/* =========================================================================
   پیام‌بر — Core Component Library
  兵马俑系统 __token-first__ 组件库
   ========================================================================= */

/* ─── Base Reset Helpers ──────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--color-text-primary);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img, svg { display: block; max-width: 100%; }
a { color: var(--color-cyan); text-decoration: none; transition: color var(--duration-fast) var(--ease-out); }
a:hover { color: #67e8f9; }

/* ─── Surface System ──────────────────────────────────────────────────── */
.surface {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(10px);
  transition: border-color var(--duration-normal) var(--ease-out), box-shadow var(--duration-normal) var(--ease-out);
}
.surface:hover { border-color: var(--color-border-strong); }
.surface-elevated {
  background: var(--color-surface-elevated);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

/* ─── Container ───────────────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}
.container-narrow { max-width: 960px; }
.container-wide { max-width: 1440px; }

/* ─── Page Header ─────────────────────────────────────────────────────── */
.page-header {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-7);
}
.page-header-icon {
  width: var(--size-lg);
  height: var(--size-lg);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-surface-strong);
  border: 1px solid var(--color-border);
  font-size: var(--text-xl);
  flex-shrink: 0;
}
.page-header h1 {
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  line-height: var(--leading-tight);
  margin: 0;
}
.page-header-sub {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-top: var(--space-1);
}

/* ─── Section ─────────────────────────────────────────────────────────── */
.section + .section { margin-top: var(--space-7); }
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-border);
}
.section-title {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  margin: 0;
}
.section-subtitle {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-top: var(--space-1);
}
.section-body { padding: var(--space-5); }

/* ─── Stat Cards ──────────────────────────────────────────────────────── */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-7);
}
.stat-card {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5) var(--space-5);
  overflow: hidden;
  transition: transform var(--duration-normal) var(--ease-out), border-color var(--duration-normal) var(--ease-out);
}
.stat-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: var(--accent, var(--color-cyan));
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}
.stat-card:hover {
  transform: translateY(-3px);
  border-color: var(--color-border-strong);
}
.stat-card-accent {
  position: absolute;
  top: var(--space-4);
  inset-inline-end: var(--space-4);
  width: var(--size-xs);
  height: var(--size-xs);
  border-radius: var(--radius-full);
  background: var(--accent, var(--color-cyan));
  box-shadow: 0 0 12px var(--accent, var(--color-cyan));
  opacity: 0.6;
}
.stat-value {
  font-size: var(--text-3xl);
  font-weight: var(--font-black);
  line-height: var(--leading-tight);
  background: linear-gradient(135deg, var(--color-cyan), var(--color-indigo));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: var(--space-1);
}
.stat-value-accent {
  background: linear-gradient(135deg, var(--color-bale), var(--color-cyan));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.stat-value-gold {
  background: linear-gradient(135deg, var(--color-gold), var(--color-orange));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.stat-label {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  font-weight: var(--font-medium);
}

/* ─── Buttons ─────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-5);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  line-height: var(--leading-tight);
  border-radius: var(--radius-full);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-out);
  white-space: nowrap;
  text-decoration: none;
  position: relative;
  overflow: hidden;
}
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-primary {
  background: var(--gradient-primary);
  color: var(--color-text-on-accent);
  box-shadow: 0 8px 20px -8px rgba(34, 211, 238, 0.55);
  border-color: transparent;
}
.btn-primary:hover:not(:disabled) {
  background: var(--gradient-primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 12px 28px -8px rgba(34, 211, 238, 0.7);
}
.btn-secondary {
  background: var(--color-surface-strong);
  color: var(--color-text-primary);
  border-color: var(--color-border-strong);
}
.btn-secondary:hover:not(:disabled) {
  background: var(--color-surface-elevated);
  border-color: var(--color-cyan);
}
.btn-ghost {
  background: transparent;
  color: var(--color-text-secondary);
  border-color: transparent;
}
.btn-ghost:hover:not(:disabled) {
  color: var(--color-text-primary);
  background: var(--color-surface);
}
.btn-success { background: var(--color-success); color: var(--color-text-inverse); border-color: var(--color-success); }
.btn-warning { background: rgba(244, 183, 64, 0.15); color: var(--color-gold); border-color: rgba(244, 183, 64, 0.35); }
.btn-danger { background: rgba(251, 106, 122, 0.15); color: var(--color-danger); border-color: rgba(251, 106, 122, 0.35); }

.btn-sm { padding: var(--space-1) var(--space-3); font-size: var(--text-xs); }
.btn-lg { padding: var(--space-3) var(--space-7); font-size: var(--text-lg); }

/* ─── Cards ───────────────────────────────────────────────────────────── */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  box-shadow: var(--shadow-sm);
  transition: border-color var(--duration-normal) var(--ease-out), box-shadow var(--duration-normal) var(--ease-out);
}
.card + .card { margin-top: var(--space-4); }
.card-elevated {
  background: var(--color-surface-elevated);
  border-color: var(--color-border-strong);
  box-shadow: var(--shadow-lg);
}
.card-interactive:hover {
  border-color: var(--color-cyan);
  box-shadow: var(--shadow-md), var(--glow-cyan);
  transform: translateY(-2px);
}
.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-border);
}
.card-title {
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  margin: 0;
}
.card-body { padding: var(--space-5); }
.card-footer {
  padding: var(--space-4) var(--space-5);
  border-top: 1px solid var(--color-border);
  background: rgba(0,0,0,0.15);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

/* ─── Feature Cards (Premium) ─────────────────────────────────────────── */
.feature-card {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  overflow: hidden;
  transition: all var(--duration-normal) var(--ease-out);
}
.feature-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: var(--accent, var(--color-cyan));
}
.feature-card:hover {
  border-color: var(--color-border-strong);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}
.feature-card-icon {
  width: var(--size-md);
  height: var(--size-md);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xl);
  margin-bottom: var(--space-4);
  background: var(--accent-bg, rgba(34,211,238,0.1));
  border: 1px solid var(--accent-border, rgba(34,211,238,0.2));
}
.feature-card h3 {
  font-size: var(--text-base);
  font-weight: var(--font-bold);
  margin: 0 0 var(--space-2) 0;
}
.feature-card p {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin: 0;
  line-height: var(--leading-relaxed);
}

/* Locked state */
.feature-card-locked {
  position: relative;
  overflow: hidden;
}
.feature-card-locked::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(7, 11, 22, 0.5);
  backdrop-filter: blur(1px);
  border-radius: var(--radius-lg);
  pointer-events: none;
}
.feature-card-locked .lock-icon {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-2xl);
  z-index: 2;
  opacity: 0.9;
}

/* Usage meter */
.usage-meter {
  margin-top: var(--space-3);
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-border);
}
.usage-meter-label {
  display: flex;
  justify-content: space-between;
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
  margin-bottom: var(--space-1);
}
.usage-meter-bar {
  height: 4px;
  background: var(--color-border);
  border-radius: var(--radius-full);
  overflow: hidden;
}
.usage-meter-fill {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  transition: width var(--duration-slow) var(--ease-out);
}

/* ─── Badges ──────────────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  border-radius: var(--radius-full);
  white-space: nowrap;
  border: 1px solid transparent;
}
.badge-vip {
  background: rgba(255, 184, 0, 0.15);
  color: var(--color-gold);
  border-color: rgba(255, 184, 0, 0.3);
}
.badge-free {
  background: rgba(52, 211, 153, 0.1);
  color: var(--color-green);
  border-color: rgba(52, 211, 153, 0.2);
}
.badge-platform {
  background: var(--color-surface-strong);
  color: var(--color-text-secondary);
  border-color: var(--color-border);
}
.badge-bale { background: rgba(45, 212, 165, 0.12); color: var(--color-bale); border-color: rgba(45, 212, 165, 0.25); }
.badge-rubika { background: rgba(139, 123, 247, 0.12); color: var(--color-rubika); border-color: rgba(139, 123, 247, 0.25); }
.badge-eitaa { background: rgba(244, 183, 64, 0.12); color: var(--color-eitaa); border-color: rgba(244, 183, 64, 0.25); }
.badge-telegram { background: rgba(56, 189, 248, 0.12); color: var(--color-telegram); border-color: rgba(56, 189, 248, 0.25); }
.badge-danger { background: rgba(251, 106, 122, 0.12); color: var(--color-danger); border-color: rgba(251, 106, 122, 0.25); }

/* ─── Forms ───────────────────────────────────────────────────────────── */
.form-group { margin-bottom: var(--space-4); }
.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2);
}
.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  color: var(--color-text-primary);
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: all var(--duration-fast) var(--ease-out);
  outline: none;
}
.form-input::placeholder { color: var(--color-text-tertiary); }
.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--color-cyan);
  background: rgba(255,255,255,0.045);
  box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.15);
}
.form-textarea {
  min-height: 120px;
  resize: vertical;
  line-height: var(--leading-relaxed);
}
.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: left var(--space-4) center;
  padding-inline-start: var(--space-8);
}
.form-select option { background: var(--color-bg-soft); color: var(--color-text-primary); }
.form-hint {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
  margin-top: var(--space-1);
}
.form-error {
  font-size: var(--text-xs);
  color: var(--color-danger);
  margin-top: var(--space-1);
}
.form-input-error { border-color: var(--color-danger) !important; }

/* ─── Tables ──────────────────────────────────────────────────────────── */
.table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}
.table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
}
.table th,
.table td {
  padding: var(--space-3) var(--space-4);
  text-align: start;
  border-bottom: 1px solid var(--color-border);
  vertical-align: middle;
}
.table th {
  font-weight: var(--font-semibold);
  color: var(--color-text-secondary);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  background: rgba(0,0,0,0.2);
  white-space: nowrap;
}
.table tbody tr { transition: background var(--duration-fast) var(--ease-out); }
.table tbody tr:hover { background: rgba(255,255,255,0.02); }
.table tbody tr:last-child td { border-bottom: none; }

/* ─── Alerts ──────────────────────────────────────────────────────────── */
.alert {
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-md);
  border: 1px solid;
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
}
.alert-success {
  background: rgba(52, 211, 153, 0.08);
  border-color: rgba(52, 211, 153, 0.3);
  color: #86efc9;
}
.alert-danger {
  background: rgba(251, 106, 122, 0.08);
  border-color: rgba(251, 106, 122, 0.3);
  color: #ffb3bd;
}
.alert-warning {
  background: rgba(244, 183, 64, 0.08);
  border-color: rgba(244, 183, 64, 0.3);
  color: #ffd98a;
}
.alert-info {
  background: rgba(34, 211, 238, 0.08);
  border-color: rgba(34, 211, 238, 0.3);
  color: #9ee9f7;
}

/* ─── Code ────────────────────────────────────────────────────────────── */
code {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  padding: var(--space-1) var(--space-2);
  background: var(--color-bg-soft);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-cyan);
  direction: ltr;
  display: inline-block;
}

/* ─── Divider ─────────────────────────────────────────────────────────── */
.divider {
  height: 1px;
  background: var(--color-border);
  border: none;
  margin: var(--space-6) 0;
}

/* ─── Empty State ─────────────────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: var(--space-10) var(--space-5);
  color: var(--color-text-tertiary);
}
.empty-state-icon {
  font-size: var(--text-4xl);
  margin-bottom: var(--space-4);
  opacity: 0.5;
}
.empty-state-title {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2);
}
.empty-state-desc {
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
}

/* ─── Loading Skeleton ────────────────────────────────────────────────── */
.skeleton {
  background: linear-gradient(90deg, var(--color-surface) 25%, var(--color-surface-strong) 50%, var(--color-surface) 75%);
  background-size: 200% 100%;
  animation: skeleton-pulse 1.5s ease-in-out infinite;
  border-radius: var(--radius-sm);
}
@keyframes skeleton-pulse {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}
.skeleton-text { height: 1em; margin-bottom: var(--space-2); }
.skeleton-text:last-child { width: 60%; }
.skeleton-title { height: 1.5em; width: 40%; margin-bottom: var(--space-3); }
.skeleton-card { height: 160px; border-radius: var(--radius-lg); }

/* ─── Channel Node ────────────────────────────────────────────────────── */
.channel-node {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: all var(--duration-fast) var(--ease-out);
}
.channel-node:hover {
  border-color: var(--color-border-strong);
  background: var(--color-surface-strong);
}
.channel-node-dot {
  width: 9px;
  height: 9px;
  border-radius: var(--radius-full);
  background: var(--accent, var(--color-cyan));
  box-shadow: 0 0 10px 1px var(--accent, var(--color-cyan));
  flex-shrink: 0;
}
.channel-node-title {
  font-weight: var(--font-semibold);
  font-size: var(--text-sm);
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.channel-node-action {
  flex-shrink: 0;
}

/* ─── Navigation ──────────────────────────────────────────────────────── */
.nav-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-text-secondary);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  text-decoration: none;
  transition: all var(--duration-fast) var(--ease-out);
}
.nav-pill:hover {
  color: var(--color-text-primary);
  background: var(--color-surface-strong);
}
.nav-pill-active {
  color: var(--color-text-inverse) !important;
  background: var(--gradient-primary) !important;
  border-color: transparent !important;
  box-shadow: var(--shadow-sm);
}

/* ─── Topbar ──────────────────────────────────────────────────────────── */
:root {
  --topbar-height: 64px;
}
.topbar {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background: rgba(7, 11, 22, 0.82);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-4) 0;
  padding-top: calc(var(--space-4) + env(safe-area-inset-top, 0));
}
.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-lg);
  font-weight: var(--font-extrabold);
  color: var(--color-text-primary);
  text-decoration: none;
  letter-spacing: var(--tracking-tight);
}
.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  box-shadow: 0 0 0 1px rgba(255,255,255,0.08), 0 8px 24px -8px rgba(34,211,238,0.6);
  font-size: var(--text-lg);
}
.user-chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
}

/* Nav Toggle (Hamburger) */
.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  padding: 0;
}
.hamburger {
  position: relative;
  width: 20px;
  height: 2px;
  background: var(--color-text-primary);
  border-radius: 2px;
  transition: background var(--duration-fast) var(--ease-out);
}
.hamburger::before,
.hamburger::after {
  content: "";
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--color-text-primary);
  border-radius: 2px;
  transition: transform var(--duration-normal) var(--ease-out);
}
.hamburger::before { top: -6px; }
.hamburger::after { bottom: -6px; }
.nav-toggle[aria-expanded="true"] .hamburger { background: transparent; }
.nav-toggle[aria-expanded="true"] .hamburger::before { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .hamburger::after { transform: translateY(-6px) rotate(-45deg); }

@media (max-width: 767px) {
  .nav-toggle { display: flex; }
}

/* ─── Nav Tabs ────────────────────────────────────────────────────────── */
.nav-tabs {
  position: sticky;
  top: 64px; /* below topbar */
  z-index: calc(var(--z-sticky) - 1);
  margin-bottom: var(--space-5);
  background: rgba(7, 11, 22, 0.72);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-2) 0;
}
.nav-tabs-inner {
  display: flex;
  gap: var(--space-1);
  padding-inline: var(--space-2);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.nav-tabs-inner::-webkit-scrollbar { display: none; }
.nav-tab {
  flex: 0 0 auto;
  scroll-snap-align: start;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  background: transparent;
  border: none;
  text-decoration: none;
  transition: all var(--duration-fast) var(--ease-out);
  white-space: nowrap;
}
.nav-tab:hover { color: var(--color-text-primary); background: var(--color-surface-strong); }
.nav-tab-active {
  color: var(--color-text-inverse) !important;
  background: var(--gradient-primary) !important;
  box-shadow: var(--shadow-sm), var(--glow-cyan);
}
.nav-tab:focus-visible {
  outline: 2px solid var(--color-cyan);
  outline-offset: 2px;
}

/* Close button — hidden on desktop */
.nav-tabs-close {
  display: none;
}

/* Mobile open state */
@media (max-width: 767px) {
  .nav-tabs {
    position: fixed;
    top: calc(var(--topbar-height, 64px) + env(safe-area-inset-top, 0));
    left: 0;
    right: 0;
    bottom: 0;
    z-index: calc(var(--z-sticky) + 1);
    background: rgba(7, 11, 22, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: none;
    border-right: 1px solid var(--color-border);
    padding: var(--space-6) var(--space-4);
    padding-bottom: calc(var(--space-6) + env(safe-area-inset-bottom, 0));
    transform: translateX(100%);
    transition: transform var(--duration-normal) var(--ease-out);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }
  .nav-tabs.nav-open { transform: translateX(0); }
  .nav-tabs-inner {
    flex-direction: column;
    gap: var(--space-2);
    padding: 0;
    overflow: visible;
    scroll-snap-type: none;
  }
  .nav-tab {
    width: 100%;
    height: auto;
    min-height: 48px;
    padding: var(--space-3) var(--space-5);
    border-radius: var(--radius-lg);
    justify-content: flex-start;
    font-size: var(--text-base);
  }
  .nav-tab::before {
    content: attr(title);
    display: inline;
    margin-inline-start: var(--space-3);
  }
  .nav-tabs-scroll-indicator { display: none; }
  .nav-tabs-close { display: none; }
}

/* Show labels on desktop */
@media (min-width: 768px) {
  .nav-tab {
    width: auto;
    height: auto;
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
    border-radius: var(--radius-lg);
    justify-content: flex-start;
  }
  .nav-tab::before { content: attr(title); margin-inline-start: var(--space-2); }
}

/* ─── Toast Notifications ─────────────────────────────────────────────── */
.toast-container {
  position: fixed;
  top: var(--space-5);
  inset-inline-start: var(--space-5);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  pointer-events: none;
}
.toast {
  pointer-events: auto;
  min-width: 320px;
  max-width: 420px;
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-md);
  background: var(--color-bg-soft);
  border: 1px solid var(--color-border-strong);
  box-shadow: var(--shadow-lg);
  color: var(--color-text-primary);
  font-size: var(--text-sm);
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  animation: toast-in var(--duration-normal) var(--ease-out);
  backdrop-filter: blur(12px);
}
.toast.removing { animation: toast-out var(--duration-normal) var(--ease-in) forwards; }
.toast-success { border-right: 4px solid var(--color-success); }
.toast-danger { border-right: 4px solid var(--color-danger); }
.toast-warning { border-right: 4px solid var(--color-gold); }
.toast-info { border-right: 4px solid var(--color-cyan); }
@keyframes toast-in {
  from { opacity: 0; transform: translateX(-30px); }
  to { opacity: 1; transform: translateX(0); }
}
@keyframes toast-out {
  from { opacity: 1; transform: translateX(0); }
  to { opacity: 0; transform: translateX(-30px); }
}

/* ─── Confirm Modal ───────────────────────────────────────────────────── */
.confirm-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  z-index: var(--z-modal-backdrop);
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--space-5);
}
.confirm-overlay.active { display: flex; }
.confirm-box {
  background: var(--color-bg-soft);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-lg);
  padding: var(--space-7);
  max-width: 400px;
  width: 100%;
  text-align: center;
  box-shadow: var(--shadow-xl);
}
.confirm-box h4 { font-size: var(--text-lg); font-weight: var(--font-bold); margin-bottom: var(--space-3); }
.confirm-box p { font-size: var(--text-sm); color: var(--color-text-secondary); margin-bottom: var(--space-5); line-height: var(--leading-relaxed); }
.confirm-actions { display: flex; gap: var(--space-3); justify-content: center; }

/* ─── Pagination ──────────────────────────────────────────────────────── */
.pagination {
  display: flex;
  gap: var(--space-2);
  justify-content: center;
  padding: var(--space-4);
}
.pagination-btn {
  min-width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 var(--space-3);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-text-secondary);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-out);
  font-family: var(--font-sans);
}
.pagination-btn:hover { border-color: var(--color-border-strong); color: var(--color-text-primary); }
.pagination-btn-active {
  background: var(--color-indigo) !important;
  color: #fff !important;
  border-color: var(--color-indigo) !important;
}

/* ─── Utility Helpers ─────────────────────────────────────────────────── */
.text-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.glow-cyan { box-shadow: var(--glow-cyan); }
.glow-violet { box-shadow: var(--glow-violet); }
.mt-1 { margin-top: var(--space-1); }
.mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }
.mt-5 { margin-top: var(--space-5); }
.mb-1 { margin-bottom: var(--space-1); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-5 { margin-bottom: var(--space-5); }
.mb-6 { margin-bottom: var(--space-6); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.flex-wrap { flex-wrap: wrap; }
.hidden { display: none; }
.text-muted { color: var(--color-text-secondary); }
.text-tertiary { color: var(--color-text-tertiary); }
.font-semibold { font-weight: var(--font-semibold); }
.font-bold { font-weight: var(--font-bold); }
.text-sm { font-size: var(--text-sm); }
.text-xs { font-size: var(--text-xs); }
.w-full { width: 100%; }
.h-full { height: 100%; }

