/**
 * SANTA Client Portal - Design System
 * Matches santa.css enterprise dark theme
 */
@import url("https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/variable/pretendardvariable-dynamic-subset.min.css");
@import url("https://fonts.googleapis.com/css2?family=Outfit:wght@400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500;600&display=swap");

:root {
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --primary-light: #818cf8;
  --primary-bg: rgba(99,102,241,0.1);
  --primary-glow: rgba(99,102,241,0.25);
  --secondary: #14b8a6;
  --secondary-bg: rgba(20,184,166,0.1);
  --accent: #f59e0b;
  --success: #22c55e;
  --success-bg: rgba(34,197,94,0.1);
  --warning: #f59e0b;
  --warning-bg: rgba(245,158,11,0.1);
  --danger: #ef4444;
  --danger-bg: rgba(239,68,68,0.1);
  --info: #3b82f6;
  --info-bg: rgba(59,130,246,0.1);

  --bg: #0f172a;
  --bg-2: #1e293b;
  --bg-3: #334155;
  --surface: #1e293b;
  --card: #1e293b;
  --card-hover: #263347;
  --border: rgba(148,163,184,0.12);
  --border-focus: var(--primary);
  --text: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --font: "Pretendard Variable", "Pretendard", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: "Outfit", var(--font);
  --font-mono: "JetBrains Mono", monospace;

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
  --shadow: 0 4px 6px -1px rgba(0,0,0,0.3), 0 2px 4px -2px rgba(0,0,0,0.2);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.3), 0 4px 6px -4px rgba(0,0,0,0.2);
  --shadow-glow: 0 0 40px rgba(99,102,241,0.15);

  --radius: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;

  --sidebar-w: 260px;
  --transition: 200ms ease;
}

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

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

/* ============================================
   SIDEBAR
   ============================================ */
.sidebar {
  width: var(--sidebar-w);
  min-height: 100vh;
  background: linear-gradient(180deg, #0f172a 0%, #131c2e 100%);
  border-right: 1px solid var(--border);
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 100;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 24px 20px;
  border-bottom: 1px solid var(--border);
}

.sidebar-logo > span {
  width: 36px; height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display);
  font-size: 1rem; font-weight: 800; color: #fff;
  flex-shrink: 0;
  box-shadow: 0 0 20px rgba(99,102,241,0.3);
}

.sidebar-logo-text {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: .95rem;
  line-height: 1.3;
}

.sidebar-logo-sub {
  font-size: .72rem;
  color: var(--text-muted);
  font-weight: 400;
}

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

.sidebar-menu a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: var(--radius);
  font-size: .875rem;
  color: var(--text-secondary);
  transition: all var(--transition);
  position: relative;
}

.sidebar-menu a:hover {
  background: rgba(255,255,255,0.05);
  color: var(--text);
}

.sidebar-menu a.active {
  background: var(--primary-bg);
  color: var(--primary-light);
  font-weight: 600;
}

.sidebar-menu a.active::before {
  content: "";
  position: absolute;
  left: 0; top: 50%;
  transform: translateY(-50%);
  width: 3px; height: 20px;
  background: var(--primary);
  border-radius: 0 4px 4px 0;
}

.sidebar-menu .divider {
  height: 1px;
  background: var(--border);
  margin: 8px 0;
}

/* ============================================
   MAIN CONTENT
   ============================================ */
.main-content {
  margin-left: var(--sidebar-w);
  padding: 32px 40px;
  min-height: 100vh;
}

.page-header {
  margin-bottom: 32px;
}

.page-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 6px;
  background: linear-gradient(135deg, var(--text) 0%, var(--text-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.page-sub {
  font-size: .875rem;
  color: var(--text-muted);
  margin-bottom: 28px;
}

/* ============================================
   STAT CARDS
   ============================================ */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 28px;
}

.stat-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 22px 24px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  opacity: 0;
  transition: opacity var(--transition);
}

.stat-card:hover {
  border-color: rgba(99,102,241,0.2);
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}

.stat-card:hover::before { opacity: 1; }

.stat-label {
  font-size: .78rem;
  color: var(--text-muted);
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 500;
}

.stat-val {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1;
}

/* ============================================
   CARDS
   ============================================ */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: border-color var(--transition);
}

.card:hover {
  border-color: rgba(148,163,184,0.2);
}

.card-title {
  font-size: .95rem;
  font-weight: 700;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 18px;
  border-radius: var(--radius);
  font-size: .875rem;
  font-weight: 600;
  font-family: var(--font);
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  box-shadow: 0 2px 8px rgba(99,102,241,0.3);
}
.btn-primary:hover {
  box-shadow: 0 4px 16px rgba(99,102,241,0.4);
  transform: translateY(-1px);
}

.btn-secondary {
  background: linear-gradient(135deg, var(--secondary), #0d9488);
  color: #fff;
  box-shadow: 0 2px 8px rgba(20,184,166,0.3);
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-secondary);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.05);
  border-color: rgba(148,163,184,0.25);
  color: var(--text);
}

.btn-danger { background: var(--danger); color: #fff; }
.btn-ghost { background: transparent; color: var(--text-secondary); padding: 8px 12px; }
.btn-ghost:hover { background: rgba(255,255,255,0.05); color: var(--text); }

