/* ============================================================
   CADITECH ADMIN DASHBOARD - DESIGN SYSTEM
   Tokens · Typography · Utilities · Components
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=Space+Grotesk:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');

/* ── COLOR TOKENS ─────────────────────────────────────────── */
:root {
  /* Surfaces */
  --bg-root:        #04070e;
  --bg-sidebar:     rgba(6, 10, 22, 0.97);
  --bg-header:      rgba(6, 10, 22, 0.92);
  --bg-card:        rgba(12, 17, 34, 0.75);
  --bg-card-hover:  rgba(18, 25, 50, 0.9);
  --bg-input:       rgba(10, 14, 28, 0.8);
  --bg-modal:       rgba(8, 12, 26, 0.97);
  --bg-overlay:     rgba(2, 4, 10, 0.75);
  --bg-tooltip:     rgba(20, 28, 56, 0.98);
  --bg-surface:     rgba(14, 20, 40, 0.6);

  /* Borders */
  --border-subtle:  rgba(255, 255, 255, 0.06);
  --border-default: rgba(255, 255, 255, 0.1);
  --border-hover:   rgba(255, 255, 255, 0.16);
  --border-glow:    rgba(56, 189, 248, 0.3);
  --border-focus:   rgba(99, 102, 241, 0.5);

  /* Brand palette */
  --cyan:     #38bdf8;
  --cyan-dim: rgba(56, 189, 248, 0.15);
  --indigo:   #818cf8;
  --indigo-dim: rgba(129, 140, 248, 0.15);
  --purple:   #c084fc;
  --purple-dim: rgba(192, 132, 252, 0.15);
  --green:    #4ade80;
  --green-dim: rgba(74, 222, 128, 0.12);
  --yellow:   #facc15;
  --yellow-dim: rgba(250, 204, 21, 0.12);
  --red:      #f87171;
  --red-dim:  rgba(248, 113, 113, 0.12);
  --orange:   #fb923c;
  --orange-dim: rgba(251, 146, 60, 0.12);
  --teal:     #2dd4bf;
  --teal-dim: rgba(45, 212, 191, 0.12);
  --pink:     #f472b6;
  --pink-dim: rgba(244, 114, 182, 0.12);

  /* Text */
  --text-primary:   #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted:     #64748b;
  --text-inverse:   #0f172a;

  /* Gradients */
  --gradient-brand:   linear-gradient(135deg, #0284c7, #6366f1);
  --gradient-brand-hover: linear-gradient(135deg, #38bdf8, #818cf8);
  --gradient-success: linear-gradient(135deg, #059669, #06b6d4);
  --gradient-danger:  linear-gradient(135deg, #dc2626, #f97316);
  --gradient-glass:   linear-gradient(135deg, rgba(255,255,255,0.04), rgba(255,255,255,0.01));

  /* Shadows */
  --shadow-sm:   0 1px 3px rgba(0,0,0,0.4), 0 1px 2px rgba(0,0,0,0.3);
  --shadow-md:   0 4px 12px rgba(0,0,0,0.4), 0 2px 4px rgba(0,0,0,0.3);
  --shadow-lg:   0 12px 40px rgba(0,0,0,0.5), 0 4px 12px rgba(0,0,0,0.4);
  --shadow-glow: 0 0 20px rgba(56, 189, 248, 0.15);
  --shadow-card: 0 4px 16px rgba(0,0,0,0.3), inset 0 1px 0 rgba(255,255,255,0.04);

  /* Typography */
  --font-heading: 'Space Grotesk', sans-serif;
  --font-body:    'Plus Jakarta Sans', sans-serif;
  --font-mono:    'JetBrains Mono', monospace;

  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;

  /* Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;
  --radius-full: 9999px;

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --duration-fast: 150ms;
  --duration-normal: 250ms;
  --duration-slow: 400ms;
}

/* ── RESET ────────────────────────────────────────────────── */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  background: var(--bg-root);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.6;
  min-height: 100vh;
  overflow: hidden;
}

a { color: var(--cyan); text-decoration: none; }
a:hover { text-decoration: underline; }

img { max-width: 100%; display: block; }

input, select, textarea, button {
  font-family: inherit;
  font-size: inherit;
  outline: none;
}

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: rgba(255,255,255,0.12);
  border-radius: 999px;
}
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.2); }

