:root {
  --bg: #0E0F12;
  --bg-alt: #141518;
  --bg-card: #1A1A1A;
  --border: #2A2A2A;
  --text: #F5F5F5;
  --text-muted: #999999;
  --accent: #3B82F6;
  --accent-hover: #2563EB;
  --accent-2: #60A5FA;
  --danger: #E63535;
  --success: #22C55E;
  --warning: #EAB308;
  --radius: 12px;
  --border-radius: 12px;
  --shadow: none;
}
[data-theme="light"] {
  --bg: #F6F7F9;
  --bg-alt: #FFFFFF;
  --bg-card: #FFFFFF;
  --border: #E5E7EB;
  --text: #0F172A;
  --text-muted: #64748B;
  --accent: #3B82F6;
  --accent-hover: #2563EB;
  --accent-2: #60A5FA;
  --shadow: 0 4px 16px rgba(15,23,42,.08);
}

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

body {
  font-family: "Inter", system-ui, -apple-system, Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  line-height: 1.55;
}

.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

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

a:hover {
  text-decoration: underline;
}

/* ── navbar ─────────────────────────────────────────────── */
.navbar {
  background: var(--bg);

  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 50;
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  font-size: 22px;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.5px;
}

.logo span {
  color: var(--accent);
}

.navbar nav {
  display: flex;
  align-items: center;
  gap: 18px;
}

.navbar nav > a:not(.btn) {
  color: var(--text-muted);
  font-weight: 600;
  transition: color 0.2s;
}

.navbar nav > a:not(.btn):hover {
  color: var(--text);
  text-decoration: none;
}

/* ── buttons ────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 40px;
  padding: 6px 16px;
  border-radius: var(--border-radius);
  font-weight: 500;
  font-size: 15px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: background-color .2s, border-color .2s, color .2s;
  text-decoration: none;
}

.btn:hover {
  text-decoration: none;
}

.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.btn-primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
}

.btn-ghost {
  background: var(--bg-card);
  color: var(--text);
  border: 2px solid var(--border);
}

.btn-ghost:hover {
  background: var(--border);
  border-color: var(--border);
}

.btn-success {
  background: linear-gradient(135deg, #10b981, var(--success));
  color: #052e22;
}

.btn-block {
  width: 100%;
  text-align: center;
}

.btn-lg {
  padding: 14px 24px;
  font-size: 16px;
}

.btn-sm {
  padding: 7px 12px;
  font-size: 13px;
}

.btn-danger {
  background: transparent;
  color: var(--danger);
  border: 1px solid rgba(255, 95, 109, 0.4);
}

.btn-danger:hover {
  background: rgba(255, 95, 109, 0.1);
}

.btn-link {
  background: none;
  border: none;
  color: var(--text-muted);
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  padding: 0;
}

.btn-link:hover {
  color: var(--text);
}

.inline-form {
  display: inline;
}

/* ── hero ───────────────────────────────────────────────── */
.hero {
  text-align: center;
  padding: 90px 0 60px;
}

.hero h1 {
  font-size: 46px;
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 16px;
  color: var(--text);
}

.hero p {
  font-size: 19px;
  color: var(--text-muted);
  max-width: 620px;
  margin: 0 auto 30px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ── features / cards ───────────────────────────────────── */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
  padding: 30px 0;
}

.card {
  background: var(--bg-card);
  border: 2px solid var(--border);
  border-radius: var(--border-radius);
  padding: 24px;
  box-shadow: none;
}

.feature .icon {
  font-size: 28px;
  margin-bottom: 10px;
}

.feature h3 {
  font-size: 17px;
  margin-bottom: 6px;
}

.feature p {
  color: var(--text-muted);
  font-size: 14px;
}

/* ── tariffs ────────────────────────────────────────────── */
.section-title {
  text-align: center;
  font-size: 30px;
  font-weight: 800;
  margin: 40px 0 8px;
}

.section-subtitle {
  text-align: center;
  color: var(--text-muted);
  margin-bottom: 30px;
}

.tariffs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 22px;
  padding-bottom: 60px;
}

.tariff-card {
  background: var(--bg-card);
  border: 2px solid var(--border);
  border-radius: var(--border-radius);
  padding: 28px;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s, border-color 0.2s;
}

.tariff-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
}

.tariff-card.popular {
  /* badge only - no permanent highlight, highlight only on hover like others */
  border-color: var(--border);
  box-shadow: none;
}
.tariff-card.popular:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0,0,0,.15);
}

.tariff-badge {
  align-self: flex-start;
  background: var(--accent);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 999px;
  margin-bottom: 14px;
}

.tariff-card h3 {
  font-size: 20px;
  margin-bottom: 4px;
}

.tariff-price {
  font-size: 34px;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 16px;
}

.tariff-price small {
  font-size: 15px;
  color: var(--text-muted);
  font-weight: 600;
}

.tariff-list {
  list-style: none;
  margin: 0 0 22px;
  flex: 1;
}

.tariff-list li {
  padding: 5px 0;
  color: var(--text);
  font-size: 15px;
}

.tariff-list li::before {
  content: "✓ ";
  color: var(--success);
  font-weight: 800;
}

/* ── auth forms ─────────────────────────────────────────── */
.auth-wrap {
  max-width: 420px;
  margin: 60px auto;
}

.auth-card {
  background: var(--bg-card);
  border: 2px solid var(--border);
  border-radius: var(--border-radius);
  padding: 34px;
  box-shadow: none;
}

.auth-card h1 {
  font-size: 24px;
  margin-bottom: 6px;
  text-align: center;
}

.auth-card .sub {
  text-align: center;
  color: var(--text-muted);
  margin-bottom: 24px;
  font-size: 14px;
}

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

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 11px 14px;
  border-radius: 10px;
  border: 2px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  outline: none;
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent);
}

.alert {
  padding: 11px 14px;
  border-radius: 10px;
  font-size: 14px;
  margin-bottom: 16px;
}

.alert-error {
  background: rgba(255, 95, 109, 0.12);
  border: 1px solid rgba(255, 95, 109, 0.35);
  color: var(--danger);
}

.alert-success {
  background: rgba(52, 211, 153, 0.12);
  border: 1px solid rgba(52, 211, 153, 0.35);
  color: var(--success);
}

.alert-info {
  background: rgba(79, 124, 255, 0.12);
  border: 1px solid rgba(79, 124, 255, 0.35);
  color: var(--accent);
}

.alert-neutral {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text-muted);
}
.alert-neutral b {
  color: var(--text);
}
[data-theme="light"] .alert-neutral {
  background: #F8FAFC;
}

.divider {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-muted);
  font-size: 13px;
  margin: 20px 0;
}

.divider::before,
.divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--border);
}

.google-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  width: 100%;
  background: #fff;
  color: #1f1f1f;
  border: 1px solid #dadce0;
  border-radius: 12px;
  padding: 12px 16px;
  font-weight: 700;
  font-size: 15px;
  line-height: 1;
  cursor: pointer;
  transition: background .18s, border-color .18s, box-shadow .18s, transform .18s;
  box-shadow: 0 1px 2px rgba(0,0,0,.08), 0 1px 3px rgba(0,0,0,.08);
  text-decoration: none;
}

.google-btn:hover {
  background: #f8f9fa;
  border-color: #d2d4d7;
  box-shadow: 0 4px 12px rgba(0,0,0,.12);
  transform: translateY(-1px);
  text-decoration: none;
}

.google-btn:active {
  transform: translateY(0);
  box-shadow: 0 1px 2px rgba(0,0,0,.08);
}

.google-btn svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

/* ── checkout ───────────────────────────────────────────── */
.checkout-card {
  max-width: 640px;
  margin: 50px auto;
  background: var(--bg-card);
  border: 2px solid var(--border);
  border-radius: var(--border-radius);
  padding: 30px;
  box-shadow: none;
}

.checkout-card h1 {
  font-size: 24px;
  margin-bottom: 18px;
}

.option-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 14px 16px;
  border: 2px solid var(--border);
  border-radius: 12px;
  margin-bottom: 12px;
  background: var(--bg);
}

.option-row .left {
  display: flex;
  flex-direction: column;
}

.option-row .price {
  font-weight: 800;
  font-size: 18px;
}

.option-row .discount {
  color: var(--success);
  font-size: 13px;
}

.option-row .old-price {
  color: var(--text-muted);
  text-decoration: line-through;
  font-size: 13px;
}

/* ── checkout selected tariff (non-clickable, distinct from buttons) ─ */
.checkout-tariff {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 18px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(59,130,246,.13), rgba(59,130,246,.04));
  border: 1px solid rgba(59,130,246,.28);
  border-left: 4px solid var(--accent);
  margin-bottom: 18px;
}
.checkout-tariff__main {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.checkout-tariff__label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .6px;
  text-transform: uppercase;
  color: var(--accent);
}
.checkout-tariff__name {
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -.3px;
  color: var(--text);
}
.checkout-tariff__devices {
  flex-shrink: 0;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 6px 10px;
  border-radius: 999px;
}
[data-theme="light"] .checkout-tariff {
  background: linear-gradient(135deg, #EFF6FF, #F8FAFF);
  border-color: rgba(59,130,246,.25);
}
[data-theme="light"] .checkout-tariff__devices {
  background: #fff;
}

/* ── checkout options as obvious buttons ──────────────────── */
.checkout-option {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 16px 16px 16px 18px;
  border-radius: 12px;
  border: 2px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font: inherit;
  text-align: left;
  cursor: pointer;
  margin-bottom: 12px;
  transition: border-color .2s, background .2s, transform .2s, box-shadow .2s;
  position: relative;
}
.checkout-option:hover {
  border-color: var(--accent);
  background: rgba(59,130,246,.07);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(59,130,246,.18);
}
.checkout-option:active {
  transform: translateY(0) scale(0.99);
  box-shadow: none;
}
.checkout-option:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
.checkout-option .left strong {
  font-size: 16px;
  font-weight: 800;
}
.checkout-option__center {
  text-align: right;
  margin-left: auto;
}
.checkout-option .price {
  font-weight: 800;
  font-size: 18px;
  line-height: 1;
}
.checkout-option .old-price {
  color: var(--text-muted);
  text-decoration: line-through;
  text-decoration-thickness: 1px;
  text-decoration-color: color-mix(in srgb, var(--text-muted) 65%, transparent);
  font-size: 13px;
  font-weight: 500;
  line-height: 1;
  margin-top: 4px;
  opacity: 1;
}
.checkout-option .discount {
  color: var(--success);
  font-size: 13px;
  font-weight: 600;
}
[data-theme="light"] .checkout-option {
  background: #fff;
}
[data-theme="light"] .checkout-option:hover {
  background: #EFF6FF;
}
@media (max-width: 520px) {
  .checkout-option {
    gap: 10px;
  }
}

/* ── status / cabinet ───────────────────────────────────── */
.status-pill {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
}

.status-active {
  background: rgba(52, 211, 153, 0.15);
  color: var(--success);
}

.status-inactive {
  background: rgba(255, 95, 109, 0.15);
  color: var(--danger);
}

.status-pending {
  background: rgba(251, 191, 36, 0.15);
  color: var(--warning);
}

.status-succeeded {
  background: rgba(52, 211, 153, 0.15);
  color: var(--success);
}

.status-canceled,
.status-failed,
.status-refunded {
  background: rgba(255, 95, 109, 0.15);
  color: var(--danger);
}

.mono {
  font-family: "Cascadia Code", Consolas, monospace;
  background: var(--bg);
  border: 2px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  word-break: break-all;
  font-size: 13px;
}

.copy-row {
  display: flex;
  gap: 10px;
  margin-top: 10px;
}

.copy-row input {
  flex: 1;
  padding: 11px 14px;
  border-radius: 10px;
  border: 2px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 13px;
  font-family: Consolas, monospace;
}

/* ── tables (admin) ─────────────────────────────────────── */
.table-wrap {
  overflow-x: auto;
  background: var(--bg-card);
  border: 2px solid var(--border);
  border-radius: var(--border-radius);
  padding: 6px;
  margin-bottom: 24px;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

th,
td {
  text-align: left;
  padding: 11px 14px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

th {
  color: var(--text-muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

tr:last-child td {
  border-bottom: none;
}

tr:hover td {
  background: rgba(79, 124, 255, 0.05);
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 16px;
  margin-bottom: 26px;
}

.stat {
  background: var(--bg-card);
  border: 2px solid var(--border);
  border-radius: var(--border-radius);
  padding: 18px;
}

.stat .value {
  font-size: 26px;
  font-weight: 800;
  color: var(--accent);
}

.stat .label {
  color: var(--text-muted);
  font-size: 13px;
}

.admin-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.admin-tabs a {
  padding: 8px 16px;
  border-radius: 10px;
  border: 2px solid var(--border);
  color: var(--text-muted);
  font-weight: 600;
  font-size: 14px;
}

.admin-tabs a.active,
.admin-tabs a:hover {
  color: var(--text);
  border-color: var(--accent);
  text-decoration: none;
}

/* ── footer ─────────────────────────────────────────────── */
.footer {
  margin-top: auto;
  border-top: 1px solid var(--border);
  padding: 22px 0;
  color: var(--text-muted);
  font-size: 13px;
  text-align: center;
}

/* ── misc ───────────────────────────────────────────────── */
.center {
  text-align: center;
}

.mt-10 { margin-top: 10px; }
.mt-20 { margin-top: 20px; }
.mb-20 { margin-bottom: 20px; }
.text-muted { color: var(--text-muted); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-accent { color: var(--accent); }

 /* ===== Tariffs admin — beautiful fields ===== */
.tariffs-admin-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 18px;
  margin-bottom: 28px;
}
.tariff-edit-card {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
  overflow: hidden;
  transition: transform .18s, border-color .18s, box-shadow .18s;
}
.tariff-edit-card:hover {
  border-color: rgba(79,124,255,.45);
  box-shadow: 0 8px 24px rgba(79,124,255,.12);
  transform: translateY(-2px);
}
.tariff-edit-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  opacity: .9;
}
.tariff-edit-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}
.tariff-edit-card__id {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .3px;
  color: var(--accent);
  background: rgba(79,124,255,.12);
  border: 1px solid rgba(79,124,255,.22);
  padding: 5px 10px;
  border-radius: 999px;
}
.tariff-edit-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.tariff-edit-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.tariff-edit-card .form-group {
  margin-bottom: 0;
}
.tariff-edit-card .form-group label,
.tariff-create-card .form-group label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .5px;
  color: var(--text-muted);
  font-weight: 700;
  margin-bottom: 6px;
}
.tariff-edit-card .form-group input[type=text],
.tariff-edit-card .form-group input[type=number],
.tariff-create-card .form-group input[type=text],
.tariff-create-card .form-group input[type=number] {
  background: var(--bg);
  border: 2px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 14px;
  font-weight: 600;
  transition: border-color .18s, box-shadow .18s, background .18s;
}
.tariff-edit-card .form-group input:focus,
.tariff-create-card .form-group input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(79,124,255,.18);
  background: #0f1933;
  outline: none;
}
.field-hint {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 4px;
  display: inline-block;
}
.tariff-edit-actions {
  display: flex;
  gap: 10px;
  margin-top: 6px;
}
.tariff-delete-form {
  margin-top: 10px;
}
.tariff-delete-form .btn-danger {
  width: 100%;
  border-radius: 10px;
  font-weight: 700;
}
.switch {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
  cursor: pointer;
  user-select: none;
}
.switch span {
  color: var(--text-muted);
}
.switch input[type=checkbox] {
  appearance: none;
  -webkit-appearance: none;
  width: 42px;
  height: 24px;
  background: var(--bg);
  border: 2px solid var(--border);
  border-radius: 999px;
  position: relative;
  cursor: pointer;
  transition: background .2s, border-color .2s;
  flex-shrink: 0;
}
.switch input[type=checkbox]::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  width: 18px;
  height: 18px;
  background: #fff;
  border-radius: 50%;
  box-shadow: 0 1px 4px rgba(0,0,0,.3);
  transition: transform .2s;
}
.switch input[type=checkbox]:checked {
  background: linear-gradient(135deg, var(--accent), #8fb1d1);
  border-color: var(--accent);
}
.switch input[type=checkbox]:checked::after {
  transform: translateX(18px);
}
.switch input[type=checkbox]:checked + span {
  color: var(--text);
}
.tariff-create-card {
  max-width: 560px;
  padding: 24px;
  border-color: rgba(79,124,255,.25);
}
.tariff-create-head h3 {
  font-size: 18px;
  font-weight: 800;
  margin-bottom: 4px;
}
.tariff-create-head p {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 18px;
}
.tariff-create-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.tariff-create-bottom {
  display: flex;
  align-items: flex-end;
  gap: 16px;
  flex-wrap: wrap;
}
@media (max-width: 640px) {
  .tariff-edit-grid { grid-template-columns: 1fr; }
  .tariffs-admin-grid { grid-template-columns: 1fr; }
}