/* ─── Touch Targets ───────────────────────────────────────────────────── */
.touch-min {
  min-height: var(--touch-min);
  min-width: var(--touch-min);
}
.btn, .nav-tab, .toggle-btn, .nav-toggle, .nav-tabs-close,
.nav-pill, .pagination-btn, .prices-btn, .prices-filter-tab,
.prices-symbol-category, .template-section-tab, .template-block,
.prices-builder-block, .prices-builder-variant, .prices-builder-quick-btn,
prices-asset-card, .prices-platform-card, .prices-channel-chip,
.prices-symbol-chip, .word-remove-btn, .setting-btn {
  min-height: var(--touch-min);
  min-width: var(--touch-min);
  touch-action: manipulation;
}
/* Allow smaller buttons via explicit override */
.btn-sm, .prices-btn-sm, .setting-btn-sm {
  min-height: auto;
  min-width: auto;
}

/* ─── Scroll Indicators ───────────────────────────────────────────────── */
.scroll-hint {
  position: relative;
}
.scroll-hint::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 40px;
  background: linear-gradient(to left, var(--color-surface-strong), transparent);
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--duration-fast) var(--ease-out);
}
.scroll-hint.scrollable::after {
  opacity: 1;
}

/* ─── Animations ──────────────────────────────────────────────────────── */
@keyframes fade-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}
.animate-fade-in {
  animation: fade-in var(--duration-slow) var(--ease-out) both;
}
.stagger-1 { animation-delay: 50ms; }
.stagger-2 { animation-delay: 100ms; }
.stagger-3 { animation-delay: 150ms; }
.stagger-4 { animation-delay: 200ms; }
.stagger-5 { animation-delay: 250ms; }
.stagger-6 { animation-delay: 300ms; }

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

/* ─── Mobile Sidebar ─────────────────────────────────────────────────────── */
.mobile-sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: calc(var(--z-sticky) + 10);
  opacity: 0;
  transition: opacity var(--duration-normal) var(--ease-out);
}
.mobile-sidebar-overlay.open {
  display: block;
  opacity: 1;
}

.mobile-sidebar {
  display: none;
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 280px;
  max-width: 85vw;
  background: var(--color-surface);
  border-left: 1px solid var(--color-border);
  z-index: calc(var(--z-sticky) + 11);
  transform: translateX(100%);
  transition: transform var(--duration-normal) var(--ease-out);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

@media (max-width: 767px) {
  .mobile-sidebar {
    display: block;
  }
  .mobile-sidebar.open {
    transform: translateX(0);
  }
}

.mobile-sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface-strong);
  position: sticky;
  top: 0;
  z-index: 1;
}
.mobile-sidebar-title {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text-primary);
}
.mobile-sidebar-close {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  background: transparent;
  color: var(--color-text-secondary);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background var(--duration-fast) var(--ease-out), color var(--duration-fast) var(--ease-out);
}
.mobile-sidebar-close:hover {
  background: var(--color-surface-strong);
  color: var(--color-text-primary);
}
.mobile-sidebar-close:focus-visible {
  outline: 2px solid var(--color-cyan);
  outline-offset: 2px;
}

.mobile-sidebar-nav {
  padding: var(--space-3) var(--space-4);
}
.mobile-sidebar-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-lg);
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: var(--text-base);
  font-weight: 500;
  transition: background var(--duration-fast) var(--ease-out), color var(--duration-fast) var(--ease-out);
  min-height: 48px;
}
.mobile-sidebar-item:hover {
  background: var(--color-surface-strong);
  color: var(--color-text-primary);
}
.mobile-sidebar-item:active {
  background: var(--color-primary-subtle);
  color: var(--color-primary);
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}
.shimmer {
  background: linear-gradient(90deg, transparent 25%, rgba(255,255,255,0.06) 50%, transparent 75%);
  background-size: 200% 100%;
  animation: shimmer 2s infinite;
}

/* ─── Responsive ──────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .section-header { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 480px) {
  .stat-grid { grid-template-columns: 1fr; }
}