/* ============================================
   AUHMS Client Portal - Stylesheet
   Mirrors the admin design system with a
   cleaner, client-facing aesthetic.
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');

/* ================================================
   DESIGN TOKENS
   ================================================ */
:root {
  /* Brand / Primary */
  --color-primary: #2563EB;
  --color-primary-hover: #1D4ED8;
  --color-primary-active: #1E40AF;
  --color-primary-light: #3B82F6;
  --color-primary-subtle: #DBEAFE;
  --color-primary-bg: #EFF6FF;
  --color-primary-rgb: 37, 99, 235;

  /* Success / Green */
  --color-success: #10B981;
  --color-success-hover: #059669;
  --color-success-light: #34D399;
  --color-success-subtle: #D1FAE5;
  --color-success-bg: #ECFDF5;
  --color-success-rgb: 16, 185, 129;

  /* Danger / Red */
  --color-danger: #EF4444;
  --color-danger-hover: #DC2626;
  --color-danger-light: #F87171;
  --color-danger-subtle: #FEE2E2;
  --color-danger-bg: #FEF2F2;
  --color-danger-rgb: 239, 68, 68;

  /* Warning / Amber */
  --color-warning: #F59E0B;
  --color-warning-hover: #D97706;
  --color-warning-light: #FBBF24;
  --color-warning-subtle: #FEF3C7;
  --color-warning-bg: #FFFBEB;
  --color-warning-rgb: 245, 158, 11;

  /* Info / Cyan */
  --color-info: #06B6D4;
  --color-info-hover: #0891B2;
  --color-info-light: #22D3EE;
  --color-info-subtle: #CFFAFE;
  --color-info-bg: #ECFEFF;
  --color-info-rgb: 6, 182, 212;

  /* Gray Scale */
  --gray-25: #FCFCFD;
  --gray-50: #F8FAFC;
  --gray-100: #F1F5F9;
  --gray-200: #E2E8F0;
  --gray-300: #CBD5E1;
  --gray-400: #94A3B8;
  --gray-500: #64748B;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1E293B;
  --gray-900: #0F172A;
  --gray-950: #020617;

  /* Semantic Colors */
  --bg-app: var(--gray-100);
  --bg-sidebar: var(--gray-900);
  --bg-header: #FFFFFF;
  --bg-card: #FFFFFF;
  --bg-card-hover: var(--gray-50);
  --bg-input: #FFFFFF;
  --bg-overlay: rgba(15, 23, 42, 0.6);

  --border-default: var(--gray-200);
  --border-light: var(--gray-100);
  --border-strong: var(--gray-300);
  --border-focus: var(--color-primary);
  --border-input: var(--gray-300);

  --text-primary: var(--gray-900);
  --text-secondary: var(--gray-500);
  --text-tertiary: var(--gray-400);
  --text-inverse: #FFFFFF;
  --text-link: var(--color-primary);
  --text-on-primary: #FFFFFF;

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  --text-xs: 0.6875rem;
  --text-sm: 0.8125rem;
  --text-base: 0.875rem;
  --text-md: 1rem;
  --text-lg: 1.25rem;
  --text-xl: 1.5rem;
  --text-2xl: 1.75rem;

  --leading-tight: 1.25;
  --leading-snug: 1.375;
  --leading-normal: 1.5;
  --leading-relaxed: 1.625;

  --font-regular: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;

  --tracking-tight: -0.025em;
  --tracking-normal: 0;
  --tracking-wide: 0.025em;
  --tracking-wider: 0.05em;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;

  /* Layout */
  --sidebar-width: 250px;
  --header-height: 60px;

  /* Shadows */
  --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 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
  --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.05), 0 1px 2px rgba(0, 0, 0, 0.03);
  --shadow-card-hover: 0 4px 12px rgba(0, 0, 0, 0.08), 0 2px 4px rgba(0, 0, 0, 0.04);

