:root {
  --bg-0: #070d18;
  --bg-1: #0f172a;
  --bg-2: #111c33;
  --bg-3: #172554;
  --card: rgba(15, 23, 42, 0.82);
  --card-solid: #0f172a;
  --card-border: rgba(148, 163, 184, 0.14);
  --text: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --primary: #3b82f6;
  --primary-dark: #1d4ed8;
  --primary-light: #60a5fa;
  --primary-glow: rgba(59, 130, 246, 0.35);
  --success: #22c55e;
  --warning: #f59e0b;
  --danger: #ef4444;
  --info: #38bdf8;
  --input-bg: rgba(2, 6, 23, 0.55);
  --input-border: rgba(148, 163, 184, 0.18);
  --shadow-lg: 0 24px 60px rgba(2, 6, 23, 0.45);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;

  /* legacy aliases used in panel CSS files */
  --primary-color: var(--primary);
  --primary-dark-legacy: var(--primary-dark);
  --bg-primary: var(--bg-1);
  --bg-secondary: #1e293b;
  --bg-tertiary: #334155;
  --text-primary: var(--text);
  --border-color: rgba(148, 163, 184, 0.18);
  --border-light: rgba(148, 163, 184, 0.12);
  --shadow-sm: 0 1px 2px rgba(2, 6, 23, 0.35);
  --shadow-md: 0 8px 24px rgba(2, 6, 23, 0.35);
  --radius-sm-legacy: 6px;
  --radius-md-legacy: 8px;
  --radius-lg-legacy: 12px;
}

* {
  box-sizing: border-box;
}

html, body {
  min-height: 100%;
}

body {
  margin: 0;
  font-family: 'Vazirmatn', 'IRANSans', Tahoma, Arial, sans-serif;
  color: var(--text);
  background: var(--bg-0);
  direction: rtl;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(circle at top right, rgba(59, 130, 246, 0.16), transparent 28%),
    radial-gradient(circle at bottom left, rgba(14, 165, 233, 0.1), transparent 32%),
    linear-gradient(145deg, var(--bg-0) 0%, var(--bg-1) 45%, var(--bg-2) 100%);
}

body::after {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(148, 163, 184, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(circle at center, black, transparent 80%);
  pointer-events: none;
}

.fa, .fas, .far, .fal, .fab, .fa-solid, .fa-regular, .fa-light, .fa-brands,
[class*="fa-"], i[class*="fa-"] {
  font-family: "Font Awesome 6 Free", "Font Awesome 6 Brands" !important;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--text);
}

p, label, span, td, th, li {
  color: inherit;
}

a {
  color: var(--primary-light);
}

a:hover {
  color: #bfdbfe;
}

input, select, textarea, button {
  font-family: inherit;
}

input:not([type="checkbox"]):not([type="radio"]),
select,
textarea {
  width: 100%;
  background: var(--input-bg);
  color: var(--text);
  border: 1px solid var(--input-border);
  border-radius: var(--radius-md);
  padding: 10px 12px;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

input:not([type="checkbox"]):not([type="radio"]):focus,
select:focus,
textarea:focus {
  border-color: rgba(59, 130, 246, 0.65);
  box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.12);
}

select option {
  color: #111;
  background: #fff;
}

.btn,
.login-btn,
button.btn-primary,
button.btn-secondary,
button.btn-warning,
button.btn-success,
button.btn-outline,
.action-btn,
.logout-btn {
  border: none;
  border-radius: var(--radius-md);
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, opacity 0.15s ease;
}

.btn-primary,
.login-btn,
button[type="submit"]:not(.btn-secondary):not(.btn-outline):not(.btn-warning):not(.btn-close) {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  box-shadow: 0 10px 24px var(--primary-glow);
}

.btn-primary:hover,
.login-btn:hover:not(:disabled),
button[type="submit"]:not(.btn-secondary):not(.btn-outline):not(.btn-warning):not(.btn-close):hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 30px rgba(37, 99, 235, 0.4);
}

.btn-secondary,
.btn-outline,
.logout-btn {
  background: rgba(148, 163, 184, 0.08);
  color: var(--text-secondary);
  border: 1px solid var(--card-border);
}

.btn-secondary:hover,
.btn-outline:hover,
.logout-btn:hover {
  background: rgba(148, 163, 184, 0.14);
  color: var(--text);
}

.card,
.content-card,
.tile,
.ticket-item,
.admin-container main,
.page-container .content-section,
.summary-card {
  background: var(--card);
  border: 1px solid var(--card-border);
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow-lg);
}

table,
.tickets-table,
.table {
  width: 100%;
  border-collapse: collapse;
}

table th,
table td,
.tickets-table th,
.tickets-table td,
.table th,
.table td {
  border-bottom: 1px solid rgba(148, 163, 184, 0.1);
  color: var(--text-secondary);
}

table thead th,
.tickets-table thead th,
.table thead th {
  color: var(--text);
  background: rgba(148, 163, 184, 0.06);
}

::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: rgba(15, 23, 42, 0.5);
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: 999px;
}