radius: var(--radius-md);
  border: 1px dashed var(--color-border);
  background: var(--color-surface-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  flex-shrink: 0;
}

.logo-preview img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.logo-placeholder {
  color: var(--color-muted);
  font-size: 24px;
}

.logo-buttons {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}

.logo-buttons .color-field {
  margin-left: 8px;
}

.is-invalid {
  border-color: var(--color-danger) !important;
}

/* ----- Settings page ----- */

.settings-stack {
  display: flex;
  flex-direction: column;
  gap: 20px;
  max-width: 720px;
}

.settings-title {
  font-size: 18px;
  margin-bottom: 4px;
}

.settings-help {
  color: var(--color-muted);
  font-size: 14px;
  margin: 0 0 16px;
}

.settings-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.settings-row .settings-help {
  margin-bottom: 0;
  max-width: 520px;
}

/* Toggle switch */

.switch {
  position: relative;
  display: inline-block;
  width: 52px;
  height: 28px;
  flex-shrink: 0;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.switch-slider {
  position: absolute;
  inset: 0;
  background: var(--color-border);
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.2s;
}

.switch-slider::before {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  width: 22px;
  height: 22px;
  background: #ffffff;
  border-radius: 50%;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.15);
  transition: transform 0.2s;
}

.switch input:checked + .switch-slider {
  background: var(--color-primary-bg);
}
.switch input:checked + .switch-slider::before {
  transform: translateX(24px);
}
.switch input:focus-visible + .switch-slider {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Theme grid */

.theme-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 14px;
}

.theme-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 14px;
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  font-family: inherit;
  font-size: 13px;
  color: var(--color-text);
  text-align: center;
  transition:
    border-color 0.15s,
    transform 0.15s,
    box-shadow 0.15s;
}

.theme-card:hover {
  border-color: var(--color-muted);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.theme-card.is-active {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-tint);
}

.theme-swatch {
  width: 72px;
  height: 72px;
  border-radius: 14px;
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.08);
}

.theme-name {
  font-weight: 600;
}

.theme-check {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--color-primary-bg);
  color: var(--color-primary-contrast);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  opacity: 0;
  transform: scale(0.6);
  transition:
    opacity 0.15s,
    transform 0.15s;
}

.theme-card.is-active .theme-check {
  opacity: 1;
  transform: scale(1);
}

/* ----- Sidebar toggle (mobile) ----- */

.sidebar-toggle {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 1050;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition:
    background 0.15s,
    border-color 0.15s,
    transform 0.15s;
}

.sidebar-toggle:hover {
  border-color: var(--color-muted);
}
.sidebar-toggle:active {
  transform: scale(0.94);
}

.sidebar-toggle .burger {
  position: relative;
  width: 20px;
  height: 14px;
}

.sidebar-toggle .burger-line {
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition:
    top 0.2s ease,
    transform 0.2s ease,
    opacity 0.15s ease;
}

.sidebar-toggle .burger-line:nth-child(1) {
  top: 0;
}
.sidebar-toggle .burger-line:nth-child(2) {
  top: 6px;
}
.sidebar-toggle .burger-line:nth-child(3) {
  top: 12px;
}

.sidebar-toggle.is-active .burger-line:nth-child(1) {
  top: 6px;
  transform: rotate(45deg);
}

.sidebar-toggle.is-active .burger-line:nth-child(2) {
  opacity: 0;
}

.sidebar-toggle.is-active .burger-line:nth-child(3) {
  top: 6px;
  transform: rotate(-45deg);
}

.sidebar-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  z-index: 1019;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
}

.sidebar-backdrop.is-visible {
  opacity: 1;
  pointer-events: auto;
}

/* ----- Responsive ----- */

.app-topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 66px;
  background: var(--color-surface);
  border-bottom: 1px solid transparent;
  opacity: 0;
  pointer-events: none;
  transition:
    opacity 0.2s ease,
    border-color 0.2s ease;
  z-index: 1030;
}

:root[data-scrolled="true"] .app-topbar {
  opacity: 1;
  border-bottom-color: var(--color-border);
}

@media (max-width: 1199.98px) {
  .app-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    transform: translateX(-100%);
    transition:
      transform 0.2s ease-out,
      top 0.2s ease,
      height 0.2s ease;
    height: 100vh;
    box-shadow: 0 0 30px rgba(0, 0, 0, 0.15);
    padding-top: 70px;
  }

  :root[data-scrolled="true"] .app-sidebar {
    top: 66px;
    height: calc(100vh - 66px);
    padding-top: 24px;
  }

  .app-sidebar.is-open {
    transform: translateX(0);
  }

  .app-content {
    padding: 72px 16px 24px;
  }

  .btn-back {
    position: fixed;
    top: 12px;
    right: 12px;
    z-index: 1050;
    width: 42px;
    height: 42px;
    padding: 0;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    box-shadow: var(--shadow-sm);
  }

  .btn-back span {
    display: none;
  }

  .btn-back i {
    margin: 0;
    font-size: 14px;
  }

  .qr-card {
    grid-template-columns: 24px 80px 1fr 44px;
    grid-template-areas:
      "select image info actions"
      "scans scans scans scans"
      "dates dates dates dates"
      "status status status status";
    gap: 12px 12px;
  }

  .qr-card-select {
    grid-area: select;
  }

  .qr-card-scans,
  .qr-card-dates,
  .qr-card-status,
  .qr-card-actions {
    border-left: none;
    padding-left: 0;
    height: auto;
    display: block;
    align-items: flex-start;
  }

  .qr-card-image {
    grid-area: image;
  }
  .qr-card-image img,
  .qr-image-placeholder {
    width: 80px;
    height: 80px;
  }
  .qr-card-info {
    grid-area: info;
  }
  .qr-card-scans {
    grid-area: scans;
    text-align: left;
    border-top: 1px solid var(--color-border);
    padding-top: 10px;
    display: flex;
  }
  .qr-card-scans .stat-label {
    margin: 0;
  }
  .qr-card-scans .stat-value {
    font-size: 16px;
  }
  .qr-card-dates {
    grid-area: dates;
    display: flex;
    gap: 24px;
  }
  .qr-card-dates .date-row {
    flex-direction: column;
    gap: 0;
  }
  .qr-card-status {
    grid-area: status;
  }
  .qr-card-actions {
    grid-area: actions;
    align-self: start;
  }
}

@media (max-width: 460px) {
  .wizard-actions {
    flex-direction: column;
  }
  .wizard-actions .btn {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 410px) {
  .wizard-steps {
    flex-direction: column;
    gap: 6px;
  }

  .wizard-step {
    width: 100%;
    border-radius: var(--radius-lg);
    padding: 6px 14px;
    justify-content: flex-start;
  }

  .wizard-step-num {
    width: 22px;
    height: 22px;
    font-size: 11px;
  }
}

@media (max-width: 575.98px) {
  .page-header {
    flex-direction: column;
    align-items: stretch;
  }
  .page-title {
    font-size: 24px;
  }
  .date-range-wrap {
    min-width: auto;
  }
  .phone-mockup {
    width: 240px;
    height: 480px;
    border-radius: 36px;
    padding: 12px;
  }
  .phone-mockup::before {
    width: 64px;
    height: 18px;
    top: 14px;
  }
  .phone-screen {
    border-radius: 26px;
    padding: 32px 14px 14px;
  }
  .phone-screen .qr-preview-box {
    width: 200px;
    max-width: 100%;
    min-height: 200px;
    max-height: 240px;
    padding: 8px;
  }
  .phone-caption {
    margin-top: 12px;
    font-size: 12px;
  }

  .filters-bar {
    flex-direction: column;
    align-items: stretch;
  }

  .filter-search,
  .filter-select,
  .btn-reset-filters {
    width: 100%;
    flex: 0 0 auto;
  }

  .btn-reset-filters {
    justify-content: center;
  }

  .btn-create {
    position: fixed;
    top: 12px;
    right: 12px;
    z-index: 1050;
    width: 42px;
    height: 42px;
    padding: 0;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    box-shadow: var(--shadow-sm);
  }

  .btn-create span {
    display: none;
  }

  .btn-create i {
    margin: 0;
    font-size: 16px;
  }
}