  /* Borders */
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --radius-xl: 12px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 120ms ease;
  --transition-base: 200ms ease;
  --transition-slow: 300ms ease;

  /* Z-Index */
  --z-dropdown: 100;
  --z-sidebar: 250;
  --z-modal: 400;
  --z-overlay: 500;
  --z-toast: 600;
}

/* ================================================
   RESET
   ================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--text-primary);
  background: var(--bg-app);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
a { color: inherit; text-decoration: none; }
button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
  color: inherit;
  border: none;
  outline: none;
  background: none;
}
button { cursor: pointer; }
table { border-collapse: collapse; }
img { max-width: 100%; display: block; }
ul, ol { list-style: none; }

/* ================================================
   APP LAYOUT
   ================================================ */
.app {
  display: flex;
  min-height: 100vh;
}

/* ---- Sidebar ---- */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: var(--sidebar-width);
  background: var(--bg-sidebar);
  display: flex;
  flex-direction: column;
  z-index: var(--z-sidebar);
  transition: transform var(--transition-slow);
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-5) var(--space-5);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.sidebar-brand-logo {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--color-primary) 0%, #3B82F6 50%, var(--color-success) 100%);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  position: relative;
  overflow: hidden;
}

.sidebar-brand-logo::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255,255,255,0.9);
  border-radius: 2px;
}

.sidebar-brand-text {
  display: flex;
  flex-direction: column;
}

.sidebar-brand-name {
  font-size: var(--text-base);
  font-weight: var(--font-bold);
  color: #FFFFFF;
  letter-spacing: var(--tracking-wide);
}

.sidebar-brand-sub {
  font-size: 10px;
  color: var(--gray-400);
  font-weight: var(--font-medium);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
}

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-4) var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.sidebar-nav::-webkit-scrollbar { width: 4px; }
.sidebar-nav::-webkit-scrollbar-track { background: transparent; }
.sidebar-nav::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 4px; }

.sidebar-label {
  font-size: 10px;
  font-weight: var(--font-semibold);
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  padding: var(--space-3) var(--space-3) var(--space-1);
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--gray-400);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.sidebar-link:hover {
  color: #FFFFFF;
  background: rgba(255,255,255,0.06);
}

.sidebar-link.active {
  color: #FFFFFF;
  background: rgba(37, 99, 235, 0.25);
}

.sidebar-link .icon {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.sidebar-link .icon svg {
  width: 18px;
  height: 18px;
}

.sidebar-footer {
  padding: var(--space-3);
  border-top: 1px solid rgba(255,255,255,0.08);
}

.sidebar-footer .sidebar-link {
  color: var(--gray-500);
}

.sidebar-footer .sidebar-link:hover {
  color: var(--color-danger-light);
  background: rgba(239, 68, 68, 0.1);
}

/* Sidebar overlay for mobile */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--bg-overlay);
  z-index: calc(var(--z-sidebar) - 1);
}

/* ---- Main Content ---- */
.main {
  flex: 1;
  margin-left: var(--sidebar-width);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ---- Header ---- */
.header {
  height: var(--header-height);
  background: var(--bg-header);
  border-bottom: 1px solid var(--border-default);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-6);
  position: sticky;
  top: 0;
  z-index: var(--z-dropdown);
  overflow: visible;
}

.header-left {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.header-title {
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  color: var(--text-primary);
  letter-spacing: var(--tracking-tight);
}

.header-subtitle {
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.header-right {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.header-user {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background var(--transition-fast);
  position: relative;
}

.header-user:hover {
  background: var(--gray-50);
}

.header-user-avatar {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xs);
  font-weight: var(--font-bold);
  color: white;
  background: var(--color-primary);
  flex-shrink: 0;
}

.header-user-info {
  display: flex;
  flex-direction: column;
}

.header-user-name {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
}

.header-user-role {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
}

/* Header profile dropdown */
.header-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  min-width: 220px;
  background: var(--bg-primary, #fff);
  border: 1px solid var(--gray-200, #e5e7eb);
  border-radius: var(--radius-lg, 12px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.15);
  z-index: 9999;
  padding: var(--space-1, 4px) 0;
}

.header-dropdown.open {
  display: block;
}

.header-dropdown-header {
  padding: var(--space-3) var(--space-4);
}

.header-dropdown-name {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
}

.header-dropdown-email {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  margin-top: 2px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.header-dropdown-divider {
  height: 1px;
  background: var(--gray-100);
  margin: var(--space-1) 0;
}

.header-dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  text-decoration: none;
  transition: background var(--transition-fast);
}

.header-dropdown-item:hover {
  background: var(--gray-50);
  color: var(--text-primary);
}

.header-dropdown-item .icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.header-dropdown-danger {
  color: var(--color-danger, #dc2626);
}

.header-dropdown-danger:hover {
  background: #fef2f2;
  color: var(--color-danger, #dc2626);
}

.mobile-toggle {
  display: none;
  width: 36px;
  height: 36px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
}

.mobile-toggle:hover {
  background: var(--gray-100);
}

.mobile-toggle svg {
  width: 20px;
  height: 20px;
}

/* ---- Content Area ---- */
.content {
  flex: 1;
  padding: var(--space-6);
  max-width: 1400px;
  width: 100%;
}

/* ---- Page Header ---- */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-6);
  flex-wrap: wrap;
  gap: var(--space-3);
}

.page-header-text h1 {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--text-primary);
  letter-spacing: var(--tracking-tight);
}

.page-header-text p {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  margin-top: var(--space-1);
}

.page-header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

/* ================================================
   BUTTONS
   ================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  height: 36px;
  padding: 0 var(--space-4);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  white-space: nowrap;
  cursor: pointer;
  border: 1px solid transparent;
  text-decoration: none;
  line-height: 1;
}

.btn-sm {
  height: 30px;
  padding: 0 var(--space-3);
  font-size: var(--text-xs);
}

.btn-lg {
  height: 42px;
  padding: 0 var(--space-6);
  font-size: var(--text-base);
}

.btn-primary {
  background: var(--color-primary);
  color: var(--text-on-primary);
  border-color: var(--color-primary);
}
.btn-primary:hover {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  box-shadow: 0 2px 8px rgba(var(--color-primary-rgb), 0.3);
}

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

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

.btn-secondary {
  background: var(--gray-100);
  color: var(--text-primary);
  border-color: var(--border-default);
}
.btn-secondary:hover {
  background: var(--gray-200);
  border-color: var(--gray-300);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
}
.btn-ghost:hover {
  background: var(--gray-100);
  color: var(--text-primary);
}

.btn-icon {
  width: 36px;
  padding: 0;
}
.btn-icon.btn-sm { width: 30px; }

.btn .icon { width: 16px; height: 16px; }
.btn .icon svg { width: 16px; height: 16px; }

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ================================================
   CARDS
   ================================================ */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--border-light);
  gap: var(--space-3);
}

.card-header-title {
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
}

.card-body {
  padding: var(--space-5);
}

.card-body-flush { padding: 0; }

.card-footer {
  padding: var(--space-3) var(--space-5);
  border-top: 1px solid var(--border-light);
  background: var(--gray-25);
}

/* ---- Stat Cards ---- */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-5);
  margin-bottom: var(--space-6);
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  transition: box-shadow var(--transition-base);
}

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

.stat-card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
}

.stat-card-label {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--text-secondary);
}

.stat-card-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.stat-card-icon svg { width: 20px; height: 20px; }
.stat-card-icon.blue { background: var(--color-primary-bg); color: var(--color-primary); }
.stat-card-icon.green { background: var(--color-success-bg); color: var(--color-success); }
.stat-card-icon.red { background: var(--color-danger-bg); color: var(--color-danger); }
.stat-card-icon.amber { background: var(--color-warning-bg); color: var(--color-warning); }
.stat-card-icon.cyan { background: var(--color-info-bg); color: var(--color-info); }

