/* =====================================================
   SUPER ADMIN — LIGHT PROFESSIONAL THEME
   ===================================================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:           #F8FAFC;
  --surface:      #FFFFFF;
  --surface2:     #F1F5F9;
  --border:       #E2E8F0;
  --border-strong:#CBD5E1;
  --text:         #0F172A;
  --text-muted:   #64748B;
  --text-light:   #94A3B8;
  --accent:       #FF9934;
  --accent-dk:    #E07A1A;
  --accent-lt:    #FFF4E6;
  --danger:       #EF4444;
  --danger-lt:    #FEF2F2;
  --success:      #22C55E;
  --success-lt:   #F0FDF4;
  --radius:       10px;
  --radius-sm:    6px;
  --radius-lg:    14px;
  --shadow-sm:    0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md:    0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg:    0 8px 32px rgba(0,0,0,0.10);
  --sidebar-w:    248px;
  --transition:   0.15s ease;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  min-height: 100vh;
}

/* =====================================================
   LOADING
   ===================================================== */
.sa-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  gap: 16px;
  background: var(--bg);
}

.sa-loading-spinner {
  width: 36px;
  height: 36px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.sa-loading p { color: var(--text-muted); font-size: 0.875rem; }

/* =====================================================
   LOGIN — SPLIT SCREEN
   ===================================================== */
.sa-login {
  display: flex;
  min-height: 100vh;
}

.sa-login-side {
  display: none;
  flex: 1;
  background: linear-gradient(135deg, #FF9934 0%, #E07A1A 60%, #CC6A10 100%);
  padding: 60px 48px;
  flex-direction: column;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.sa-login-side::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.06'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.sa-login-side-content { position: relative; z-index: 1; }
.sa-login-brand-big { margin-bottom: 48px; }
.sa-login-logo {
  display: block;
  width: 200px;
  height: auto;
  margin-bottom: 16px;
  filter: brightness(0) invert(1);
}
.sa-login-brand-big p  { color: rgba(255,255,255,0.85); font-size: 1rem; margin-top: 8px; }

.sa-login-features { display: flex; flex-direction: column; gap: 16px; }
.sa-feature-item {
  display: flex;
  align-items: center;
  gap: 12px;
  color: rgba(255,255,255,0.9);
  font-size: 0.9rem;
  font-weight: 500;
}
.sa-feature-icon { font-size: 1.2rem; width: 32px; text-align: center; }

.sa-login-form-side {
  width: 100%;
  max-width: 480px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 32px;
  background: var(--surface);
}

.sa-login-card { width: 100%; max-width: 380px; }

.sa-login-card-header { text-align: center; margin-bottom: 32px; }
.sa-login-logo-sm {
  display: block;
  width: 160px;
  height: auto;
  margin: 0 auto 18px;
}
.sa-login-card-header h1 { font-size: 1.5rem; font-weight: 700; margin-bottom: 6px; }
.sa-login-card-header p  { color: var(--text-muted); font-size: 0.875rem; }

/* =====================================================
   SIDEBAR
   ===================================================== */
#sa-app {
  display: flex;
  min-height: 100vh;
}

.sa-sidebar {
  width: var(--sidebar-w);
  min-height: 100vh;
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  z-index: 50;
}

.sa-sidebar-brand {
  padding: 18px 20px 16px;
  border-bottom: 1px solid var(--border);
}
.sa-sidebar-logo-img {
  display: block;
  width: 140px;
  height: auto;
  margin-bottom: 6px;
}
.sa-sidebar-role {
  font-size: 0.68rem;
  color: var(--text-light);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.sa-sidebar-nav { flex: 1; padding: 16px 12px; display: flex; flex-direction: column; gap: 2px; }

.sa-nav-section-label {
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--text-light);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 8px 8px 6px;
}
.sa-nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 9px 10px;
  border-radius: var(--radius-sm);
  border: none;
  background: none;
  color: var(--text-muted);
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  text-align: left;
  transition: background var(--transition), color var(--transition);
}
.sa-nav-item:hover { background: var(--surface2); color: var(--text); }
.sa-nav-item.active { background: var(--accent-lt); color: var(--accent-dk); font-weight: 600; }
.sa-nav-item.active svg { stroke: var(--accent); }
.sa-nav-badge {
  margin-left: auto;
  background: var(--accent);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 1px 7px;
  border-radius: 20px;
  min-width: 20px;
  text-align: center;
}

.sa-sidebar-footer {
  padding: 12px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 8px;
}
.sa-sidebar-user {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 1;
  min-width: 0;
}
.sa-user-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-dk));
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.sa-user-info { min-width: 0; }
.sa-user-name { font-size: 0.8rem; font-weight: 600; color: var(--text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sa-user-role { font-size: 0.68rem; color: var(--text-light); }
.sa-logout-btn {
  width: 30px;
  height: 30px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: none;
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
  flex-shrink: 0;
}
.sa-logout-btn:hover { background: var(--danger-lt); color: var(--danger); border-color: var(--danger); }

/* =====================================================
   MAIN CONTENT
   ===================================================== */
.sa-main {
  margin-left: var(--sidebar-w);
  flex: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.sa-page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 32px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  gap: 16px;
}
.sa-page-title { font-size: 1.25rem; font-weight: 700; color: var(--text); }
.sa-page-desc  { font-size: 0.8rem; color: var(--text-muted); margin-top: 2px; }

.sa-content-body { padding: 28px 32px; flex: 1; }

/* =====================================================
   STATS
   ===================================================== */
.sa-stats { display: flex; gap: 16px; margin-bottom: 28px; flex-wrap: wrap; }

.sa-stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  min-width: 200px;
  box-shadow: var(--shadow-sm);
}
.sa-stat-icon-wrap {
  width: 44px;
  height: 44px;
  background: var(--accent-lt);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--accent);
}
.sa-stat-info {}
.sa-stat-value { font-size: 1.75rem; font-weight: 800; color: var(--text); line-height: 1; }
.sa-stat-label { font-size: 0.78rem; color: var(--text-muted); margin-top: 4px; font-weight: 500; }

/* =====================================================
   RESTAURANT GRID / TABLE
   ===================================================== */
.sa-section { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-sm); }

.sa-restaurant-grid { display: flex; flex-direction: column; }

.sa-rest-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
}
.sa-rest-card:last-child { border-bottom: none; }
.sa-rest-card:hover { background: var(--surface2); }

.sa-rest-logo {
  width: 46px;
  height: 46px;
  border-radius: var(--radius-sm);
  background: var(--surface2);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  overflow: hidden;
  flex-shrink: 0;
}
.sa-rest-logo img { width: 100%; height: 100%; object-fit: contain; }

.sa-rest-info { flex: 1; min-width: 0; }
.sa-rest-name    { font-size: 0.9rem; font-weight: 600; color: var(--text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sa-rest-meta    { display: flex; align-items: center; gap: 10px; margin-top: 3px; flex-wrap: wrap; }
.sa-rest-slug    { font-size: 0.75rem; color: var(--accent); font-family: 'SF Mono', 'Fira Code', monospace; background: var(--accent-lt); padding: 1px 7px; border-radius: 4px; }
.sa-rest-address { font-size: 0.75rem; color: var(--text-muted); display: flex; align-items: center; gap: 4px; }

.sa-rest-status { flex-shrink: 0; }
.sa-status-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 3px 9px;
  border-radius: 20px;
  background: var(--success-lt);
  color: #16a34a;
}
.sa-status-badge--inactive {
  background: var(--surface2);
  color: var(--text-muted);
}
.sa-status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--success);
  flex-shrink: 0;
}
.sa-status-dot--inactive { background: var(--text-light); }

.sa-btn-deactivate {
  color: var(--text-muted);
  border: 1.5px solid var(--border);
  background: transparent;
}
.sa-btn-deactivate:hover {
  color: #92400e;
  background: #fffbeb;
  border-color: #fbbf24;
}
.sa-btn-activate {
  color: #16a34a;
  border: 1.5px solid #bbf7d0;
  background: var(--success-lt);
}
.sa-btn-activate:hover {
  background: #dcfce7;
  border-color: #86efac;
}

/* Inactive card style */
.sa-rest-card--inactive {
  opacity: 0.65;
}
.sa-rest-card--inactive:hover { opacity: 0.85; }

.sa-rest-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

/* Empty state */
.sa-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 64px 24px;
  gap: 10px;
  text-align: center;
}
.sa-empty-illustration { font-size: 3rem; margin-bottom: 8px; opacity: 0.5; }
.sa-empty-title { font-size: 1rem; font-weight: 600; color: var(--text); }
.sa-empty-desc  { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 8px; }

/* =====================================================
   FORMS
   ===================================================== */
.sa-form       { display: flex; flex-direction: column; gap: 18px; }
.sa-form-group { display: flex; flex-direction: column; gap: 6px; }
.sa-form-group label { font-size: 0.8rem; font-weight: 600; color: var(--text); }
.sa-form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

.sa-input {
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: inherit;
  font-size: 0.875rem;
  padding: 9px 13px;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
  width: 100%;
}
.sa-input:focus  { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(255,153,52,0.12); }
.sa-input::placeholder { color: var(--text-light); }

.sa-slug-wrap {
  display: flex;
  align-items: center;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.sa-slug-wrap:focus-within { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(255,153,52,0.12); }
.sa-slug-prefix {
  padding: 9px 12px;
  color: var(--text-muted);
  font-size: 0.82rem;
  border-right: 1.5px solid var(--border);
  white-space: nowrap;
  background: var(--surface2);
  font-weight: 500;
}
.sa-slug-input {
  background: var(--surface);
  border: none;
  border-radius: 0;
  flex: 1;
}
.sa-slug-input:focus { outline: none; border: none; box-shadow: none; }

.sa-hint    { font-size: 0.75rem; color: var(--text-muted); line-height: 1.4; }
.sa-sub-title { font-size: 0.9rem; font-weight: 700; color: var(--text); }
.sa-divider { border: none; border-top: 1px solid var(--border); margin: 4px 0; }
.sa-required { color: var(--danger); }

.sa-error {
  background: var(--danger-lt);
  border: 1px solid rgba(239,68,68,0.25);
  border-radius: var(--radius-sm);
  color: #DC2626;
  font-size: 0.8rem;
  padding: 8px 12px;
  font-weight: 500;
}

/* =====================================================
   BUTTONS
   ===================================================== */
.sa-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 18px;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  border: 1.5px solid transparent;
  transition: all var(--transition);
  text-decoration: none;
  white-space: nowrap;
  line-height: 1;
}
.sa-btn:disabled { opacity: 0.5; pointer-events: none; }

.sa-btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.sa-btn-primary:hover { background: var(--accent-dk); border-color: var(--accent-dk); }

.sa-btn-ghost {
  background: transparent;
  color: var(--text-muted);
  border-color: var(--border);
}
.sa-btn-ghost:hover { background: var(--surface2); color: var(--text); border-color: var(--border-strong); }

.sa-btn-outline {
  background: var(--surface);
  color: var(--text);
  border-color: var(--border);
}
.sa-btn-outline:hover { border-color: var(--accent); color: var(--accent); }

.sa-btn-danger {
  background: var(--danger);
  color: #fff;
  border-color: var(--danger);
}
.sa-btn-danger:hover { background: #DC2626; border-color: #DC2626; }

.sa-btn-sm { padding: 6px 12px; font-size: 0.78rem; }
.sa-btn-full { width: 100%; }

/* =====================================================
   MODALS
   ===================================================== */
.sa-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15,23,42,0.45);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 20px;
}

.sa-modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
}

.sa-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px 16px;
  border-bottom: 1px solid var(--border);
}
.sa-modal-header h3 { font-size: 1rem; font-weight: 700; color: var(--text); }

.sa-modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}
.sa-modal-close:hover { color: var(--text); background: var(--surface2); }

.sa-modal-body   { padding: 24px; display: flex; flex-direction: column; gap: 16px; }
.sa-modal-footer { display: flex; align-items: center; justify-content: flex-end; gap: 8px; padding: 16px 24px; border-top: 1px solid var(--border); }

/* Confirm modal */
.sa-confirm-modal { max-width: 400px; }
.sa-confirm-modal .sa-modal-body { align-items: center; text-align: center; padding: 32px 24px 24px; }
.sa-confirm-icon { font-size: 2.8rem; margin-bottom: 4px; }
.sa-confirm-modal h3 { font-size: 1.05rem; font-weight: 700; color: var(--text); margin-bottom: 6px; }
.sa-confirm-desc { color: var(--text-muted); font-size: 0.85rem; line-height: 1.5; }

/* =====================================================
   TOAST
   ===================================================== */
.sa-toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: var(--text);
  border-radius: var(--radius);
  color: #fff;
  font-size: 0.85rem;
  font-weight: 500;
  padding: 11px 20px;
  box-shadow: var(--shadow-lg);
  transition: transform 0.3s cubic-bezier(0.34,1.56,0.64,1), opacity 0.3s;
  opacity: 0;
  pointer-events: none;
  z-index: 9999;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 8px;
}
.sa-toast.show    { transform: translateX(-50%) translateY(0); opacity: 1; }
.sa-toast.success { background: #16a34a; }
.sa-toast.error   { background: var(--danger); }
.sa-toast.info    { background: #2563EB; }

/* =====================================================
   RESPONSIVE
   ===================================================== */
@media (min-width: 900px) {
  .sa-login-side { display: flex; }
  .sa-login-form-side { flex: none; }
}

@media (max-width: 768px) {
  :root { --sidebar-w: 0px; }

  .sa-sidebar {
    width: 240px;
    transform: translateX(-100%);
    transition: transform 0.25s ease;
    z-index: 200;
  }
  .sa-sidebar.open { transform: translateX(0); box-shadow: var(--shadow-lg); }
  .sa-main { margin-left: 0; }

  .sa-page-header { padding: 16px 20px; }
  .sa-content-body { padding: 20px; }

  .sa-stats .sa-stat-card { min-width: unset; flex: 1; }

  .sa-rest-card { flex-wrap: wrap; gap: 12px; }
  .sa-rest-status { display: none; }
  .sa-form-row { grid-template-columns: 1fr; }
}