:root {
  --bg: #0F172A;
  --bg2: #020617;
  --panel: #1E293B;
  --panel-glass: rgba(255,255,255,0.06);
  --border: rgba(255,255,255,0.10);
  --text: #F1F5F9;
  --text-mid: #CBD5E1;
  --text-dim: #94A3B8;
  --primary: #38BDF8;
  --primary-dark: #0EA5E9;
  --blue: #3B82F6;
  --green: #22C55E;
  --red: #EF4444;
  --success: #34D399;
  --warning: #FACC15;
  --radius: 12px;
  --radius-lg: 16px;
  --radius-sm: 8px;
  --shadow: 0 8px 32px rgba(0,0,0,0.3);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.15); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.25); }

/* Header */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: 64px;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 24px;
  background: rgba(15,23,42,0.85);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border);
}

.header-left { display: flex; align-items: center; gap: 12px; }
.header-logo { width: 36px; height: 36px; border-radius: 10px; }
.header-brand { font-size: 18px; font-weight: 700; letter-spacing: -0.3px; color: var(--text); }
.header-brand span { color: var(--primary); }

.header-nav { display: flex; align-items: center; gap: 6px; }

.header-nav a, .header-nav button {
  color: var(--text-mid);
  text-decoration: none;
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.2s;
  background: transparent;
  border: none;
  cursor: pointer;
  white-space: nowrap;
}

.header-nav a:hover, .header-nav button:hover {
  background: rgba(255,255,255,0.08);
  color: var(--text);
}

.header-nav a.active, .header-nav button.active {
  background: rgba(56,189,248,0.15);
  color: var(--primary);
}

.btn-header-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark)) !important;
  color: #fff !important;
  font-weight: 600 !important;
}

.btn-header-primary:hover {
  opacity: 0.9;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark)) !important;
}

.user-avatar {
  width: 32px; height: 32px; border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; font-weight: 700; color: #fff;
  cursor: pointer;
  margin-left: 8px;
}

/* Hero */
.hero {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  text-align: center;
  padding: 100px 24px 80px;
  background: radial-gradient(ellipse at 50% 0%, rgba(56,189,248,0.12) 0%, transparent 60%),
              radial-gradient(ellipse at 80% 50%, rgba(52,211,153,0.06) 0%, transparent 50%),
              linear-gradient(180deg, var(--bg) 0%, var(--bg2) 100%);
}

.hero-content { max-width: 720px; }

.hero-badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 16px;
  border-radius: 999px;
  background: rgba(56,189,248,0.12);
  border: 1px solid rgba(56,189,248,0.25);
  color: var(--primary);
  font-size: 13px; font-weight: 600;
  margin-bottom: 24px;
}

.hero h1 {
  font-size: clamp(36px, 6vw, 64px);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 20px;
  letter-spacing: -1.5px;
}

.hero h1 span { background: linear-gradient(135deg, var(--primary), var(--green)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }

.hero p {
  font-size: 18px;
  color: var(--text-dim);
  max-width: 560px;
  margin: 0 auto 36px;
  line-height: 1.7;
}

.hero-buttons { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

.btn-primary, .btn-secondary {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 32px;
  border-radius: 999px;
  font-size: 16px; font-weight: 600;
  text-decoration: none;
  transition: all 0.25s;
  border: none; cursor: pointer;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  box-shadow: 0 4px 20px rgba(56,189,248,0.3);
}

.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(56,189,248,0.4); }

.btn-secondary {
  background: rgba(255,255,255,0.08);
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-secondary:hover { background: rgba(255,255,255,0.12); }

.store-badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 10px 24px;
  border-radius: 12px;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
  color: var(--text-mid);
  font-size: 14px; text-decoration: none; transition: all 0.2s;
}

.store-badge:hover { background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.2); }

/* Section */
.section {
  padding: 80px 24px;
  max-width: 1100px;
  margin: 0 auto;
}

.section-title {
  font-size: 32px;
  font-weight: 700;
  text-align: center;
  margin-bottom: 12px;
}

.section-sub {
  font-size: 16px;
  color: var(--text-dim);
  text-align: center;
  max-width: 600px;
  margin: 0 auto 48px;
}

/* FAQ */
.faq-list { max-width: 720px; margin: 0 auto; }

.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 10px;
  overflow: hidden;
  background: var(--panel-glass);
  transition: all 0.2s;
}

.faq-item:hover { border-color: rgba(255,255,255,0.18); }

.faq-q {
  padding: 18px 20px;
  display: flex; justify-content: space-between; align-items: center;
  cursor: pointer;
  font-weight: 600;
  font-size: 15px;
  user-select: none;
}

.faq-q .faq-icon {
  font-size: 18px;
  transition: transform 0.3s;
  color: var(--text-dim);
  flex-shrink: 0;
}

.faq-q.open .faq-icon { transform: rotate(45deg); }

.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  padding: 0 20px;
  color: var(--text-dim);
  font-size: 14px;
  line-height: 1.7;
}

.faq-a.open { max-height: 400px; padding: 0 20px 18px; }

.faq-role-tab.active { border-color: var(--primary) !important; background: var(--primary) !important; color: #fff !important; }

.faq-mgmt-row:hover { border-left: 3px solid var(--primary); }

/* Footer */
.footer {
  background: var(--bg2);
  border-top: 1px solid var(--border);
  padding: 48px 24px 32px;
}

.footer-grid {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
}

.footer-brand { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.footer-brand span { color: var(--primary); }
.footer-desc { color: var(--text-dim); font-size: 14px; max-width: 260px; line-height: 1.7; }
.footer h4 { font-size: 14px; font-weight: 600; margin-bottom: 16px; color: var(--text-mid); }
.footer a { display: block; color: var(--text-dim); text-decoration: none; font-size: 14px; margin-bottom: 8px; transition: color 0.2s; }
.footer a:hover { color: var(--text); }
.footer-bottom {
  max-width: 1100px; margin: 40px auto 0;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 12px;
  font-size: 13px; color: var(--text-dim);
}

/* Dashboard */
.dashboard { display: none; padding-top: 64px; min-height: 100vh; }
.dashboard.active { display: block; }
.landing { display: block; }
.landing.hidden { display: none; }

.dash-main-tabs {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding: 16px 24px 0;
  border-bottom: 1px solid var(--border);
  background: rgba(7, 16, 22, 0.35);
}
.dash-main-tab {
  padding: 10px 18px;
  border: 1px solid transparent;
  border-radius: 10px 10px 0 0;
  background: transparent;
  color: var(--text-dim);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  font-family: inherit;
}
.dash-main-tab:hover { color: var(--text); background: rgba(255,255,255,0.04); }
.dash-main-tab.active {
  color: var(--primary);
  background: rgba(56,189,248,0.12);
  border-color: var(--border);
  border-bottom-color: transparent;
}
.admin-only, .user-dash-tab { display: none; }
.admin-only.visible, .user-dash-tab.visible { display: inline-flex; }
.doc-approval-card {
  margin-top: 10px;
  padding: 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.04);
}
.doc-approval-card img {
  max-width: 100%;
  max-height: 280px;
  border-radius: var(--radius-sm);
  margin-top: 8px;
  display: block;
}
.doc-approval-actions { display: flex; gap: 8px; margin-top: 10px; flex-wrap: wrap; }

.dash-tabs {
  display: flex; gap: 4px; overflow-x: auto;
  padding: 16px 24px 0;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 64px; z-index: 50;
}

.dash-tab {
  padding: 10px 20px;
  border-radius: 999px;
  font-size: 14px; font-weight: 500;
  background: transparent;
  color: var(--text-dim);
  border: none; cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s;
}

.dash-tab:hover { background: rgba(255,255,255,0.06); color: var(--text); }
.dash-tab.active { background: rgba(56,189,248,0.15); color: var(--primary); }

.dash-content { padding: 24px; max-width: 1200px; margin: 0 auto; }

.dash-section { display: none; }
.dash-section.active { display: block; }

/* Dashboard header within tab */
.dash-section-header {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 24px; flex-wrap: wrap; gap: 12px;
}

.dash-section-header h2 { font-size: 22px; font-weight: 700; }
.dash-section-header .sub { color: var(--text-dim); font-size: 14px; }

/* Stats cards */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 14px;
  margin-bottom: 28px;
}

.stat-card {
  background: var(--panel-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}

.stat-card .label { font-size: 12px; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 6px; }
.stat-card .value { font-size: 28px; font-weight: 700; }
.stat-card .value.green { color: var(--green); }
.stat-card .value.blue { color: var(--primary); }
.stat-card .value.red { color: var(--red); }
.stat-card .value.yellow { color: var(--warning); }

/* Chart container */
.chart-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 24px;
}

.chart-card {
  background: var(--panel-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
}

.chart-card h3 { font-size: 14px; font-weight: 600; margin-bottom: 16px; color: var(--text-mid); }
.chart-card canvas { max-height: 260px; }

/* Tables */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.data-table th {
  text-align: left;
  padding: 12px 16px;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-dim);
  border-bottom: 1px solid var(--border);
  font-weight: 600;
}

.data-table td {
  padding: 12px 16px;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  color: var(--text-mid);
}

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

/* Support panel */
.support-container {
  display: grid;
  grid-template-columns: 320px 1fr 320px;
  gap: 16px;
  height: calc(100vh - 180px);
  min-height: 500px;
}

.support-right-tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--border);
}
.support-right-tab {
  flex: 1;
  padding: 10px;
  border: none;
  background: none;
  color: var(--text-dim);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: color .15s, border-color .15s;
}
.support-right-tab.active {
  color: var(--text);
  border-bottom-color: var(--primary);
}
.support-right-section { display: none; flex: 1; overflow-y: auto; }
.support-right-section.active { display: block; }

.support-panel {
  background: var(--panel-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex; flex-direction: column;
}

.support-panel-head {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  display: flex; justify-content: space-between; align-items: center;
  font-weight: 600; font-size: 13px;
}

.support-list { flex: 1; overflow-y: auto; padding: 8px; }
.support-thread {
  width: 100%; text-align: left;
  padding: 12px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.04);
  border: 1px solid transparent;
  margin-bottom: 6px;
  cursor: pointer;
  color: var(--text);
  transition: all 0.15s;
}

.support-thread:hover { border-color: rgba(56,189,248,0.3); background: rgba(56,189,248,0.08); }
.support-thread.active { border-color: var(--primary); background: rgba(56,189,248,0.12); }

.support-messages { flex: 1; overflow-y: auto; padding: 12px; display: flex; flex-direction: column; gap: 8px; }
.support-note-card {
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.04);
  border-radius: var(--radius-sm);
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.support-note-meta {
  font-size: 12px;
  color: var(--text-dim);
}
.support-note-text {
  white-space: pre-wrap;
  word-break: break-word;
  line-height: 1.45;
}
.support-note-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.msg-bubble {
  max-width: 78%;
  padding: 10px 14px;
  border-radius: 14px;
  background: rgba(255,255,255,0.07);
  border: 1px solid var(--border);
  font-size: 14px;
}

.msg-bubble.admin { margin-left: auto; background: rgba(56,189,248,0.14); border-color: rgba(56,189,248,0.3); }
.msg-bubble .msg-meta { font-size: 11px; color: var(--text-dim); margin-bottom: 4px; }

.support-composer { border-top: 1px solid var(--border); padding: 12px; display: flex; gap: 10px; }

/* Settings */
.settings-form { max-width: 480px; }
.form-group { margin-bottom: 20px; }
.form-label { display: block; font-size: 13px; font-weight: 600; color: var(--text-mid); margin-bottom: 6px; }
.form-input {
  width: 100%;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.06);
  color: var(--text);
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s;
}

.form-input:focus { border-color: var(--primary); }

/* Modal/Auth */
.modal-overlay {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(4px);
  display: none; align-items: center; justify-content: center;
  padding: 24px;
}

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

.modal {
  background: var(--panel-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  width: 100%;
  max-width: 420px;
  box-shadow: var(--shadow);
}

.modal h2 { font-size: 22px; font-weight: 700; margin-bottom: 6px; }
.modal .sub { color: var(--text-dim); font-size: 14px; margin-bottom: 24px; }

.modal .form-group { margin-bottom: 16px; }

.modal .btn-primary { width: 100%; justify-content: center; margin-top: 8px; }

.modal .toggle-link {
  text-align: center;
  margin-top: 16px;
  font-size: 14px;
  color: var(--text-dim);
}

.modal .toggle-link a { color: var(--primary); cursor: pointer; text-decoration: none; }
.modal .toggle-link a:hover { text-decoration: underline; }

.auth-error {
  background: rgba(239,68,68,0.12);
  border: 1px solid rgba(239,68,68,0.3);
  color: var(--red);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  margin-bottom: 16px;
  display: none;
}

.auth-error.show { display: block; }

/* Badge */
.badge {
  display: inline-flex; align-items: center;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 11px; font-weight: 600;
}

.badge-open { background: rgba(52,211,153,0.16); color: var(--success); }
.badge-closed { background: rgba(255,255,255,0.08); color: var(--text-dim); }
.badge-waiting { background: rgba(250,204,21,0.16); color: var(--warning); }

/* Loading */
.loading {
  text-align: center; padding: 40px;
  color: var(--text-dim);
}

.loading::after {
  content: '';
  display: inline-block; width: 24px; height: 24px;
  border: 2px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-left: 8px;
  vertical-align: middle;
}

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

/* Support Page */
.support-page {
  display: none;
  padding-top: 64px;
  min-height: 100vh;
  background: radial-gradient(ellipse at 30% 10%, rgba(56,189,248,0.08) 0%, transparent 50%),
              radial-gradient(ellipse at 70% 90%, rgba(52,211,153,0.05) 0%, transparent 50%),
              linear-gradient(180deg, var(--bg) 0%, var(--bg2) 100%);
}

.support-hero {
  text-align: center;
  padding: 60px 24px 40px;
}

.support-hero-badge {
  display: inline-flex;
  padding: 6px 18px;
  border-radius: 999px;
  background: rgba(56,189,248,0.12);
  border: 1px solid rgba(56,189,248,0.25);
  color: var(--primary);
  font-size: 12px; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.5px;
  margin-bottom: 16px;
}

.support-hero h1 {
  font-size: 36px; font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 10px;
}

.support-hero-sub {
  font-size: 16px;
  color: var(--text-dim);
  max-width: 500px;
  margin: 0 auto;
  line-height: 1.6;
}

.support-layout {
  max-width: 1060px;
  margin: 0 auto;
  padding: 0 24px 60px;
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 24px;
  align-items: start;
}
.support-page.guest-mode .support-layout {
  grid-template-columns: 1fr;
}
.support-page.guest-mode .support-info-col {
  display: none;
}

.support-card {
  background: var(--panel-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 20px;
  position: relative;
  overflow: hidden;
  transition: border-color 0.25s, box-shadow 0.25s;
}

.support-card:hover {
  border-color: rgba(255,255,255,0.16);
  box-shadow: 0 8px 32px rgba(0,0,0,0.2);
}

.support-card-accent {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--primary-dark), transparent);
}

.support-card-title {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text);
}

.support-card-text {
  font-size: 14px;
  color: var(--text-dim);
  line-height: 1.7;
}

.support-info-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.support-info-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.support-info-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: rgba(56,189,248,0.1);
  border: 1px solid rgba(56,189,248,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 14px;
  color: var(--primary);
}

.support-info-label {
  font-size: 12px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 2px;
}

.support-info-value {
  font-size: 14px;
  color: var(--text);
  text-decoration: none;
}

a.support-info-value:hover {
  color: var(--primary);
}

.support-quick-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.support-quick-link {
  font-size: 13px;
  color: var(--text-dim);
  text-decoration: none;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.03);
  border: 1px solid transparent;
  transition: all 0.2s;
}

.support-quick-link:hover {
  background: rgba(56,189,248,0.06);
  border-color: rgba(56,189,248,0.15);
  color: var(--primary);
}

.support-form-card .form-group {
  margin-bottom: 18px;
}

.field-req {
  color: var(--primary);
  font-weight: 600;
}

.support-full-width {
  grid-column: 1 / -1;
}

@media (max-width: 860px) {
  .support-layout {
    grid-template-columns: 1fr;
  }
  .support-hero h1 {
    font-size: 28px;
  }
}

@media (max-width: 480px) {
  .support-hero {
    padding: 40px 16px 24px;
  }
  .support-layout {
    padding: 0 16px 40px;
  }
  .support-card {
    padding: 18px;
  }
}

/* Support Tabs */
.support-tabs {
  display: flex;
  justify-content: center;
  gap: 4px;
  padding: 0 24px 24px;
}

.support-tab {
  padding: 10px 28px;
  font-size: 14px;
  font-weight: 600;
  border: 1px solid var(--border);
  background: var(--panel-glass);
  color: var(--text-dim);
  cursor: pointer;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  transition: all 0.15s;
}

.support-tab:hover { color: var(--text); border-color: rgba(56,189,248,0.3); }
.support-tab.active { color: var(--primary); border-color: var(--primary); background: rgba(56,189,248,0.08); }

.support-tab-content { display: none; }
.support-tab-content.active { display: block; }

/* Contact Chat */
.support-chat-container {
  display: flex;
  max-width: 960px;
  margin: 0 auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--panel-glass);
  height: 520px;
}

.support-chat-sidebar {
  width: 320px;
  min-width: 0;
  display: flex;
  flex-direction: column;
  background: var(--panel-glass);
  border-right: 1px solid var(--border);
  transition: width 0.2s, min-width 0.2s;
  overflow: hidden;
}

.support-chat-sidebar.collapsed {
  width: 0;
  min-width: 0;
  border-right: none;
}

.support-chat-sidebar.collapsed ~ .support-chat-divider .support-chat-collapse {
  transform: rotate(180deg);
}

.support-chat-threads {
  flex: 1;
  overflow-y: auto;
  padding: 8px;
}

.support-chat-divider {
  width: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
}

.support-chat-collapse {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 50%;
  width: 24px;
  height: 24px;
  font-size: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-dim);
  transition: transform 0.2s;
  padding: 0;
  line-height: 1;
}

.support-chat-collapse:hover { color: var(--text); border-color: var(--primary); }

.support-chat-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.support-chat-header {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.support-chat-back {
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 6px 12px;
  font-size: 13px;
  cursor: pointer;
  color: var(--text-dim);
  white-space: nowrap;
}

.support-chat-back:hover { color: var(--text); border-color: var(--primary); }

.support-chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 16px 18px;
}

.support-chat-composer {
  padding: 12px 18px;
  border-top: 1px solid var(--border);
  display: flex;
  gap: 10px;
  flex-shrink: 0;
}

.support-chat-composer .form-input { flex: 1; }

/* Responsive */
@media (max-width: 768px) {
  .support-chat-container { height: auto; flex-direction: column; }
  .support-chat-sidebar { width: 100%; border-right: none; border-bottom: 1px solid var(--border); }
  .support-chat-sidebar.collapsed { width: 0; height: 0; }
  .support-chat-divider { display: none; }
}
@media (max-width: 768px) {
  .header { padding: 0 16px; }
  .header-nav a:not(.btn-header-primary):not(.hamburger),
  .header-nav button:not(.btn-header-primary):not(.hamburger) { display: none; }
  .hamburger { display: inline-flex; }
  .hero { padding: 80px 16px 60px; }
  .hero h1 { font-size: clamp(26px, 7vw, 36px); }
  .hero p { font-size: 15px; }
  .section { padding: 60px 16px; }
  .chart-grid { grid-template-columns: 1fr; }
  .support-container { grid-template-columns: 1fr; height: auto; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .dash-content { padding: 16px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .form-row-3 { grid-template-columns: 1fr 1fr; }
  .form-row-2 { grid-template-columns: 1fr 1fr; }
  .store-badge { padding: 8px 16px; font-size: 13px; }
}

@media (max-width: 480px) {
  .header-nav a, .header-nav button { display: none; }
  .hamburger { display: inline-flex; }
  .stats-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero { padding: 72px 14px 48px; }
  .hero-badge { font-size: 11px; padding: 4px 12px; }
  .hero-buttons { flex-direction: column; align-items: stretch; }
  .hero-buttons .btn-primary,
  .hero-buttons .btn-secondary { justify-content: center; }
  .store-badge { padding: 6px 14px; font-size: 12px; }
  .form-row-3 { grid-template-columns: 1fr; }
  .form-row-2 { grid-template-columns: 1fr; }
  .signup-page > div { padding: 24px 16px !important; }
  .support-hero { padding: 32px 14px 20px; }
  .support-tabs { padding: 0 14px 16px; gap: 2px; }
  .support-tab { padding: 8px 16px; font-size: 12px; }
  .page-hero { padding: 32px 14px 20px; }
  .page-hero h1 { font-size: 24px; }
  .page-body { padding: 0 14px 32px; }
  .footer { padding: 32px 16px 24px; }
  .footer-grid { gap: 28px; }
  .footer-bottom { flex-direction: column; text-align: center; gap: 6px; }
  .btn-primary, .btn-secondary { padding: 12px 24px; font-size: 14px; }
  .support-layout { padding: 0 14px 32px; }
}

/* Hamburger */
.hamburger {
  display: none;
  width: 36px; height: 36px;
  align-items: center; justify-content: center;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  font-size: 20px;
  cursor: pointer;
  margin-left: 8px;
  transition: all 0.2s;
}
.hamburger:hover { background: rgba(255,255,255,0.08); border-color: var(--primary); }

/* Mobile Nav Overlay */
.mobile-nav {
  position: fixed; top: 0; right: -100%; z-index: 300;
  width: 280px; height: 100vh;
  background: var(--bg2);
  border-left: 1px solid var(--border);
  display: flex; flex-direction: column;
  padding: 72px 24px 24px;
  gap: 4px;
  transition: right 0.3s ease;
  box-shadow: -8px 0 32px rgba(0,0,0,0.4);
}
.mobile-nav.open { right: 0; }
.mobile-nav-close {
  position: absolute; top: 16px; right: 16px;
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  background: transparent; border: 1px solid var(--border);
  border-radius: 10px; color: var(--text);
  font-size: 22px; cursor: pointer;
}
.mobile-nav-close:hover { border-color: var(--primary); }
.mobile-nav button, .mobile-nav a {
  display: block; width: 100%; text-align: left;
  padding: 12px 16px; border-radius: var(--radius-sm);
  background: transparent; border: none;
  color: var(--text-mid); font-size: 15px; font-weight: 500;
  text-decoration: none; cursor: pointer;
  transition: all 0.15s;
}
.mobile-nav button:hover, .mobile-nav a:hover {
  background: rgba(255,255,255,0.06);
  color: var(--text);
}
.mobile-nav .btn-header-primary {
  text-align: center;
  margin-top: 8px;
}
.mobile-nav-overlay {
  position: fixed; inset: 0; z-index: 250;
  background: rgba(0,0,0,0.5);
  display: none;
}
.mobile-nav-overlay.open { display: block; }

/* Form row helpers */
.form-row-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 12px;
}
.form-row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

/* Generic page layout */
.page-standard {
  display: none;
  padding-top: 64px;
  min-height: 100vh;
  background: radial-gradient(ellipse at 30% 10%, rgba(56,189,248,0.08) 0%, transparent 50%),
              radial-gradient(ellipse at 70% 90%, rgba(52,211,153,0.05) 0%, transparent 50%),
              linear-gradient(180deg, var(--bg) 0%, var(--bg2) 100%);
}

.page-hero {
  text-align: center;
  padding: 60px 24px 32px;
}

.page-hero-badge {
  display: inline-flex;
  padding: 6px 18px;
  border-radius: 999px;
  background: rgba(56,189,248,0.12);
  border: 1px solid rgba(56,189,248,0.25);
  color: var(--primary);
  font-size: 12px; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.5px;
  margin-bottom: 16px;
}

.page-hero h1 {
  font-size: 36px; font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 10px;
}

.page-hero-sub {
  font-size: 16px;
  color: var(--text-dim);
  max-width: 500px;
  margin: 0 auto;
  line-height: 1.6;
}

.page-body {
  padding: 0 24px 60px;
}

@media (max-width: 860px) {
  .page-hero h1 { font-size: 28px; }
}