.stat-card-value {
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  color: var(--text-primary);
  letter-spacing: var(--tracking-tight);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.stat-card-footer {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
}

/* ================================================
   TABLES
   ================================================ */
.table-wrapper { overflow-x: auto; }

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
}

.table thead th {
  padding: var(--space-3) var(--space-4);
  text-align: left;
  font-weight: var(--font-semibold);
  font-size: var(--text-xs);
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  border-bottom: 2px solid var(--border-default);
  white-space: nowrap;
  background: var(--gray-25);
}

.table tbody tr {
  border-bottom: 1px solid var(--border-light);
  transition: background var(--transition-fast);
}

.table tbody tr:hover { background: var(--gray-50); }
.table tbody tr:last-child { border-bottom: none; }

.table tbody td {
  padding: var(--space-3) var(--space-4);
  color: var(--text-primary);
  vertical-align: middle;
}

.table tbody td.mono {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--text-secondary);
}

.table-empty {
  text-align: center;
  padding: var(--space-12) var(--space-4);
  color: var(--text-tertiary);
}

.table-clickable tbody tr { cursor: pointer; }

.table-toolbar {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--border-light);
  flex-wrap: wrap;
}

.table-toolbar-left {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex: 1;
}

.table-toolbar-right {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.table-search { position: relative; }

.table-search-input {
  width: 240px;
  height: 34px;
  padding: 0 var(--space-3) 0 34px;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  background: var(--bg-input);
  transition: all var(--transition-fast);
}

.table-search-input:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.1);
}

.table-search-icon {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  width: 14px;
  height: 14px;
  color: var(--gray-400);
}

/* ================================================
   CHIPS / STATUS BADGES
   ================================================ */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 10px;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  line-height: 1.5;
  white-space: nowrap;
}

.chip-dot {
  width: 6px;
  height: 6px;
  border-radius: var(--radius-full);
  flex-shrink: 0;
}

.chip-active, .chip-success, .chip-healthy, .chip-paid {
  background: var(--color-success-subtle);
  color: var(--color-success-hover);
}
.chip-active .chip-dot, .chip-success .chip-dot, .chip-healthy .chip-dot, .chip-paid .chip-dot {
  background: var(--color-success);
}

.chip-warning, .chip-pending {
  background: var(--color-warning-subtle);
  color: var(--color-warning-hover);
}
.chip-warning .chip-dot, .chip-pending .chip-dot {
  background: var(--color-warning);
}

.chip-danger, .chip-overdue, .chip-suspended, .chip-terminated {
  background: var(--color-danger-subtle);
  color: var(--color-danger-hover);
}
.chip-danger .chip-dot, .chip-overdue .chip-dot, .chip-suspended .chip-dot, .chip-terminated .chip-dot {
  background: var(--color-danger);
}

.chip-info {
  background: var(--color-info-subtle);
  color: var(--color-info-hover);
}
.chip-info .chip-dot { background: var(--color-info); }

.chip-primary {
  background: var(--color-primary-subtle);
  color: var(--color-primary);
}
.chip-primary .chip-dot { background: var(--color-primary); }

.chip-neutral {
  background: var(--gray-100);
  color: var(--gray-600);
}
.chip-neutral .chip-dot { background: var(--gray-400); }

/* Priority badges */
.priority {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
}

.priority-critical { color: var(--color-danger); }
.priority-high { color: #EA580C; }
.priority-medium { color: var(--color-warning); }
.priority-low { color: var(--color-info); }

.priority-bar {
  width: 3px;
  height: 14px;
  border-radius: var(--radius-full);
}
.priority-critical .priority-bar { background: var(--color-danger); }
.priority-high .priority-bar { background: #EA580C; }
.priority-medium .priority-bar { background: var(--color-warning); }
.priority-low .priority-bar { background: var(--color-info); }