 /* ===== Payments admin ===== */
.payments-wrap { padding: 0; overflow-x: auto; }
.payments-table { min-width: 760px; }
.payments-table th, .payments-table td { vertical-align: middle; }
.user-cell { display:flex; flex-direction:column; gap:2px; min-width:160px; max-width:220px; }
.user-cell__name { font-weight:700; font-size:13px; color:var(--text); line-height:1.2; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.user-cell__email { font-size:12px; color:var(--text-muted); line-height:1.2; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; max-width:100%; }
.tariff-pill { display:inline-block; padding:4px 10px; border-radius:999px; background:rgba(79,124,255,.12); border:1px solid rgba(79,124,255,.22); color:var(--accent); font-weight:700; font-size:12px; white-space:nowrap; max-width:140px; overflow:hidden; text-overflow:ellipsis; }
.payments-table td:nth-child(4), .payments-table td:nth-child(5) { text-align:center; }
.payments-table .status-pill { white-space:nowrap; }
@media (max-width: 700px) {
  .payments-table { min-width: 640px; }
}

/* ===== Mobile optimization ===== */
/* nav-toggle removed - using bottom nav */

@media (max-width: 860px) {
  .navbar nav { display: none; }
  body { padding-bottom: 72px; }
}


@media (max-width: 768px) {
  .container { padding: 0 16px; }
  .hero { padding: 48px 0 32px; }
  .hero h1 { font-size: 32px; letter-spacing: -0.5px; }
  .hero p { font-size: 16px; padding: 0 8px; }
  .hero-actions .btn, .hero-actions .btn-lg {
    padding: 14px 24px;
    font-size: 16px;
    min-height: 44px;
  }
  .section-title { font-size: 24px; margin: 24px 0 8px; }
  .section-subtitle { font-size: 14px; margin-bottom: 20px; padding: 0 8px; }
  .features { grid-template-columns: 1fr; gap: 14px; padding: 20px 0; }
  .tariffs-grid { grid-template-columns: 1fr; gap: 16px; padding-bottom: 32px; }
  .tariff-card { padding: 22px; }
  .tariff-price { font-size: 28px; }
  .auth-wrap { margin: 24px auto; padding: 0 16px; }
  .auth-card { padding: 24px 18px; }
  .checkout-card { margin: 24px 16px; padding: 20px; }
  .table-wrap { border-radius: 12px; -webkit-overflow-scrolling: touch; }
  table { font-size: 13px; }
  th, td { padding: 10px 10px; }
  .admin-tabs { gap: 6px; flex-wrap: nowrap; overflow-x: auto; -webkit-overflow-scrolling: touch; padding-bottom: 6px; }
  .admin-tabs a { white-space: nowrap; flex-shrink: 0; }
  .stat-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .tariffs-admin-grid { gap: 14px; }
  .payments-wrap { margin: 0 -16px; border-radius: 0; border-left: none; border-right: none; }
  .copy-row { flex-direction: column; }
  .option-row { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 26px; }
  .hero-actions { flex-direction: column; align-items: center; }
  .hero-actions .btn, .hero-actions .btn-lg {
    padding: 14px 24px;
    font-size: 16px;
    min-height: 44px;
  }
  .logo { font-size: 19px; }
  .navbar-inner { height: 56px; }
  .navbar nav { top: 56px; height: calc(100vh - 56px); }
  .tariff-card h3 { font-size: 18px; }
  .auth-card h1 { font-size: 20px; }
  .stat-grid { grid-template-columns: 1fr; }
  .tariff-edit-grid { grid-template-columns: 1fr; }
  .tariff-create-bottom { flex-direction: column; align-items: stretch; }
  .tariff-create-bottom .form-group { max-width: none !important; }
  .btn-lg { padding: 12px 18px; font-size: 15px; }
  th, td { padding: 8px 8px; font-size: 12.5px; }
}

/* touch target + safe area */
@media (pointer: coarse) {
  .btn, .btn-link, .navbar nav a { min-height: 44px; }
}
@supports (padding: max(0px)) {
  .navbar-inner, .container { padding-left: max(16px, env(safe-area-inset-left)); padding-right: max(16px, env(safe-area-inset-right)); }
}

/* ===== Mobile bottom nav ===== */
.mobile-bottom-nav {
  display: none;
}
@media (max-width: 860px) {
  .mobile-bottom-nav {
    display: flex;
    position: fixed;
    left: 0; right: 0; bottom: 0;
    height: 64px;
    background: var(--bg-card);
    border-top: 2px solid var(--border);
    z-index: 50;
    padding: 4px 4px max(4px, env(safe-area-inset-bottom));
    justify-content: space-around;
    align-items: center;
  }
  .mbn-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    flex: 1;
    height: 100%;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 10px;
    font-weight: 600;
    letter-spacing: .3px;
    border-radius: 10px;
    transition: color .18s, background .18s;
  }
  .mbn-link svg { opacity: .9; }
  .mbn-link:hover, .mbn-link:active { color: var(--text); background: var(--bg); text-decoration: none; }
  .mbn-link.active { color: var(--accent); background: rgba(59,130,246,.12); }
  .mbn-link.active svg { opacity: 1; stroke: var(--accent); }
  .mbn-link--accent { color: var(--accent); }
  .mbn-link--accent:hover { color: var(--accent-hover); }
  .mbn-link--accent.active { background: rgba(59,130,246,.14); }
}

/* ===== Smaller cards on mobile ===== */
@media (max-width: 768px) {
  .tariff-card { padding: 16px; gap: 10px; }
  .tariff-card h3 { font-size: 16px; margin-bottom: 2px; }
  .tariff-price { font-size: 24px; margin-bottom: 10px; }
  .tariff-price small { font-size: 12px; }
  .tariff-badge { font-size: 10px; padding: 2px 8px; margin-bottom: 8px; }
  .tariff-list { margin-bottom: 14px; }
  .tariff-list li { font-size: 13px; padding: 3px 0; }
  .feature { padding: 18px; }
  .feature .icon { font-size: 22px; margin-bottom: 6px; }
  .feature h3 { font-size: 15px; }
  .feature p { font-size: 13px; }
  .card { padding: 16px; }
}
@media (max-width: 480px) {
  .tariff-card { padding: 14px; }
  .tariff-price { font-size: 22px; }
}
/* theme toggle + tg float + light tweaks */
.theme-toggle {
  background: var(--bg-card);
  border: 2px solid var(--border);
  border-radius: 10px;
  width: 38px; height: 38px;
  display: inline-flex; align-items: center; justify-content: center;
  cursor: pointer; font-size: 16px;
  transition: background .18s, border-color .18s;
}
.theme-toggle:hover { border-color: var(--accent); }
.tg-float {
  position: fixed; right: 16px; bottom: 88px;
  width: 56px; height: 56px; border-radius: 50%;
  background: #229ED9; color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 26px; text-decoration: none;
  box-shadow: 0 8px 24px rgba(0,0,0,.25);
  z-index: 60; transition: transform .18s, box-shadow .18s;
}
.tg-float:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(0,0,0,.3); text-decoration: none; }
@media (min-width: 861px) { .tg-float { bottom: 24px; } }
[data-theme="light"] .card, [data-theme="light"] .checkout-card, [data-theme="light"] .auth-card, [data-theme="light"] .tariff-card, [data-theme="light"] .stat {
  box-shadow: var(--shadow);
}
[data-theme="light"] .navbar { background: #fff; }
[data-theme="light"] .mobile-bottom-nav { background: #fff; }