/* ============================================================
   MENURAMA ADMIN — Admin UI Stylesheet
   Clean, professional white design with Inter font
   ============================================================ */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Playfair+Display:ital,wght@0,600;0,700;1,400&display=swap');

/* --- CSS Custom Properties --- */
:root {
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --font-heading: 'Playfair Display', Georgia, serif;

  /* Admin colors */
  --color-primary:       #2563eb;
  --color-primary-hover: #1d4ed8;
  --color-primary-light: #eff6ff;
  --color-success:       #16a34a;
  --color-success-light: #f0fdf4;
  --color-error:         #dc2626;
  --color-error-light:   #fef2f2;
  --color-warning:       #d97706;
  --color-warning-light: #fffbeb;
  --color-info:          #0891b2;
  --color-info-light:    #f0f9ff;

  /* Neutrals */
  --color-bg:            #ffffff;
  --color-surface:       #f9fafb;
  --color-surface-hover: #f3f4f6;
  --color-border:        #e5e7eb;
  --color-border-focus:  #2563eb;
  --color-text:          #111827;
  --color-text-secondary:#6b7280;
  --color-text-muted:    #9ca3af;

  /* Shadows */
  --shadow-xs:  0 1px 2px rgba(0,0,0,0.05);
  --shadow-sm:  0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md:  0 4px 16px rgba(0,0,0,0.08), 0 2px 4px rgba(0,0,0,0.04);
  --shadow-lg:  0 10px 40px rgba(0,0,0,0.10);

  /* Transitions */
  --t-fast: 120ms ease;
  --t-base: 200ms ease;

  /* Layout */
  --nav-height:  64px;
  --max-width:   1200px;
  --radius-sm:   6px;
  --radius-md:   10px;
  --radius-lg:   16px;
  --radius-full: 9999px;
}

/* ------------------------------------------------------------------ */
/*  Reset & Base                                                         */
/* ------------------------------------------------------------------ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font-body);
  background: var(--color-surface);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
button, input, select, textarea { font-family: inherit; font-size: inherit; }
ul, ol { list-style: none; }

/* ------------------------------------------------------------------ */
/*  Admin Navbar                                                         */
/* ------------------------------------------------------------------ */
.admin-nav {
  height: var(--nav-height);
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-xs);
  position: sticky;
  top: 0;
  z-index: 200;
  flex-shrink: 0;
}

.nav-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  transition: opacity var(--t-fast);
}
.nav-brand:hover { opacity: 0.8; }

.brand-icon {
  width: 32px;
  height: 32px;
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.brand-icon--lg {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  font-size: 1.8rem;
  margin: 0 auto;
}

.brand-text {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: -0.02em;
}

.brand-sub {
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: 1px 6px;
  border-radius: var(--radius-full);
}

.nav-user {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.user-avatar {
  width: 36px;
  height: 36px;
  background: var(--color-primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.9rem;
  flex-shrink: 0;
}

.user-name {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text);
}

@media (max-width: 640px) {
  .user-name { display: none; }
  .nav-container { padding: 0 1rem; }
}

/* ------------------------------------------------------------------ */
/*  Flash Messages                                                       */
/* ------------------------------------------------------------------ */
.flash-container {
  position: fixed;
  top: calc(var(--nav-height) + 1rem);
  right: 1rem;
  z-index: 500;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  max-width: 400px;
  width: calc(100vw - 2rem);
}

.flash-container--login {
  position: fixed;
  top: 1rem;
  right: 1rem;
}

.flash {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  box-shadow: var(--shadow-md);
  background: #fff;
  animation: flash-in 0.2s ease;
  transition: opacity 0.4s ease;
}

@keyframes flash-in {
  from { opacity: 0; transform: translateX(20px); }
  to   { opacity: 1; transform: translateX(0); }
}

.flash-success { background: var(--color-success-light); border-color: #86efac; color: #166534; }
.flash-error   { background: var(--color-error-light);   border-color: #fca5a5; color: #991b1b; }
.flash-warning { background: var(--color-warning-light); border-color: #fde68a; color: #92400e; }
.flash-info    { background: var(--color-info-light);    border-color: #7dd3fc; color: #075985; }

.flash-icon {
  font-size: 1rem;
  font-weight: 700;
  flex-shrink: 0;
}

.flash-message { font-size: 0.875rem; font-weight: 500; flex: 1; }

.flash-close {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 0.875rem;
  color: inherit;
  opacity: 0.6;
  transition: opacity var(--t-fast);
  flex-shrink: 0;
  padding: 2px;
}
.flash-close:hover { opacity: 1; }

/* ------------------------------------------------------------------ */
/*  Layout                                                               */
/* ------------------------------------------------------------------ */
.admin-main {
  flex: 1;
  padding: 2rem 0;
}

.page-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
}

.page-container--narrow {
  max-width: 720px;
}

/* ------------------------------------------------------------------ */
/*  Page Header                                                          */
/* ------------------------------------------------------------------ */
.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 2rem;
}

.page-header-left { display: flex; flex-direction: column; gap: 0.25rem; }
.page-header-right { display: flex; align-items: center; gap: 0.75rem; flex-shrink: 0; }

.page-title {
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: -0.03em;
  line-height: 1.2;
}

.page-subtitle {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

.business-title-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  transition: color var(--t-fast);
  margin-bottom: 0.25rem;
}
.back-link:hover { color: var(--color-primary); }

/* ------------------------------------------------------------------ */
/*  Buttons                                                              */
/* ------------------------------------------------------------------ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: all var(--t-fast);
  text-decoration: none;
  white-space: nowrap;
  user-select: none;
}

.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}
.btn-primary:hover:not(:disabled) {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(37,99,235,0.3);
}

.btn-secondary {
  background: var(--color-bg);
  color: var(--color-text);
  border-color: var(--color-border);
}
.btn-secondary:hover:not(:disabled) {
  background: var(--color-surface-hover);
  border-color: #d1d5db;
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-secondary);
  border-color: transparent;
}
.btn-ghost:hover:not(:disabled) {
  background: var(--color-surface-hover);
  color: var(--color-text);
}

.btn-danger-ghost {
  background: transparent;
  color: var(--color-error);
  border-color: transparent;
}
.btn-danger-ghost:hover:not(:disabled) {
  background: var(--color-error-light);
  border-color: #fca5a5;
}

.btn-sm  { padding: 0.4rem 0.875rem; font-size: 0.8125rem; }
.btn-xs  { padding: 0.3rem 0.625rem; font-size: 0.75rem; }

/* Publish button special */
.btn-publish {
  padding: 0.625rem 1.5rem;
  font-weight: 600;
  font-size: 0.9375rem;
}

/* Google login button */
.btn-google {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 0.75rem 1.5rem;
  background: #fff;
  color: #3c4043;
  border: 1.5px solid #dadce0;
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--t-fast);
  text-decoration: none;
  box-shadow: var(--shadow-xs);
  width: 100%;
  max-width: 320px;
  margin: 0 auto;
}

.btn-google:hover {
  background: #f8f9fa;
  box-shadow: var(--shadow-sm);
  border-color: #c7c9cc;
}

.google-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

/* ------------------------------------------------------------------ */
/*  Status Badges                                                        */
/* ------------------------------------------------------------------ */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.status-badge--published {
  background: #dcfce7;
  color: #15803d;
  border: 1px solid #86efac;
}

.status-badge--draft {
  background: var(--color-surface);
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}

.status-dot--green { background: var(--color-success); }
.status-dot--gray  { background: var(--color-text-muted); }

/* ------------------------------------------------------------------ */
/*  Business Card Grid                                                   */
/* ------------------------------------------------------------------ */
.business-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

@media (max-width: 1024px) {
  .business-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .business-grid { grid-template-columns: 1fr; }
}

.business-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: box-shadow var(--t-base), transform var(--t-base);
  overflow: hidden;
}

.business-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.business-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem 0;
}

.business-accent-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  flex-shrink: 0;
}

.business-accent-dot--lg {
  width: 16px;
  height: 16px;
}

.business-card-body {
  padding: 0.875rem 1.25rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.business-card-name {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.01em;
  line-height: 1.3;
}

.business-card-concept {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  font-style: italic;
}

.business-card-url {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.75rem;
  color: var(--color-primary);
  text-decoration: none;
  margin-top: 0.25rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.business-card-url:hover { text-decoration: underline; }

.business-card-date {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-top: 0.25rem;
}

.business-card-footer {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 1.25rem;
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
}

/* ------------------------------------------------------------------ */
/*  Empty State                                                          */
/* ------------------------------------------------------------------ */
.empty-state {
  text-align: center;
  padding: 5rem 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.empty-state-icon {
  font-size: 4rem;
  line-height: 1;
}

.empty-state-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-text);
}

.empty-state-description {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  max-width: 400px;
}

/* ------------------------------------------------------------------ */
/*  Form Card                                                            */
/* ------------------------------------------------------------------ */
.form-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 2rem;
  margin-bottom: 2rem;
}

.form-card-header {
  margin-bottom: 1.25rem;
}

.form-card-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1rem;
}

@media (max-width: 640px) {
  .form-row { grid-template-columns: 1fr; }
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
  margin-bottom: 1.25rem;
}

.form-group--narrow { max-width: 160px; }

.form-label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text);
}

.form-label--sm { font-size: 0.8125rem; }

.form-required {
  color: var(--color-error);
  margin-left: 2px;
}

.form-hint {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  margin-top: 0.25rem;
}

.form-input {
  width: 100%;
  padding: 0.6rem 0.875rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
  color: var(--color-text);
  background: var(--color-bg);
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
  outline: none;
}

.form-input:focus {
  border-color: var(--color-border-focus);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
}

.form-input::placeholder { color: var(--color-text-muted); }
.form-input--sm { padding: 0.45rem 0.75rem; font-size: 0.875rem; }

.form-color {
  width: 44px;
  height: 36px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  padding: 2px;
  background: var(--color-bg);
}

.color-picker-wrap {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.color-preview {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 2px solid var(--color-border);
  flex-shrink: 0;
  transition: background var(--t-fast);
}

.color-preview-label {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  font-family: monospace;
}

.form-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.75rem;
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--color-border);
}

.form-actions--inline {
  margin-top: 0.75rem;
  padding-top: 0;
  border-top: none;
  justify-content: flex-start;
}

/* ------------------------------------------------------------------ */
/*  Login Page                                                           */
/* ------------------------------------------------------------------ */
.login-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 3rem 2.5rem;
  width: 100%;
  max-width: 420px;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.login-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.login-title {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  font-style: italic;
  color: var(--color-text);
  letter-spacing: -0.02em;
}

.login-subtitle {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  font-weight: 400;
}

.login-description {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.login-footer-note {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-top: -0.5rem;
}

/* ------------------------------------------------------------------ */
/*  Sections & Items (business_edit)                                     */
/* ------------------------------------------------------------------ */
.sections-container {
  margin-top: 2rem;
}

.sections-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.sections-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text);
}

.sections-count {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: 2px 8px;
  border-radius: var(--radius-full);
}

.sections-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.section-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xs);
  overflow: hidden;
}

.section-card-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.875rem 1.25rem;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.section-drag-handle {
  color: var(--color-text-muted);
  cursor: grab;
  font-size: 1.1rem;
  line-height: 1;
  flex-shrink: 0;
}

.section-card-name {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  flex: 1;
}

.section-item-count {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
}

.section-card-body {
  padding: 1rem 1.25rem;
}

.section-empty-note {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  text-align: center;
  padding: 1.5rem;
  font-style: italic;
}

.sections-empty {
  background: var(--color-bg);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-md);
  padding: 2rem;
  text-align: center;
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

/* Items Table */
.items-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
  margin-bottom: 0.75rem;
}

.items-table th {
  text-align: left;
  padding: 0.5rem 0.75rem;
  color: var(--color-text-muted);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--color-border);
}

.items-table td {
  padding: 0.625rem 0.75rem;
  border-bottom: 1px solid var(--color-border);
  vertical-align: middle;
}

.item-row:last-child td { border-bottom: none; }
.item-row:hover { background: var(--color-surface); }

.item-name-text { font-weight: 500; color: var(--color-text); }

.item-desc-text {
  color: var(--color-text-secondary);
  font-size: 0.8125rem;
  max-width: 240px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  display: block;
}

.item-price-badge {
  display: inline-block;
  padding: 0.2rem 0.5rem;
  background: var(--color-primary-light);
  color: var(--color-primary);
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.8125rem;
}

.item-thumb {
  width: 44px;
  height: 44px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
}

.item-img-link { display: inline-block; }
.no-image { color: var(--color-text-muted); font-size: 0.75rem; }

.item-actions-cell { text-align: right; width: 48px; }

/* Add item form */
.add-item-toggle-wrap {
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px dashed var(--color-border);
}

.add-item-form-wrap {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  margin-top: 0.75rem;
}

.add-item-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.875rem;
}

@media (max-width: 768px) {
  .add-item-grid { grid-template-columns: 1fr; }
}

/* Image upload */
.image-upload-wrap {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.image-file-input { display: none; }

.image-preview {
  width: 44px;
  height: 44px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
}

.upload-status {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
}

/* Add section card */
.add-section-card {
  background: var(--color-bg);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  margin-top: 1rem;
}

.add-section-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  margin-bottom: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.add-section-row {
  display: flex;
  gap: 0.75rem;
}

@media (max-width: 640px) {
  .add-section-row { flex-direction: column; }
}

/* Published info */
.published-info-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: var(--color-success-light);
  border: 1px solid #86efac;
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  margin-top: 1.5rem;
}

.published-info-icon {
  font-size: 1.25rem;
  flex-shrink: 0;
  color: var(--color-success);
}

.published-info-content { flex: 1; }

.published-info-label {
  font-size: 0.8125rem;
  color: var(--color-success);
  font-weight: 500;
}

.published-info-url {
  font-size: 0.9rem;
  color: var(--color-success);
  font-weight: 600;
  word-break: break-all;
}
.published-info-url:hover { text-decoration: underline; }

/* ------------------------------------------------------------------ */
/*  Modal                                                                */
/* ------------------------------------------------------------------ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  animation: fade-in 0.2s ease;
}

@keyframes fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.modal-card {
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 480px;
  overflow: hidden;
  animation: slide-up 0.2s ease;
}

@keyframes slide-up {
  from { transform: translateY(16px); opacity: 0; }
  to   { transform: translateY(0); opacity: 1; }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--color-border);
}

.modal-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text);
}

.modal-close {
  width: 32px;
  height: 32px;
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--color-text-secondary);
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--t-fast);
}
.modal-close:hover { background: var(--color-surface-hover); color: var(--color-text); }

.modal-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
}

.qr-display {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1rem;
  box-shadow: var(--shadow-xs);
}

.qr-image {
  width: 200px;
  height: 200px;
  display: block;
}

.qr-info {
  text-align: center;
  width: 100%;
}

.qr-info-label {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  margin-bottom: 0.25rem;
}

.qr-url-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-primary);
  word-break: break-all;
}
.qr-url-link:hover { text-decoration: underline; }

.modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.75rem;
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
}

/* ------------------------------------------------------------------ */
/*  Loading Overlay                                                      */
/* ------------------------------------------------------------------ */
.loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(255,255,255,0.85);
  z-index: 900;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  backdrop-filter: blur(4px);
}

.loading-spinner {
  width: 44px;
  height: 44px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.loading-text {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  font-weight: 500;
}

/* ------------------------------------------------------------------ */
/*  Admin Footer                                                         */
/* ------------------------------------------------------------------ */
.admin-footer {
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
  padding: 1.25rem 2rem;
  text-align: center;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  flex-shrink: 0;
}

/* ------------------------------------------------------------------ */
/*  Responsive                                                           */
/* ------------------------------------------------------------------ */
@media (max-width: 768px) {
  .page-container { padding: 0 1rem; }
  .admin-main { padding: 1.25rem 0; }
  .form-card { padding: 1.25rem; }
  .page-title { font-size: 1.375rem; }
  .page-header { flex-direction: column; align-items: flex-start; }
  .page-header-right { width: 100%; }
  .page-header-right .btn { width: 100%; }
  .items-table { display: block; overflow-x: auto; }
}

@media (max-width: 480px) {
  .form-card { padding: 1rem; }
  .login-card { padding: 2rem 1.25rem; }
  .business-card-footer { flex-wrap: wrap; }
}