/* ── TYPOGRAPHY ───────────────────────────────────────────── */
.heading-xl {
  font-family: var(--font-heading);
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
}
.heading-lg {
  font-family: var(--font-heading);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.25;
}
.heading-md {
  font-family: var(--font-heading);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.3;
}
.heading-sm {
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.4;
}
.text-sm { font-size: 13px; }
.text-xs { font-size: 11px; }
.text-xxs { font-size: 10px; }
.text-muted { color: var(--text-secondary); }
.text-dim { color: var(--text-muted); }
.text-mono { font-family: var(--font-mono); }
.text-uppercase { text-transform: uppercase; letter-spacing: 0.08em; }
.text-center { text-align: center; }
.text-right { text-align: right; }

/* ── GLASS CARD ───────────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
  transition: border-color var(--duration-normal) var(--ease-out),
              transform var(--duration-normal) var(--ease-out),
              box-shadow var(--duration-normal) var(--ease-out);
}

.card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-glass);
  pointer-events: none;
}

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

.card-header {
  padding: var(--space-md) var(--space-lg);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

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

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

/* ── STAT CARD ────────────────────────────────────────────── */
.stat-card {
  position: relative;
  overflow: hidden;
}

.stat-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
}

.stat-card .stat-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

.stat-card .stat-value {
  font-family: var(--font-heading);
  font-size: 26px;
  font-weight: 800;
  color: #fff;
  line-height: 1.1;
}

.stat-card .stat-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.stat-card .stat-trend {
  font-size: 11px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 3px;
}
.stat-trend.up { color: var(--green); }
.stat-trend.down { color: var(--red); }
.stat-trend.neutral { color: var(--text-muted); }

/* ── BUTTONS ──────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 9px 16px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  font-family: var(--font-heading);
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--duration-fast) var(--ease-out);
  white-space: nowrap;
  user-select: none;
  text-decoration: none;
}

.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--gradient-brand);
  color: #fff;
  border-color: rgba(56, 189, 248, 0.3);
  box-shadow: 0 2px 8px rgba(6, 95, 186, 0.3);
}
.btn-primary:hover {
  background: var(--gradient-brand-hover);
  box-shadow: 0 4px 16px rgba(56, 189, 248, 0.25);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-primary);
  border-color: var(--border-default);
}
.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--border-hover);
  color: var(--cyan);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: none;
  padding: 8px 12px;
}
.btn-ghost:hover { color: var(--text-primary); background: rgba(255,255,255,0.05); }

.btn-success {
  background: var(--gradient-success);
  color: #fff;
  border-color: rgba(52, 211, 153, 0.3);
}

.btn-danger {
  background: var(--red-dim);
  color: var(--red);
  border-color: rgba(248, 113, 113, 0.2);
}
.btn-danger:hover {
  background: rgba(248, 113, 113, 0.2);
}

.btn-sm {
  padding: 6px 12px;
  font-size: 11px;
  border-radius: var(--radius-sm);
}

.btn-icon {
  padding: 8px;
  width: 36px;
  height: 36px;
}

/* ── FORM CONTROLS ────────────────────────────────────────── */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.form-control {
  background: var(--bg-input);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  padding: 9px 12px;
  color: var(--text-primary);
  font-size: 13px;
  transition: border-color var(--duration-fast) var(--ease-out),
              box-shadow var(--duration-fast) var(--ease-out);
}
.form-control::placeholder { color: var(--text-muted); }
.form-control:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

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

select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath fill='%2394a3b8' d='M0 0l5 6 5-6z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 32px;
}

textarea.form-control {
  resize: vertical;
  min-height: 80px;
}

/* ── BADGES ───────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border: 1px solid transparent;
}

.badge-cyan    { background: var(--cyan-dim);   color: var(--cyan);   border-color: rgba(56,189,248,0.25); }
.badge-indigo  { background: var(--indigo-dim); color: var(--indigo); border-color: rgba(129,140,248,0.25); }
.badge-purple  { background: var(--purple-dim); color: var(--purple); border-color: rgba(192,132,252,0.25); }
.badge-green   { background: var(--green-dim);  color: var(--green);  border-color: rgba(74,222,128,0.25); }
.badge-yellow  { background: var(--yellow-dim); color: var(--yellow); border-color: rgba(250,204,21,0.25); }
.badge-red     { background: var(--red-dim);    color: var(--red);    border-color: rgba(248,113,113,0.25); }
.badge-orange  { background: var(--orange-dim); color: var(--orange); border-color: rgba(251,146,60,0.25); }

/* ── TABLES ───────────────────────────────────────────────── */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.data-table thead th {
  padding: 10px 14px;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-default);
  text-align: left;
  position: sticky;
  top: 0;
  background: var(--bg-card);
  z-index: 2;
}

.data-table tbody td {
  padding: 11px 14px;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-primary);
  vertical-align: middle;
}

.data-table tbody tr {
  transition: background var(--duration-fast) var(--ease-out);
}

.data-table tbody tr:hover {
  background: rgba(255, 255, 255, 0.03);
}

/* ── MODAL ────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: var(--bg-overlay);
  backdrop-filter: blur(6px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--duration-normal) var(--ease-out),
              visibility var(--duration-normal);
}

.modal-overlay.open {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background: var(--bg-modal);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  width: 90%;
  max-width: 640px;
  max-height: 85vh;
  overflow-y: auto;
  transform: translateY(16px) scale(0.97);
  transition: transform var(--duration-normal) var(--ease-spring);
}

.modal-overlay.open .modal-content {
  transform: translateY(0) scale(1);
}

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

.modal-body {
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.modal-footer {
  padding: var(--space-md) var(--space-lg);
  border-top: 1px solid var(--border-subtle);
  display: flex;
  justify-content: flex-end;
  gap: var(--space-sm);
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 22px;
  cursor: pointer;
  padding: 4px;
  line-height: 1;
  transition: color var(--duration-fast);
}
.modal-close:hover { color: var(--text-primary); }

/* ── EMPTY STATE ──────────────────────────────────────────── */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-2xl);
  text-align: center;
  gap: var(--space-md);
}
.empty-state-icon {
  font-size: 48px;
  opacity: 0.3;
}
.empty-state-text {
  font-size: 14px;
  color: var(--text-muted);
  max-width: 320px;
}

/* ── TOOLTIP ──────────────────────────────────────────────── */
[data-tooltip] {
  position: relative;
}
[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  background: var(--bg-tooltip);
  color: var(--text-primary);
  padding: 5px 10px;
  border-radius: var(--radius-sm);
  font-size: 11px;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: all var(--duration-fast) var(--ease-out);
  pointer-events: none;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-subtle);
  z-index: 999;
}
[data-tooltip]:hover::after {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

/* Tooltip positioned below element */
[data-tooltip-pos="bottom"]::after {
  bottom: auto;
  top: calc(100% + 8px);
  transform: translateX(-50%) translateY(-4px);
}
[data-tooltip-pos="bottom"]:hover::after {
  transform: translateX(-50%) translateY(0);
}

/* Suppress tooltip when active popover is open */
.header-dropdown-wrap.open [data-tooltip]::after,
.header-icon-btn[aria-expanded="true"]::after,
.header-avatar[aria-expanded="true"]::after {
  display: none !important;
}

/* ── ANIMATIONS ───────────────────────────────────────────── */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-16px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes pulse {
  0% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
  100% { opacity: 1; transform: scale(1); }
}

@keyframes spin {
  100% { transform: rotate(360deg); }
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

@keyframes countUp {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-in {
  animation: fadeIn var(--duration-slow) var(--ease-out) forwards;
  opacity: 0;
}

.animate-slide {
  animation: slideInLeft var(--duration-slow) var(--ease-out) forwards;
  opacity: 0;
}

/* Stagger children */
.stagger > * {
  animation: fadeIn var(--duration-slow) var(--ease-out) forwards;
  opacity: 0;
}
.stagger > *:nth-child(1) { animation-delay: 0ms; }
.stagger > *:nth-child(2) { animation-delay: 50ms; }
.stagger > *:nth-child(3) { animation-delay: 100ms; }
.stagger > *:nth-child(4) { animation-delay: 150ms; }
.stagger > *:nth-child(5) { animation-delay: 200ms; }
.stagger > *:nth-child(6) { animation-delay: 250ms; }
.stagger > *:nth-child(7) { animation-delay: 300ms; }
.stagger > *:nth-child(8) { animation-delay: 350ms; }

/* Loading skeleton */
.skeleton {
  background: linear-gradient(90deg, var(--bg-card) 25%, rgba(255,255,255,0.06) 50%, var(--bg-card) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}

/* Pulse dot */
.pulse-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
  display: inline-block;
  animation: pulse 2s infinite;
}

/* ── UTILITIES ────────────────────────────────────────────── */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-xs { gap: var(--space-xs); }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }
.gap-xl { gap: var(--space-xl); }
.w-full { width: 100%; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }