:root {
  --bg: #f4f7fb;
  --surface: #ffffff;
  --surface-soft: #eef4ff;
  --text: #172033;
  --muted: #667085;
  --line: #e5eaf2;
  --primary: #1769e0;
  --primary-dark: #0d4fb4;
  --success: #16875d;
  --warning: #b86b00;
  --danger: #c93636;
  --shadow: 0 12px 35px rgba(31, 53, 89, .08);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--text); background: radial-gradient(circle at top left, #e7f0ff 0, transparent 34rem), var(--bg); font: 15px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif; }
a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-dark); }
button, input, select, textarea { font: inherit; }
.container { width: min(1180px, calc(100% - 32px)); margin: 28px auto 64px; }
.site-header { position: sticky; top: 0; z-index: 20; backdrop-filter: blur(14px); background: rgba(255,255,255,.91); border-bottom: 1px solid rgba(221,229,241,.9); }
.nav-shell { width: min(1180px, calc(100% - 32px)); margin: 0 auto; min-height: 66px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--text); font-size: 17px; font-weight: 750; white-space: nowrap; }
.brand-mark { width: 32px; height: 32px; display: grid; place-items: center; color: #fff; background: linear-gradient(135deg, #2684ff, #0d4fb4); border-radius: 10px; box-shadow: 0 7px 16px rgba(23,105,224,.28); }
.nav-links { display: flex; flex-wrap: wrap; align-items: center; justify-content: flex-end; gap: 4px 14px; }
.nav-links a, .link-button { color: #475467; font-weight: 600; padding: 7px 0; }
.nav-links a:hover, .link-button:hover { color: var(--primary); }
.nav-primary { color: var(--primary) !important; }
.nav-links form { margin: 0; }
.link-button { border: 0; background: none; cursor: pointer; }
.site-footer { width: min(1180px, calc(100% - 32px)); margin: 0 auto 34px; padding-top: 20px; border-top: 1px solid var(--line); color: var(--muted); display: flex; justify-content: space-between; gap: 20px; }
.card { background: var(--surface); border: 1px solid rgba(225,232,243,.95); border-radius: 18px; padding: 24px; box-shadow: var(--shadow); }
.card + .card { margin-top: 18px; }
.card, .stack, .two-column > *, .card-header > * { min-width: 0; }
.card-header { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-start; gap: 18px; margin-bottom: 18px; }
.card-header .btn { flex-shrink: 0; }
.dashboard-balance-header { align-items: center; }
.dashboard-balance .money { line-height: 1.12; overflow-wrap: anywhere; }
.recent-deposits { overflow: hidden; }
.recent-deposits .stack { gap: 12px; }
.recent-deposits a { overflow-wrap: anywhere; }
.card-header h2, .card-header h3 { margin: 0; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.hero { display: grid; grid-template-columns: 1.45fr .8fr; gap: 20px; align-items: stretch; margin-bottom: 22px; }
.hero-main { border-radius: 24px; padding: 40px; color: #fff; background: linear-gradient(135deg, #0d4fb4, #2684ff 55%, #44a1ff); box-shadow: 0 20px 50px rgba(23,105,224,.23); }
.hero-main h1 { font-size: clamp(30px, 5vw, 48px); line-height: 1.15; margin: 0 0 14px; letter-spacing: -.03em; }
.hero-main p { color: rgba(255,255,255,.84); font-size: 16px; max-width: 46rem; }
.hero-side { border-radius: 24px; background: rgba(255,255,255,.82); border: 1px solid #e1e9f7; padding: 28px; display: flex; flex-direction: column; justify-content: center; }
.metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.metric { padding: 16px; border-radius: 14px; background: var(--surface-soft); }
.metric strong { display: block; font-size: 22px; }
.metric span { color: var(--muted); font-size: 13px; }
.product-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 18px; }
.product-card { display: flex; flex-direction: column; min-height: 220px; transition: transform .18s ease, box-shadow .18s ease; }
.product-card:hover { transform: translateY(-3px); box-shadow: 0 18px 45px rgba(31, 53, 89, .13); }
.product-card h3 { margin: 0 0 8px; font-size: 20px; }
.product-card p { color: var(--muted); flex: 1; }
.price { color: var(--primary); font-size: 27px; font-weight: 800; letter-spacing: -.02em; }
.price small { font-size: 13px; color: var(--muted); font-weight: 600; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 7px; border: 1px solid transparent; border-radius: 11px; padding: 10px 16px; font-weight: 700; cursor: pointer; background: var(--primary); color: #fff; transition: .16s ease; }
.btn:hover { background: var(--primary-dark); color: #fff; }
.btn-secondary { background: #eef4ff; color: var(--primary-dark); border-color: #d7e6ff; }
.btn-secondary:hover { background: #dfeaff; color: var(--primary-dark); }
.btn-danger { background: #fff0f0; color: var(--danger); border-color: #f5cccc; }
.btn-danger:hover { background: #ffe3e3; color: #a92323; }
.btn-success { background: var(--success); }
.btn-success:hover { background: #0f6f4b; }
.btn-small { padding: 7px 11px; font-size: 13px; }
.btn-block { width: 100%; }
.btn-row { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.form-grid { display: grid; gap: 16px; }
.form-grid.two { grid-template-columns: repeat(2, minmax(0,1fr)); }
.field label { display: block; font-weight: 700; margin-bottom: 7px; }
.field .hint { color: var(--muted); font-size: 13px; margin-top: 5px; }
input, select, textarea { width: 100%; border: 1px solid #cfd8e8; border-radius: 11px; background: #fff; color: var(--text); padding: 11px 13px; outline: none; }
textarea { min-height: 110px; resize: vertical; }
input:focus, select:focus, textarea:focus { border-color: #68a5f5; box-shadow: 0 0 0 3px rgba(38,132,255,.13); }
input[type="checkbox"] { width: auto; accent-color: var(--primary); }
input[type="file"] { padding: 9px; }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 14px; }
table { width: 100%; border-collapse: collapse; white-space: nowrap; }
th, td { padding: 12px 14px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: middle; }
th { color: #526076; background: #f8faff; font-size: 13px; }
tr:last-child td { border-bottom: 0; }
.table-wrap table input[type="checkbox"] { min-width: auto; }
.badge { display: inline-flex; align-items: center; border-radius: 999px; padding: 4px 9px; font-size: 12px; font-weight: 750; background: #eef2f7; color: #475467; }
.badge-success, .badge-completed, .badge-confirmed, .badge-available { background: #e4f7ef; color: #14734f; }
.badge-warning, .badge-pending_payment, .badge-awaiting, .badge-awaiting_stock, .badge-processing, .badge-reserved { background: #fff2d9; color: #925500; }
.badge-danger, .badge-locked, .badge-cancelled, .badge-failed, .badge-expired { background: #ffebeb; color: #ad2c2c; }
.badge-sold { background: #e7efff; color: #174ea6; }
.tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; }
.tabs a { padding: 8px 12px; border-radius: 10px; color: #475467; background: #edf2f9; font-weight: 700; }
.tabs a.active { background: var(--primary); color: #fff; }
.flash { border-radius: 13px; padding: 13px 16px; margin-bottom: 18px; border: 1px solid; }
.flash-success { color: #146445; background: #e8f8f1; border-color: #bde9d7; }
.flash-error { color: #a12626; background: #fff0f0; border-color: #f5caca; }
.flash-warning { color: #8c5200; background: #fff7e5; border-color: #f2d8a4; }
.code-box { padding: 15px; background: #0f172a; color: #d7e7ff; border-radius: 13px; overflow-wrap: anywhere; font-family: ui-monospace, SFMono-Regular, Consolas, monospace; }
.money-card { background: linear-gradient(135deg, #fff, #eef5ff); }
.money { font-size: clamp(30px, 5vw, 44px); font-weight: 850; color: var(--primary-dark); letter-spacing: -.03em; }
.two-column { display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(280px, .75fr); gap: 20px; align-items: start; }
.stack { display: grid; gap: 18px; }
.notice { padding: 14px 16px; border-radius: 13px; background: var(--surface-soft); border: 1px solid #d8e6ff; }
.danger-zone { border-color: #f2cccc; background: #fffafa; }
.inline-form { display: inline-flex; align-items: center; gap: 8px; }
.pagination { display: flex; justify-content: center; gap: 10px; margin-top: 18px; }
.empty { text-align: center; padding: 44px 20px; color: var(--muted); }
.copy-value { display: flex; gap: 8px; }
.copy-value input { font-family: ui-monospace, Consolas, monospace; }
pre { white-space: pre-wrap; word-break: break-all; background: #f7f9fc; border: 1px solid var(--line); border-radius: 12px; padding: 14px; }
.text-danger { color: var(--danger); }
.text-success { color: var(--success); }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-0 { margin-bottom: 0; }
@media (max-width: 1050px) {
  .two-column { grid-template-columns: 1fr; }
}
@media (max-width: 800px) {
  .hero, .form-grid.two { grid-template-columns: 1fr; }
  .hero-main { padding: 28px; }
  .nav-shell { align-items: flex-start; flex-direction: column; padding: 14px 0; }
  .nav-links { justify-content: flex-start; }
  .metrics { grid-template-columns: 1fr; }
  .site-footer { flex-direction: column; }
  .container { margin-top: 18px; }
  th, td { padding: 10px; }
}

.telegram-section { margin-top: 18px; }
.contact-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.contact-card { display: flex; align-items: center; gap: 14px; padding: 17px 18px; border: 1px solid #dbe6f5; border-radius: 15px; background: linear-gradient(135deg, #f7fbff, #eef6ff); color: var(--text); transition: transform .16s ease, border-color .16s ease, box-shadow .16s ease; }
.contact-card:hover { color: var(--text); transform: translateY(-2px); border-color: #9fc5f8; box-shadow: 0 12px 28px rgba(23,105,224,.12); }
.contact-card strong, .contact-card small { display: block; }
.contact-card small { color: var(--muted); margin-top: 2px; }
.contact-icon { width: 42px; height: 42px; flex: 0 0 42px; display: grid; place-items: center; border-radius: 13px; color: #fff; background: linear-gradient(135deg, #258ddf, #1769e0); font-size: 20px; }
@media (max-width: 800px) { .contact-grid { grid-template-columns: 1fr; } }

.payment-modal { position: fixed; inset: 0; z-index: 1000; display: grid; place-items: center; padding: 20px; background: rgba(15, 23, 42, .48); backdrop-filter: blur(4px); }
.payment-modal-card { width: min(360px, 100%); padding: 28px 24px 24px; text-align: center; background: #fff; border: 1px solid #dfe9f5; border-radius: 22px; box-shadow: 0 24px 70px rgba(15, 23, 42, .24); animation: payment-pop .2s ease-out; }
.payment-modal-card h3 { margin: 14px 0 7px; font-size: 22px; }
.payment-modal-card p { margin: 0 0 20px; color: var(--muted); }
.payment-success-icon { width: 58px; height: 58px; margin: 0 auto; display: grid; place-items: center; border-radius: 50%; color: #fff; background: linear-gradient(135deg, #20b26b, #118658); font-size: 32px; font-weight: 800; box-shadow: 0 12px 28px rgba(22, 135, 93, .25); }
@keyframes payment-pop { from { opacity: 0; transform: translateY(10px) scale(.97); } to { opacity: 1; transform: translateY(0) scale(1); } }

.tab-delete-form { margin: 0; display: inline-flex; }
.tab-delete-button { border: 1px solid #f1c5c5; border-radius: 10px; padding: 8px 12px; color: #b42323; background: #fff2f2; font-weight: 750; cursor: pointer; }
.tab-delete-button:hover { color: #8f1d1d; background: #ffe5e5; }