.btn-sm { padding: 6px 12px; font-size: .8rem; border-radius: 6px; }
.btn-lg { padding: 12px 24px; font-size: 1rem; }

.btn-icon {
  width: 36px; height: 36px;
  padding: 0; border-radius: var(--radius);
  display: inline-flex; align-items: center; justify-content: center;
}

/* ============================================
   BADGES
   ============================================ */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.badge-blue   { background: var(--primary-bg); color: var(--primary-light); }
.badge-green  { background: var(--success-bg); color: var(--success); }
.badge-amber  { background: var(--warning-bg); color: var(--warning); }
.badge-red    { background: var(--danger-bg); color: var(--danger); }
.badge-info   { background: var(--info-bg); color: var(--info); }
.badge-gray   { background: rgba(100,116,139,0.15); color: var(--text-muted); }

/* ============================================
   FORMS
   ============================================ */
.form-group { margin-bottom: 18px; }

label {
  display: block;
  font-size: .8rem;
  color: var(--text-secondary);
  margin-bottom: 6px;
  font-weight: 500;
}

input[type=text],
input[type=email],
input[type=number],
input[type=password],
input[type=date],
select,
textarea {
  width: 100%;
  padding: 10px 14px;
  background: rgba(15,23,42,0.5);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: .875rem;
  font-family: var(--font);
  transition: border-color var(--transition), box-shadow var(--transition);
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(99,102,241,0.15);
}

textarea { min-height: 100px; resize: vertical; }
select { cursor: pointer; }
select option { background: var(--bg-2); color: var(--text); }

/* ============================================
   TABLES
   ============================================ */
.table-wrap { overflow-x: auto; border-radius: var(--radius); }

table { width: 100%; border-collapse: collapse; }

th {
  text-align: left;
  padding: 12px 16px;
  font-size: .75rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background: rgba(15,23,42,0.4);
  border-bottom: 1px solid var(--border);
}

td {
  padding: 12px 16px;
  font-size: .875rem;
  border-bottom: 1px solid rgba(148,163,184,0.06);
  color: var(--text-secondary);
}

tr:last-child td { border-bottom: none; }
tr:hover td { background: rgba(99,102,241,0.03); }

/* ============================================
   ALERTS
   ============================================ */
.alert {
  padding: 14px 18px;
  border-radius: var(--radius-lg);
  font-size: .875rem;
  margin-bottom: 18px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  line-height: 1.5;
}

.alert-success {
  background: var(--success-bg);
  border: 1px solid rgba(34,197,94,0.2);
  color: var(--success);
}
.alert-error {
  background: var(--danger-bg);
  border: 1px solid rgba(239,68,68,0.2);
  color: var(--danger);
}
.alert-info {
  background: var(--info-bg);
  border: 1px solid rgba(59,130,246,0.2);
  color: var(--info);
}
.alert-warning {
  background: var(--warning-bg);
  border: 1px solid rgba(245,158,11,0.2);
  color: var(--warning);
}

/* ============================================
   MODAL
   ============================================ */
.modal-backdrop {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.65);
  backdrop-filter: blur(8px);
  z-index: 400;
  align-items: center;
  justify-content: center;
}

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

.modal {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 32px;
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg), 0 0 60px rgba(99,102,241,0.1);
  animation: modalIn 0.2s ease;
}

@keyframes modalIn {
  from { opacity: 0; transform: scale(0.95) translateY(10px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.modal h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 24px;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

/* ============================================
   PROGRESS BAR
   ============================================ */
.progress-bar {
  background: rgba(255,255,255,0.06);
  border-radius: var(--radius-full);
  height: 6px;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  border-radius: var(--radius-full);
  transition: width 0.6s ease;
}

.progress-bar-fill.primary { background: linear-gradient(90deg, var(--primary), var(--primary-light)); }
.progress-bar-fill.secondary { background: linear-gradient(90deg, var(--secondary), #2dd4bf); }

/* ============================================
   QUICK MENU GRID
   ============================================ */
.quick-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 12px;
}

.quick-grid .btn {
  padding: 16px;
  flex-direction: column;
  gap: 8px;
  font-size: .85rem;
  border-radius: var(--radius-lg);
  min-height: 72px;
}

.quick-grid .btn .icon {
  font-size: 1.3rem;
}

/* ============================================
   COST NOTICE
   ============================================ */
.cost-notice {
  background: var(--primary-bg);
  border: 1px solid rgba(99,102,241,0.2);
  border-radius: var(--radius-lg);
  padding: 14px 18px;
  font-size: .84rem;
  color: var(--primary-light);
  margin-bottom: 20px;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .main-content { padding: 24px; }
  .card-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
    transition: transform 0.25s ease;
  }
  .sidebar.open { transform: none; }
  .main-content { margin-left: 0; padding: 16px; }
  .card-grid { grid-template-columns: 1fr 1fr; }
  .quick-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
  .card-grid { grid-template-columns: 1fr; }
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

.fade-up { animation: fadeUp 0.3s ease; }

/* Scrollbar */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--bg-3); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }