/* ============================================================
   DuanAPI — Glassmorphism UI
   ============================================================ */

:root {
  /* Nền */
  --bg:            #0a0616;
  --bg-2:          #120a26;
  --bg-3:          #1a0f36;

  /* Kính */
  --glass:         rgba(255,255,255,.045);
  --glass-strong:  rgba(255,255,255,.075);
  --glass-hover:   rgba(255,255,255,.10);

  /* Viền */
  --border:        rgba(255,255,255,.10);
  --border-strong: rgba(255,255,255,.18);

  /* Chữ */
  --text:          #f4f1ff;
  --text-2:        #cfc7f0;
  --muted:         #9a8fc4;

  /* Màu chủ đạt */
  --primary:       #7c5cff;
  --primary-2:     #a855f7;
  --primary-hover: #9d7dff;
  --accent:        #22d3ee;
  --accent-2:      #38bdf8;
  --pink:          #ec4899;

  --success:       #34d399;
  --danger:        #fb7185;
  --warn:          #fbbf24;

  --radius:        20px;
  --radius-sm:     12px;
  --radius-lg:     28px;
  --blur:          blur(24px) saturate(160%);

  --shadow:        0 18px 50px rgba(0,0,0,.45);
  --shadow-lg:     0 30px 80px rgba(0,0,0,.55);
  --glow:          0 0 40px rgba(124,92,255,.35);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

/* ---------- Nền gradient + quầng sáng ---------- */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(ellipse 900px 620px at 12% -8%,  rgba(124,92,255,.30), transparent 62%),
    radial-gradient(ellipse 780px 560px at 88% 4%,   rgba(168,85,247,.22), transparent 60%),
    radial-gradient(ellipse 900px 700px at 50% 105%, rgba(56,189,248,.14), transparent 62%),
    linear-gradient(170deg, #0a0616 0%, #140b28 42%, #0d0720 100%);
}

/* Grain mịn cho bớt phẳng */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: .035;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- Quầng sáng nổi (đặt trong layout) ---------- */
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  z-index: -1;
}
.orb-1 { width: 420px; height: 420px; background: rgba(124,92,255,.32);  top: -140px; left: -110px; }
.orb-2 { width: 360px; height: 360px; background: rgba(236,72,153,.20);  top: 120px;  right: -130px; }
.orb-3 { width: 300px; height: 300px; background: rgba(56,189,248,.18);  bottom: -90px; left: 30%; }

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

code, pre {
  font-family: "SF Mono", "Cascadia Code", Consolas, "Liberation Mono", Menlo, monospace;
  font-size: .875em;
}

.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ============================================================
   Topbar
   ============================================================ */
.topbar {
  position: sticky; top: 0; z-index: 100;
  background: rgba(10,6,22,.62);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  border-bottom: 1px solid var(--border);
}
.topbar-inner { display: flex; align-items: center; gap: 22px; height: 68px; }

.brand {
  font-weight: 800; font-size: 1.1rem; letter-spacing: -.03em;
  color: var(--text);
  display: inline-flex; align-items: center; gap: 8px;
}
.brand:hover { text-decoration: none; }
.brand .logo {
  width: 30px; height: 30px; border-radius: 9px;
  background: linear-gradient(135deg, var(--primary), var(--pink));
  display: grid; place-items: center;
  font-size: 15px;
  box-shadow: 0 4px 16px rgba(124,92,255,.5);
}

.nav { display: flex; gap: 4px; margin-right: auto; }
.nav a {
  color: var(--text-2); font-size: .9rem; font-weight: 500;
  padding: 8px 14px; border-radius: 999px;
  transition: background .18s, color .18s;
}
.nav a:hover { color: var(--text); background: var(--glass); text-decoration: none; }
.admin-link { color: var(--warn) !important; }

.topbar-right { display: flex; align-items: center; gap: 10px; }
.balance {
  background: linear-gradient(135deg, rgba(52,211,153,.16), rgba(34,211,238,.10));
  border: 1px solid rgba(52,211,153,.30);
  padding: 5px 13px; border-radius: 999px;
  font-size: .84rem; font-weight: 700; color: var(--success);
  white-space: nowrap;
}
.user-chip {
  color: var(--text-2); font-size: .88rem; font-weight: 500;
  padding: 6px 13px; border-radius: 999px;
  background: var(--glass); border: 1px solid var(--border);
  transition: background .18s, border-color .18s;
}
.user-chip:hover { background: var(--glass-hover); color: var(--text); text-decoration: none; }
.inline-form { display: inline-flex; gap: 6px; align-items: center; }

/* ============================================================
   Main / Footer
   ============================================================ */
.main { padding: 40px 24px 80px; min-height: calc(100vh - 150px); }

.footer {
  border-top: 1px solid var(--border);
  padding: 28px 0;
  color: var(--muted); font-size: .87rem;
  background: rgba(10,6,22,.4);
  backdrop-filter: blur(10px);
}
.footer-inner { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }

/* ============================================================
   Hero
   ============================================================ */
.hero { padding: 86px 0 64px; text-align: center; position: relative; overflow: hidden; }
.hero > .container { position: relative; z-index: 1; }

.hero-badge {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 8px 18px; border-radius: 999px;
  background: var(--glass-strong);
  border: 1px solid var(--border-strong);
  backdrop-filter: blur(12px);
  color: var(--primary-hover);
  font-size: .82rem; font-weight: 600;
  margin-bottom: 26px;
  box-shadow: 0 4px 24px rgba(124,92,255,.18);
}
.hero-badge .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 0 0 rgba(52,211,153,.6);
  animation: pulse 2.2s infinite;
}
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(52,211,153,.55); }
  70%  { box-shadow: 0 0 0 9px rgba(52,211,153,0); }
  100% { box-shadow: 0 0 0 0 rgba(52,211,153,0); }
}

.hero h1 {
  font-size: clamp(2.3rem, 6vw, 4rem);
  line-height: 1.08; letter-spacing: -.04em; font-weight: 850;
  text-shadow: 0 4px 40px rgba(124,92,255,.28);
}
.grad {
  background: linear-gradient(100deg, #c4b5fd 0%, var(--primary-hover) 35%, var(--pink) 75%, var(--accent) 100%);
  background-size: 220% 100%;
  -webkit-background-clip: text; background-clip: text; color: transparent;
  animation: shimmer 7s ease-in-out infinite;
}
@keyframes shimmer {
  0%, 100% { background-position: 0% 50%; }
  50%      { background-position: 100% 50%; }
}
.hero-sub {
  max-width: 660px; margin: 22px auto 0;
  color: var(--text-2); font-size: 1.06rem; font-weight: 400;
}
.hero-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-top: 36px; }

.hero-stats {
  display: flex; gap: 18px; justify-content: center; flex-wrap: wrap; margin-top: 56px;
}
.hero-stats div {
  display: flex; flex-direction: column; gap: 2px;
  padding: 18px 30px; min-width: 170px;
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow);
  position: relative; overflow: hidden;
  transition: transform .22s, border-color .22s, background .22s;
}
.hero-stats div:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
  background: var(--glass-strong);
}
.hero-stats strong {
  font-size: 1.5rem; font-weight: 800; letter-spacing: -.03em;
  background: linear-gradient(120deg, #ddd6fe, var(--primary-hover));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-stats span { color: var(--muted); font-size: .84rem; }

/* ============================================================
   Sections
   ============================================================ */
.section { padding: 60px 0; }
.section-alt { position: relative; }
.section-alt::before {
  content: ''; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(180deg, transparent, rgba(124,92,255,.06) 30%, rgba(124,92,255,.06) 70%, transparent);
  border-block: 1px solid var(--border);
}
.section-title {
  font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 800; letter-spacing: -.03em; margin-bottom: 10px;
}
.center { text-align: center; }
.muted { color: var(--muted); }
.small { font-size: .85rem; }
.nowrap { white-space: nowrap; }

/* ---------- Steps ---------- */
.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 18px; margin-top: 34px; }
.step {
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow);
  position: relative; overflow: hidden;
  transition: transform .22s, border-color .22s, background .22s;
}
.step::after, .stat::after, .plan-card::after, .hero-stats div::after {
  content: ''; position: absolute; inset: 0; border-radius: inherit;
  background: radial-gradient(300px circle at var(--mx, 50%) var(--my, 0%),
              rgba(255,255,255,.10), transparent 60%);
  opacity: 0; transition: opacity .3s; pointer-events: none;
}
.step:hover::after, .stat:hover::after, .plan-card:hover::after, .hero-stats div:hover::after { opacity: 1; }
.step:hover { transform: translateY(-4px); border-color: var(--border-strong); background: var(--glass-strong); }
.step-num {
  width: 34px; height: 34px; border-radius: 11px;
  background: linear-gradient(135deg, var(--primary), var(--pink));
  color: #fff;
  display: grid; place-items: center; font-weight: 800; font-size: .92rem;
  margin-bottom: 16px;
  box-shadow: 0 6px 20px rgba(124,92,255,.42);
}
.step h3 { font-size: 1.06rem; margin-bottom: 7px; font-weight: 700; letter-spacing: -.01em; }
.step p { color: var(--muted); font-size: .93rem; }

.features { list-style: none; display: flex; flex-direction: column; gap: 11px; margin-top: 16px; }
.features li { color: var(--text-2); font-size: .93rem; padding-left: 24px; position: relative; }
.features li::before {
  content: '✓'; position: absolute; left: 0; top: 0;
  color: var(--success); font-weight: 800;
}
.features strong { color: var(--text); }

.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 18px; }

/* ============================================================
   Card — kính mờ
   ============================================================ */
.card {
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  margin-bottom: 20px;
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}
/* Ánh sáng viền trên */
.card::before {
  content: ''; position: absolute; top: 0; left: 12%; right: 12%; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.35), transparent);
}
/* Ánh sáng theo con trỏ */
.card::after {
  content: ''; position: absolute; inset: 0; border-radius: inherit;
  background: radial-gradient(340px circle at var(--mx, 50%) var(--my, 0%),
              rgba(255,255,255,.09), transparent 62%);
  opacity: 0; transition: opacity .3s; pointer-events: none;
}
.card:hover::after { opacity: 1; }
.card-title { font-size: 1.1rem; font-weight: 750; letter-spacing: -.02em; }
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-bottom: 18px; }
.card-head .card-title { margin: 0; }
.card-foot { margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--border); }

/* ============================================================
   Stats
   ============================================================ */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-bottom: 26px; }
.stat {
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 22px;
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow);
  position: relative; overflow: hidden;
  transition: transform .22s, border-color .22s;
}
.stat:hover { transform: translateY(-3px); border-color: var(--border-strong); }
.stat::before {
  content: ''; position: absolute; top: -50%; right: -30%;
  width: 160px; height: 160px; border-radius: 50%;
  background: radial-gradient(circle, rgba(124,92,255,.22), transparent 70%);
  pointer-events: none;
}
.stat-label {
  color: var(--muted); font-size: .78rem; text-transform: uppercase;
  letter-spacing: .07em; font-weight: 700;
}
.stat-value {
  font-size: 1.85rem; font-weight: 800; letter-spacing: -.035em; margin: 6px 0 2px;
  background: linear-gradient(120deg, #ffffff, #c4b5fd);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.stat-value-sm { font-size: 1.25rem; }
.stat-sub, .stat-link { color: var(--muted); font-size: .85rem; }
.stat-link:hover { color: var(--primary-hover); text-decoration: none; }