/* ================================================
   FORMS
   ================================================ */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.form-label {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--text-primary);
}

.form-input,
.form-select,
.form-textarea {
  height: 38px;
  padding: 0 var(--space-3);
  border: 1px solid var(--border-input);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  background: var(--bg-input);
  color: var(--text-primary);
  transition: all var(--transition-fast);
  width: 100%;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.1);
}

.form-textarea {
  height: auto;
  min-height: 100px;
  padding: var(--space-3);
  resize: vertical;
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2394A3B8' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 32px;
}

.form-hint {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
}

.form-error-text {
  font-size: var(--text-xs);
  color: var(--color-danger);
}

.form-input.error,
.form-select.error,
.form-textarea.error {
  border-color: var(--color-danger);
  box-shadow: 0 0 0 3px rgba(var(--color-danger-rgb), 0.08);
}

.form-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding-top: var(--space-4);
}

/* Toggle switch */
.toggle {
  position: relative;
  display: inline-flex;
  width: 40px;
  height: 22px;
  cursor: pointer;
}

.toggle input { position: absolute; opacity: 0; width: 0; height: 0; }

.toggle-track {
  width: 100%;
  height: 100%;
  background: var(--gray-300);
  border-radius: var(--radius-full);
  transition: background var(--transition-fast);
}

.toggle input:checked + .toggle-track { background: var(--color-primary); }

.toggle-track::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 16px;
  height: 16px;
  background: white;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-xs);
  transition: transform var(--transition-fast);
}

.toggle input:checked + .toggle-track::after { transform: translateX(18px); }

/* ================================================
   MODAL
   ================================================ */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--bg-overlay);
  z-index: var(--z-modal);
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
}

.modal-overlay.open { display: flex; }

.modal {
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
  width: 100%;
  max-width: 560px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5);
  border-bottom: 1px solid var(--border-default);
}

.modal-title {
  font-size: var(--text-md);
  font-weight: var(--font-semibold);
}

.modal-close {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--gray-400);
  transition: all var(--transition-fast);
}
.modal-close:hover { background: var(--gray-100); color: var(--gray-600); }
.modal-close svg { width: 18px; height: 18px; }

.modal-body {
  padding: var(--space-5);
  overflow-y: auto;
  flex: 1;
}

.modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  border-top: 1px solid var(--border-default);
}

/* ================================================
   ALERTS / TOASTS
   ================================================ */
.alert {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  border: 1px solid;
  margin-bottom: var(--space-4);
}

.alert-success { background: var(--color-success-bg); border-color: var(--color-success-subtle); color: var(--color-success-hover); }
.alert-danger { background: var(--color-danger-bg); border-color: var(--color-danger-subtle); color: var(--color-danger-hover); }
.alert-warning { background: var(--color-warning-bg); border-color: var(--color-warning-subtle); color: var(--color-warning-hover); }
.alert-info { background: var(--color-info-bg); border-color: var(--color-info-subtle); color: var(--color-info-hover); }

.alert-icon { width: 18px; height: 18px; flex-shrink: 0; margin-top: 1px; }
.alert-icon svg { width: 18px; height: 18px; }

.toast-container {
  position: fixed;
  bottom: var(--space-5);
  right: var(--space-5);
  display: flex;
  flex-direction: column-reverse;
  gap: var(--space-2);
  z-index: var(--z-toast);
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--gray-900);
  color: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  font-size: var(--text-sm);
  pointer-events: auto;
  animation: toastIn 0.3s ease;
  max-width: 400px;
}

.toast.success { border-left: 3px solid var(--color-success); }
.toast.danger { border-left: 3px solid var(--color-danger); }
.toast.warning { border-left: 3px solid var(--color-warning); }
.toast.info { border-left: 3px solid var(--color-info); }

@keyframes toastIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* ================================================
   TICKET THREAD
   ================================================ */
.thread {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.thread-message {
  display: flex;
  gap: var(--space-3);
}

.thread-message-avatar {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xs);
  font-weight: var(--font-bold);
  color: white;
  flex-shrink: 0;
}

.thread-message-body { flex: 1; min-width: 0; }

.thread-message-header {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
}

.thread-message-name {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
}

.thread-message-role {
  font-size: var(--text-xs);
  padding: 1px 6px;
  border-radius: var(--radius-sm);
  background: var(--gray-100);
  color: var(--gray-600);
  font-weight: var(--font-medium);
}

.thread-message-time {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  margin-left: auto;
}

.thread-message-text {
  font-size: var(--text-sm);
  color: var(--text-primary);
  line-height: var(--leading-relaxed);
  background: var(--gray-50);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
}

.thread-message.staff .thread-message-text {
  background: var(--color-primary-bg);
  border-color: var(--color-primary-subtle);
}

.thread-reply {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding-top: var(--space-4);
  border-top: 1px solid var(--border-default);
}

/* ================================================
   DNS RECORD FORM
   ================================================ */
.dns-form-inline {
  display: grid;
  grid-template-columns: 2fr 1fr 3fr 1fr auto;
  gap: var(--space-3);
  align-items: end;
  padding: var(--space-4) var(--space-5);
  background: var(--gray-50);
  border-bottom: 1px solid var(--border-default);
}

/* ================================================
   EMPTY STATE
   ================================================ */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-12) var(--space-6);
  text-align: center;
}

.empty-state-icon {
  width: 48px;
  height: 48px;
  color: var(--gray-300);
  margin-bottom: var(--space-4);
}

.empty-state-icon svg { width: 48px; height: 48px; }

.empty-state-title {
  font-size: var(--text-md);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.empty-state-text {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  max-width: 360px;
}

/* ================================================
   LOADING SPINNER
   ================================================ */
.spinner {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

.spinner-dark {
  border-color: var(--gray-200);
  border-top-color: var(--color-primary);
}

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

.loading-overlay {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-12);
}

.loading-overlay .spinner {
  width: 32px;
  height: 32px;
  border-width: 3px;
}

/* ================================================
   UTILITY CLASSES
   ================================================ */
.text-right { text-align: right; }
.text-center { text-align: center; }
.text-muted { color: var(--text-secondary); }
.text-sm { font-size: var(--text-sm); }
.text-xs { font-size: var(--text-xs); }
.text-mono { font-family: var(--font-mono); }
.font-semibold { font-weight: var(--font-semibold); }
.mt-2 { margin-top: var(--space-2); }
.mt-4 { margin-top: var(--space-4); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.gap-3 { gap: var(--space-3); }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.hidden { display: none !important; }

/* ================================================
   DASHBOARD GRID
   ================================================ */
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-5);
}


/* ================================================
   RESPONSIVE
   Breakpoints: 1024px, 768px, 480px
   ================================================ */

/* ---- Table column priority (always active) ---- */
@media (max-width: 1024px) {
  .table .col-tertiary { display: none; }
}

@media (max-width: 768px) {
  .table .col-secondary { display: none; }
}

/* ---- 1024px — Tablet ---- */
@media (max-width: 1024px) {
  .sidebar {
    transform: translateX(-100%);
  }

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

  .app.sidebar-open .sidebar-overlay {
    display: block;
  }

  .main {
    margin-left: 0;
  }

  .mobile-toggle {
    display: flex;
  }

  .stat-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .table thead th {
    padding: var(--space-2) var(--space-3);
  }

  .table tbody td {
    padding: var(--space-2) var(--space-3);
  }
}

/* ---- 768px — Small tablet / Large phone ---- */
@media (max-width: 768px) {
  .stat-grid {
    grid-template-columns: 1fr;
  }

  .dashboard-grid {
    grid-template-columns: 1fr;
  }

  .content {
    padding: var(--space-4);
  }

  .page-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .dns-form-inline {
    grid-template-columns: 1fr;
  }