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  padding: 10px 20px; border-radius: 999px; border: 1px solid transparent;
  font-size: .92rem; font-weight: 650; cursor: pointer; font-family: inherit;
  transition: transform .16s, box-shadow .2s, background .2s, border-color .2s, opacity .15s;
  white-space: nowrap;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-2) 55%, var(--pink) 130%);
  color: #fff;
  box-shadow: 0 8px 26px rgba(124,92,255,.42);
}
.btn-primary:hover { box-shadow: 0 12px 34px rgba(124,92,255,.55); }
.btn-ghost {
  background: var(--glass); border-color: var(--border-strong); color: var(--text);
  backdrop-filter: blur(12px);
}
.btn-ghost:hover { background: var(--glass-hover); border-color: var(--primary); }
.btn-danger {
  background: rgba(251,113,133,.12); color: var(--danger);
  border-color: rgba(251,113,133,.32);
}
.btn-danger:hover { background: rgba(251,113,133,.22); }
.btn-sm { padding: 6px 13px; font-size: .83rem; }
.btn-lg { padding: 14px 30px; font-size: 1rem; }
.btn-block { width: 100%; }
.btn:disabled { opacity: .45; cursor: not-allowed; transform: none; }

/* ============================================================
   Forms
   ============================================================ */
.form { display: flex; flex-direction: column; gap: 16px; }
.form-inline { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.field { display: flex; flex-direction: column; gap: 7px; }
.field > span { font-size: .87rem; font-weight: 650; color: var(--text-2); }
.field em { color: var(--muted); font-style: normal; font-weight: 400; }
.hint { color: var(--muted); font-size: .8rem; font-style: normal; }

input[type=text], input[type=email], input[type=password], input[type=number],
input[type=search], select, textarea {
  background: rgba(0,0,0,.28);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 14px; border-radius: var(--radius-sm);
  font-size: .93rem; font-family: inherit; width: 100%;
  transition: border-color .18s, box-shadow .18s, background .18s;
}
input::placeholder, textarea::placeholder { color: rgba(154,143,196,.6); }
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--primary);
  background: rgba(0,0,0,.38);
  box-shadow: 0 0 0 4px rgba(124,92,255,.18);
}
select option { background: #1a0f36; color: var(--text); }
input:disabled { opacity: .6; }
.input-sm { width: 92px; padding: 6px 9px; font-size: .85rem; }
.select-sm { width: auto; padding: 5px 10px; font-size: .82rem; }
.check-inline { display: flex; align-items: center; gap: 7px; font-size: .87rem; color: var(--text-2); }
.check-inline input { width: auto; }
.filter-form { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.filter-form select, .filter-form input { width: auto; min-width: 170px; }

/* ============================================================
   Tables
   ============================================================ */
.table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: rgba(0,0,0,.16);
}
.table { width: 100%; border-collapse: collapse; font-size: .9rem; }
.table th {
  text-align: left; padding: 12px 14px; color: var(--muted); font-weight: 700;
  font-size: .75rem; text-transform: uppercase; letter-spacing: .07em;
  border-bottom: 1px solid var(--border);
  background: rgba(255,255,255,.03);
  white-space: nowrap;
}
.table td { padding: 12px 14px; border-bottom: 1px solid rgba(255,255,255,.055); vertical-align: middle; }
.table tbody tr:last-child td { border-bottom: none; }
.table tbody tr:hover { background: var(--glass); }
.table code {
  background: rgba(124,92,255,.14); padding: 2px 8px; border-radius: 6px;
  color: #c4b5fd; font-size: .85em;
}
.table form { display: inline-flex; gap: 6px; align-items: center; }

.pill {
  display: inline-block; padding: 3px 11px; border-radius: 999px;
  font-size: .73rem; font-weight: 700; text-transform: uppercase; letter-spacing: .05em;
  border: 1px solid transparent;
}
.pill-ok    { background: rgba(52,211,153,.14); color: var(--success); border-color: rgba(52,211,153,.28); }
.pill-off   { background: rgba(154,143,196,.14); color: var(--muted);   border-color: rgba(154,143,196,.26); }
.pill-warn  { background: rgba(251,191,36,.14); color: var(--warn);     border-color: rgba(251,191,36,.28); }
.badge {
  background: var(--glass-strong); border: 1px solid var(--border);
  color: var(--text-2); padding: 4px 12px; border-radius: 999px;
  font-size: .79rem; font-weight: 650;
}

.admin-actions { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }

/* ============================================================
   Alerts
   ============================================================ */
.alert {
  padding: 13px 18px; border-radius: var(--radius-sm); margin-bottom: 18px;
  font-size: .92rem; border: 1px solid transparent; backdrop-filter: blur(12px);
}
.alert-success {
  background: rgba(52,211,153,.10); border-color: rgba(52,211,153,.30); color: #6ee7b7;
}
.alert-error {
  background: rgba(251,113,133,.10); border-color: rgba(251,113,133,.30); color: #fda4af;
}
.alert-key {
  background: linear-gradient(135deg, rgba(52,211,153,.12), rgba(34,211,238,.07));
  border-color: rgba(52,211,153,.32);
}
.key-box {
  display: flex; align-items: center; gap: 10px; margin-top: 11px;
  background: rgba(0,0,0,.35); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 11px 14px;
}
.key-box code { flex: 1; word-break: break-all; color: var(--success); font-size: .88rem; }

/* ============================================================
   Page head
   ============================================================ */
.page-head {
  display: flex; align-items: flex-start; justify-content: space-between;
  gap: 20px; flex-wrap: wrap; margin-bottom: 28px;
}
.page-head h1 {
  font-size: 1.75rem; letter-spacing: -.035em; font-weight: 800;
  background: linear-gradient(120deg, #ffffff, #c4b5fd);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.page-head-actions { display: flex; gap: 10px; flex-wrap: wrap; }

/* ============================================================
   Auth
   ============================================================ */
.auth-wrap { display: flex; justify-content: center; padding: 48px 0; }
.auth-card { width: 100%; max-width: 430px; }
.auth-card .card-title {
  font-size: 1.5rem; margin-bottom: 5px; font-weight: 800;
}
.auth-alt { text-align: center; color: var(--muted); font-size: .9rem; margin-top: 22px; }

/* Đăng nhập dự phòng cho admin */
.auth-backup-form { margin-top: 22px; display: flex; flex-direction: column; gap: 8px; }
.auth-backup-form label { font-size: .82rem; color: var(--muted); font-weight: 600; }
.auth-backup-form input[type="email"],
.auth-backup-form input[type="password"] {
  width: 100%; padding: 11px 14px; border-radius: 10px;
  border: 1px solid var(--border); background: #11131a; color: var(--text);
  font-size: .92rem;
}
.auth-backup-form input:focus { outline: 2px solid rgba(167,139,250,.5); outline-offset: 1px; }

/* Nút đăng nhập Google */
.btn-google {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  background: #fff; color: #1f1f1f; border: 1px solid var(--border);
  font-weight: 650; padding: 11px 18px; font-size: .92rem; line-height: 1.2;
}
.btn-google:hover { background: #f7f7f7; border-color: #d5d5d5; box-shadow: 0 10px 26px rgba(0,0,0,.22); }

/* Icon Google — set cả width/height để không phụ thuộc CSS cache */
.btn-google .g-icon {
  width: 18px !important; height: 18px !important;
  flex: 0 0 18px; min-width: 18px; max-width: 18px;
  display: block;
}

/* Đường kẻ "hoặc" */
.divider {
  display: flex; align-items: center; gap: 14px;
  margin: 20px 0; color: var(--muted); font-size: .8rem; text-transform: uppercase; letter-spacing: .08em;
}
.divider::before, .divider::after {
  content: ''; flex: 1; height: 1px; background: var(--border);
}

/* ============================================================
   Plans
   ============================================================ */
.plan-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 18px; margin: 28px 0; }
.plan-card {
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px; display: flex; flex-direction: column; position: relative;
  overflow: hidden;
  backdrop-filter: var(--blur);
  box-shadow: var(--shadow);
  transition: transform .22s, border-color .22s, box-shadow .22s;
}
.plan-card:hover { transform: translateY(-5px); border-color: var(--border-strong); box-shadow: var(--shadow-lg); }
.plan-current {
  border-color: var(--primary);
  box-shadow: 0 0 0 1px rgba(124,92,255,.5), 0 20px 60px rgba(124,92,255,.28);
}
.plan-badge {
  position: absolute; top: -12px; left: 28px;
  background: linear-gradient(135deg, var(--primary), var(--pink));
  color: #fff; padding: 4px 13px; border-radius: 999px;
  font-size: .74rem; font-weight: 750;
  box-shadow: 0 6px 20px rgba(124,92,255,.5);
}
.plan-card h3 { font-size: 1.16rem; margin-bottom: 9px; font-weight: 750; }
.plan-price {
  font-size: 2.15rem; font-weight: 850; letter-spacing: -.04em; margin-bottom: 8px;
  background: linear-gradient(120deg, #ffffff, #c4b5fd);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.plan-price span { font-size: .88rem; font-weight: 400; color: var(--muted); margin-left: 5px; -webkit-text-fill-color: var(--muted); }
.plan-features { list-style: none; margin: 18px 0 24px; display: flex; flex-direction: column; gap: 9px; flex: 1; }
.plan-features li { color: var(--text-2); font-size: .9rem; padding-left: 22px; position: relative; }
.plan-features li::before { content: '✓'; position: absolute; left: 0; color: var(--success); font-weight: 800; }

/* ============================================================
   Code blocks
   ============================================================ */
.code {
  background: rgba(0,0,0,.42);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 17px; overflow-x: auto; margin: 13px 0; line-height: 1.7;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.05);
}
.code code { color: #d5d0f0; }

/* ============================================================
   Chart
   ============================================================ */
.chart { display: flex; align-items: flex-end; gap: 5px; height: 180px; padding-top: 10px; }
.chart-bar { flex: 1; display: flex; align-items: flex-end; height: 100%; }
.chart-bar span {
  display: block; width: 100%;
  background: linear-gradient(180deg, var(--primary-hover), rgba(236,72,153,.55));
  border-radius: 5px 5px 0 0; min-height: 3px;
  box-shadow: 0 0 18px rgba(124,92,255,.32);
  transition: filter .2s;
}
.chart-bar:hover span { filter: brightness(1.25); }
.bar { background: var(--glass-strong); border-radius: 5px; height: 8px; overflow: hidden; min-width: 60px; }
.bar span { display: block; height: 100%; background: linear-gradient(90deg, var(--primary), var(--pink)); border-radius: 5px; }

/* ============================================================
   Pagination
   ============================================================ */
.pagination { display: flex; gap: 7px; flex-wrap: wrap; margin-top: 20px; }
.page-link {
  padding: 6px 13px; border-radius: 999px; border: 1px solid var(--border);
  color: var(--text-2); font-size: .85rem; font-weight: 600;
  background: var(--glass);
  transition: background .18s, border-color .18s, color .18s;
}
.page-link:hover { text-decoration: none; border-color: var(--primary); color: var(--text); background: var(--glass-hover); }
.page-link.active {
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  border-color: transparent; color: #fff;
  box-shadow: 0 6px 20px rgba(124,92,255,.4);
}

/* ============================================================
   FAQ
   ============================================================ */
.faq {
  background: rgba(0,0,0,.18);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 4px 18px;
}
.faq details { border-bottom: 1px solid var(--border); padding: 15px 0; }
.faq details:last-child { border-bottom: none; }
.faq summary { cursor: pointer; font-weight: 650; font-size: .95rem; transition: color .18s; }
.faq summary:hover { color: var(--primary-hover); }
.faq summary::marker { color: var(--primary); }
.faq p { color: var(--text-2); font-size: .91rem; margin-top: 11px; }

/* ============================================================
   Info box
   ============================================================ */
.info-box {
  background: linear-gradient(135deg, rgba(124,92,255,.10), rgba(34,211,238,.05));
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 17px 20px; font-size: .9rem;
  backdrop-filter: blur(12px);
}
.info-box strong { color: var(--text); }
.provider-list { list-style: none; margin-top: 11px; display: flex; flex-direction: column; gap: 7px; }
.provider-list li { color: var(--text-2); font-size: .87rem; }
.provider-list code {
  background: rgba(124,92,255,.16); padding: 2px 7px; border-radius: 5px;
  color: #c4b5fd; font-size: .85em;
}

/* ============================================================
   Error page
   ============================================================ */
.error-page { display: flex; align-items: center; justify-content: center; min-height: 100vh; }
.error-box {
  text-align: center; max-width: 500px; padding: 44px;
  background: var(--glass); border: 1px solid var(--border);
  border-radius: var(--radius-lg); backdrop-filter: var(--blur);
  box-shadow: var(--shadow-lg);
}
.error-code {
  font-size: 4.8rem; font-weight: 850; letter-spacing: -.05em;
  background: linear-gradient(135deg, var(--primary), var(--pink));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.error-box h1 { font-size: 1.45rem; margin: 8px 0 12px; font-weight: 750; }
.error-box p { color: var(--muted); margin-bottom: 26px; }

/* ============================================================
   Client guide (tabs)
   ============================================================ */
.client-tabs {
  display: flex; gap: 9px; flex-wrap: wrap;
  margin: 26px 0 22px; padding: 7px;
  background: var(--glass); border: 1px solid var(--border);
  border-radius: 999px; backdrop-filter: blur(16px);
  width: fit-content; max-width: 100%;
}
.client-tab {
  background: transparent; border: 1px solid transparent;
  border-radius: 999px; padding: 9px 18px;
  color: var(--muted); font-size: .89rem; font-weight: 650;
  font-family: inherit; cursor: pointer;
  transition: color .18s, background .18s, box-shadow .18s;
}
.client-tab:hover { color: var(--text); background: var(--glass-hover); }
.client-tab.active {
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: #fff;
  box-shadow: 0 6px 20px rgba(124,92,255,.42);
}

.client-panel { display: none; }
.client-panel.active { display: block; animation: fadeIn .22s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

/* ---------- Guide steps ---------- */
.guide-steps { counter-reset: gstep; list-style: none; padding: 0; margin: 18px 0 0; }
.guide-steps > li {
  counter-increment: gstep;
  position: relative;
  padding: 0 0 22px 46px;
  color: var(--text-2); font-size: .93rem;
}
.guide-steps > li::before {
  content: counter(gstep);
  position: absolute; left: 0; top: 0;
  width: 30px; height: 30px; border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), var(--pink));
  color: #fff; font-weight: 800; font-size: .82rem;
  display: grid; place-items: center;
  box-shadow: 0 5px 16px rgba(124,92,255,.42);
}
.guide-steps > li strong { color: var(--text); }
.guide-steps > li code { color: #c4b5fd; }
.guide-steps ul { margin-top: 9px; }

/* ---------- Warn box ---------- */
.warn-box {
  background: linear-gradient(135deg, rgba(251,191,36,.11), rgba(251,113,133,.06));
  border: 1px solid rgba(251,191,36,.30);
  border-left-width: 3px;
  border-radius: var(--radius-sm); padding: 14px 17px;
  font-size: .89rem; color: var(--text-2);
  margin: 13px 0;
}
.warn-box strong { color: var(--warn); }
.warn-box code { color: #c4b5fd; }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 860px) {
  .nav { display: none; }
  .topbar-inner { gap: 12px; }
  .balance { display: none; }
  .hero { padding: 54px 0 44px; }
  .hero-stats { gap: 12px; }
  .hero-stats div { min-width: 140px; padding: 15px 20px; }
  .main { padding: 26px 16px 60px; }
  .card { padding: 20px; border-radius: var(--radius-sm); }
  .stat-value { font-size: 1.5rem; }
  .container { padding: 0 16px; }
  .client-tabs { width: 100%; }
}