  .table-search-input {
    width: 100%;
  }

  .header-user-info {
    display: none;
  }

  /* Table: sticky first col + scroll affordance */
  .table-wrapper {
    position: relative;
  }

  .table-wrapper::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    width: 24px;
    background: linear-gradient(to right, transparent, rgba(0, 0, 0, 0.06));
    pointer-events: none;
    z-index: 1;
  }

  .table thead th:first-child,
  .table tbody td:first-child {
    position: sticky;
    left: 0;
    z-index: 2;
    background: var(--bg-card);
  }

  .table thead th:first-child {
    background: var(--gray-25);
  }

  .table {
    font-size: var(--text-xs);
  }

  .table thead th {
    padding: var(--space-2);
    font-size: 0.625rem;
  }

  .table tbody td {
    padding: var(--space-2);
  }

  /* Table toolbar stacking */
  .table-toolbar {
    flex-direction: column;
    align-items: stretch;
  }

  .table-toolbar-left,
  .table-toolbar-right {
    width: 100%;
  }

  /* Form touch targets */
  .form-input,
  .form-select {
    height: 44px;
    font-size: 16px;
  }

  .form-textarea {
    font-size: 16px;
  }

  .btn {
    height: 44px;
    padding: 0 var(--space-4);
  }

  .btn-sm {
    height: 36px;
    padding: 0 var(--space-3);
  }

  /* Card padding reduction */
  .card-body {
    padding: var(--space-4);
  }

  .card-header {
    padding: var(--space-3) var(--space-4);
  }

  .card-footer {
    padding: var(--space-3) var(--space-4);
  }

  /* Modal height constraint */
  .modal {
    max-height: calc(100dvh - 80px);
    max-height: calc(100vh - 80px);
  }

  .modal-lg {
    max-width: 100%;
  }
}

/* ---- 480px — Small phone ---- */
@media (max-width: 480px) {
  :root {
    --header-height: 52px;
  }

  .content {
    padding: var(--space-3);
  }

  .header-title {
    font-size: var(--text-sm);
  }

  /* Modal bottom-sheet */
  .modal-overlay {
    padding: 0;
    align-items: flex-end;
  }

  .modal {
    max-width: 100%;
    width: 100%;
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    max-height: 85vh;
  }

  .modal-footer {
    flex-wrap: wrap;
  }

  .modal-footer .btn {
    flex: 1 1 auto;
    min-width: 0;
  }

  .modal-body {
    padding: var(--space-4);
  }

  .modal-header {
    padding: var(--space-4);
  }

  .modal-footer {
    padding: var(--space-3) var(--space-4);
  }

  /* Card padding tighter */
  .card-body {
    padding: var(--space-3);
  }

  .card-header {
    padding: var(--space-3);
  }

  .card-footer {
    padding: var(--space-3);
  }

  /* Toast container */
  .toast-container {
    left: var(--space-3);
    right: var(--space-3);
    bottom: var(--space-3);
  }

  .toast {
    max-width: 100%;
  }
}

/* ---- Safe area support (notched devices) ---- */
@supports (padding: env(safe-area-inset-top)) {
  @media (max-width: 1024px) {
    .header {
      padding-left: max(var(--space-4), env(safe-area-inset-left));
      padding-right: max(var(--space-4), env(safe-area-inset-right));
    }

    .content {
      padding-left: max(var(--content-padding, var(--space-6)), env(safe-area-inset-left));
      padding-right: max(var(--content-padding, var(--space-6)), env(safe-area-inset-right));
      padding-bottom: max(var(--content-padding, var(--space-6)), env(safe-area-inset-bottom));
    }

    .modal-overlay {
      padding-bottom: env(safe-area-inset-bottom);
    }

    .toast-container {
      bottom: max(var(--space-5), env(safe-area-inset-bottom));
      right: max(var(--space-5), env(safe-area-inset-right));
    }

    .sidebar {
      padding-bottom: env(safe-area-inset-bottom);
    }
  }
}