:root {
  --bg: #0e1117;
  --bg2: #161b27;
  --bg3: #1e2535;
  --border: #2a3349;
  --accent: #4f8ef7;
  --accent2: #7c6cf8;
  --green: #2dd4a0;
  --red: #f75f6c;
  --yellow: #f7c94f;
  --text: #e8ecf4;
  --text2: #8a94ad;
  --text3: #5c6680;
  --radius: 12px;
  --radius-sm: 8px;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', sans-serif;
  font-size: 15px;
  min-height: 100vh;
}

/* ── NAVBAR ── */
.navbar {
  position: sticky; top: 0; z-index: 100;
  background: rgba(14,17,23,0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 900px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 20px;
}
.nav-brand {
  font-weight: 700; font-size: 18px;
  color: var(--accent); text-decoration: none;
  letter-spacing: -0.5px;
}
.nav-right { display: flex; align-items: center; gap: 16px; }
.nav-user { color: var(--text2); font-size: 14px; }
.nav-link {
  color: var(--text2); text-decoration: none; font-size: 14px;
  transition: color .2s;
}
.nav-link:hover { color: var(--text); }

/* ── LAYOUT ── */
.main-content {
  max-width: 900px; margin: 0 auto;
  padding: 32px 20px 60px;
}
.page-title {
  font-size: 24px; font-weight: 700; margin-bottom: 8px;
}
.page-sub { color: var(--text2); margin-bottom: 32px; }

/* ── BUTTONS ── */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 10px 20px; border-radius: var(--radius-sm);
  font-size: 14px; font-weight: 600; cursor: pointer;
  border: none; transition: all .2s; text-decoration: none;
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent); color: #fff;
}
.btn-primary:hover { background: #3d7ef0; }
.btn-secondary {
  background: var(--bg3); color: var(--text);
  border: 1px solid var(--border);
}
.btn-secondary:hover { border-color: var(--accent); }
.btn-ghost {
  background: transparent; color: var(--text2);
  border: 1px solid var(--border);
}
.btn-ghost:hover { color: var(--text); border-color: var(--text3); }
.btn-danger {
  background: rgba(247,95,108,0.15); color: var(--red);
  border: 1px solid rgba(247,95,108,0.3);
}
.btn-danger:hover { background: rgba(247,95,108,0.25); }
.btn-green {
  background: rgba(45,212,160,0.15); color: var(--green);
  border: 1px solid rgba(45,212,160,0.3);
}
.btn-green:hover { background: rgba(45,212,160,0.25); }
.btn-sm { padding: 6px 14px; font-size: 13px; }
.btn-lg { padding: 14px 28px; font-size: 16px; }
.btn-block { width: 100%; justify-content: center; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

/* ── CARDS ── */
.card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}
.card + .card { margin-top: 12px; }

/* ── FORMS ── */
.form-group { margin-bottom: 18px; }
.form-label {
  display: block; margin-bottom: 6px;
  font-size: 13px; font-weight: 500; color: var(--text2);
}
.form-control {
  width: 100%; padding: 10px 14px;
  background: var(--bg3); border: 1px solid var(--border);
  border-radius: var(--radius-sm); color: var(--text);
  font-size: 14px; transition: border-color .2s;
}
.form-control:focus {
  outline: none; border-color: var(--accent);
}
.form-control::placeholder { color: var(--text3); }

/* ── ALERTS ── */
.alert {
  padding: 12px 16px; border-radius: var(--radius-sm);
  font-size: 14px; margin-bottom: 16px;
  display: flex; align-items: flex-start; gap: 10px;
}
.alert-warning {
  background: rgba(247,201,79,0.12);
  border: 1px solid rgba(247,201,79,0.3);
  color: var(--yellow);
}
.alert-danger {
  background: rgba(247,95,108,0.12);
  border: 1px solid rgba(247,95,108,0.3);
  color: var(--red);
}
.alert-success {
  background: rgba(45,212,160,0.12);
  border: 1px solid rgba(45,212,160,0.3);
  color: var(--green);
}
.alert-info {
  background: rgba(79,142,247,0.12);
  border: 1px solid rgba(79,142,247,0.3);
  color: var(--accent);
}

/* ── BADGE ── */
.badge {
  display: inline-block; padding: 2px 8px;
  border-radius: 20px; font-size: 12px; font-weight: 600;
}
.badge-active { background: rgba(45,212,160,0.15); color: var(--green); }
.badge-inactive { background: rgba(247,95,108,0.15); color: var(--red); }
.badge-pending { background: rgba(247,201,79,0.15); color: var(--yellow); }
.badge-checking { background: rgba(79,142,247,0.15); color: var(--accent); }
.badge-confirmed { background: rgba(45,212,160,0.15); color: var(--green); }
.badge-rejected { background: rgba(247,95,108,0.15); color: var(--red); }

/* ── KEY CARD ── */
.key-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  transition: border-color .2s;
}
.key-card:hover { border-color: var(--text3); }
.key-card + .key-card { margin-top: 12px; }
.key-card.expired { opacity: .6; border-style: dashed; }
.key-card.expires-soon { border-color: rgba(247,201,79,0.5); }

.key-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 14px; flex-wrap: wrap; gap: 10px;
}
.key-name-wrap { display: flex; align-items: center; gap: 8px; }
.key-name {
  font-weight: 600; font-size: 16px;
}
.key-name-input {
  background: var(--bg3); border: 1px solid var(--accent);
  border-radius: 6px; color: var(--text);
  font-size: 15px; font-weight: 600;
  padding: 3px 8px; width: 200px; display: none;
}
.key-edit-btn {
  background: none; border: none; cursor: pointer;
  color: var(--text3); font-size: 14px; padding: 2px 4px;
}
.key-edit-btn:hover { color: var(--accent); }

.key-meta {
  display: flex; flex-wrap: wrap; gap: 8px;
  margin-bottom: 16px;
}
.key-meta-item {
  font-size: 13px; color: var(--text2);
  background: var(--bg3); padding: 4px 10px;
  border-radius: 20px; border: 1px solid var(--border);
}
.key-meta-item strong { color: var(--text); }

.key-url-wrap {
  background: var(--bg3); border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 14px;
}

.info-about-usage-key {
  flex: 1; font-size: 12px; color: var(--text3);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  font-family: monospace;
}

.key-url {
  flex: 1; font-size: 12px; color: var(--text3);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  font-family: monospace;
}

.copy-btn {
  background: none; border: none; cursor: pointer;
  color: var(--text2); font-size: 13px; white-space: nowrap;
  transition: color .2s;
}
.copy-btn:hover { color: var(--accent); }

.key-actions { display: flex; gap: 8px; flex-wrap: wrap; }

/* ── EMPTY STATE ── */
.empty-state {
  text-align: center; padding: 60px 20px;
  color: var(--text2);
}
.empty-state-icon { font-size: 48px; margin-bottom: 16px; }
.empty-state-title { font-size: 18px; font-weight: 600; color: var(--text); margin-bottom: 8px; }

/* ── AUTH PAGES ── */
.auth-wrap {
  min-height: 100vh; display: flex;
  align-items: center; justify-content: center;
  padding: 20px;
}
.auth-card {
  width: 100%; max-width: 400px;
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 36px;
}
.auth-logo {
  text-align: center; margin-bottom: 28px;
}
.auth-logo-icon {
  font-size: 40px; display: block; margin-bottom: 8px;
}
.auth-logo-name {
  font-size: 22px; font-weight: 700; color: var(--text);
}
.auth-footer {
  text-align: center; margin-top: 20px;
  font-size: 14px; color: var(--text2);
}
.auth-footer a { color: var(--accent); text-decoration: none; }

/* ── MODAL ── */
.modal-overlay {
  display: none; position: fixed; inset: 0;
  background: rgba(0,0,0,0.7); z-index: 200;
  align-items: center; justify-content: center;
  padding: 20px;
}
.modal-overlay.open { display: flex; }
.modal {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--radius); width: 100%; max-width: 520px;
  max-height: 90vh; overflow-y: auto;
  animation: modal-in .2s ease;
}
@keyframes modal-in {
  from { transform: translateY(20px); opacity: 0; }
  to   { transform: none; opacity: 1; }
}
.modal-header {
  padding: 20px 24px 16px;
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
}
.modal-title { font-size: 17px; font-weight: 700; }
.modal-close {
  background: none; border: none; cursor: pointer;
  color: var(--text2); font-size: 22px; line-height: 1;
}
.modal-body { padding: 24px; }
.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  display: flex; gap: 10px; justify-content: flex-end;
}

/* ── PROTOCOL SELECTOR ── */
.protocol-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 10px; margin-bottom: 20px;
}
.protocol-option {
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px; cursor: pointer;
  transition: all .2s; background: var(--bg3);
  position: relative;
}
.protocol-option:hover { border-color: var(--text3); }
.protocol-option.selected { border-color: var(--accent); background: rgba(79,142,247,0.08); }
.protocol-option input { position: absolute; opacity: 0; pointer-events: none; }
.proto-name { font-weight: 700; font-size: 15px; }
.proto-badge { font-size: 12px; }
.proto-desc { font-size: 12px; color: var(--text2); margin-top: 4px; }
.proto-pros-cons { margin-top: 8px; }
.proto-pros { font-size: 11px; color: var(--green); }
.proto-cons { font-size: 11px; color: var(--red); }

/* ── PRICING ── */
.pricing-grid {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 8px; margin-bottom: 20px;
}
.pricing-option {
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 14px; cursor: pointer;
  transition: all .2s; background: var(--bg3);
  display: flex; align-items: center; justify-content: space-between;
}
.pricing-option:hover { border-color: var(--text3); }
.pricing-option.selected { border-color: var(--accent); background: rgba(79,142,247,0.08); }
.pricing-option input { display: none; }
.pricing-label { font-weight: 600; }
.pricing-price { font-size: 16px; font-weight: 700; color: var(--accent); }
.pricing-discount { font-size: 12px; color: var(--green); }

/* ── CHECKOUT ── */
.checkout-card {
  max-width: 480px; margin: 0 auto;
}
.order-number {
  font-family: monospace; font-size: 22px; font-weight: 700;
  color: var(--accent); letter-spacing: 2px;
  text-align: center; margin: 16px 0;
}
.bank-details {
  background: var(--bg3); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 16px;
  margin: 16px 0;
}
.bank-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 8px 0; border-bottom: 1px solid var(--border);
}
.bank-row:last-child { border: none; }
.bank-key { font-size: 13px; color: var(--text2); }
.bank-val { font-weight: 600; display: flex; align-items: center; gap: 8px; }

.status-timeline { margin: 24px 0; }
.status-step {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 10px 0;
}
.status-dot {
  width: 24px; height: 24px; border-radius: 50%;
  flex-shrink: 0; display: flex; align-items: center; justify-content: center;
  font-size: 13px;
}
.status-dot.done { background: var(--green); color: #000; }
.status-dot.active { background: var(--accent); color: #fff; }
.status-dot.wait { background: var(--bg3); border: 2px solid var(--border); }
.status-text { padding-top: 2px; }
.status-title { font-weight: 600; font-size: 14px; }
.status-desc { font-size: 13px; color: var(--text2); margin-top: 2px; }

/* ── PENDING PAYMENTS ── */
.pending-banner {
  background: rgba(79,142,247,0.08);
  border: 1px solid rgba(79,142,247,0.25);
  border-radius: var(--radius); padding: 16px;
  margin-bottom: 24px;
}

/* ── ADMIN ── */
.admin-table {
  width: 100%; border-collapse: collapse;
  font-size: 14px;
}
.admin-table th {
  text-align: left; padding: 10px 12px;
  color: var(--text2); font-weight: 600;
  border-bottom: 1px solid var(--border);
}
.admin-table td {
  padding: 10px 12px;
  border-bottom: 1px solid rgba(42,51,73,0.5);
}
.admin-table tr:hover td { background: rgba(255,255,255,0.02); }

/* ── UTILS ── */
.text-muted { color: var(--text2); }
.text-sm { font-size: 13px; }
.text-center { text-align: center; }
.mt-4 { margin-top: 16px; }
.mt-8 { margin-top: 32px; }
.mb-4 { margin-bottom: 16px; }
.flex { display: flex; }
.gap-2 { gap: 8px; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.w-full { width: 100%; }

@media (max-width: 600px) {
  .protocol-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }
  .key-header { flex-direction: column; align-items: flex-start; }
}


/* ABOUT / CONTACTS */

.vk-link {
  color: #4c75a3;
  font-weight: 600;
  text-decoration: none;
  padding: 2px 8px;
  border-radius: 6px;
  background: rgba(76, 117, 163, 0.1);
  transition: 0.2s;
}

.vk-link:hover {
  background: rgba(76, 117, 163, 0.2);
  text-decoration: none;
}

/* REGISTER USERNAME OR PASSWORD ERRORS */

.field-error {
  color: #e74c3c;
  font-size: 0.8rem;
  margin-top: 4px;
  min-height: 1em;
}

.form-control.is-invalid {
  border-color: #e74c3c;
}


/* ── MOBILE ADAPTIVE ── */
@media (max-width: 480px) {
  .main-content {
    padding: 16px 12px 40px;
  }

  /* Navbar */
  .nav-inner {
    padding: 10px 12px;
    flex-wrap: wrap;
    gap: 8px;
  }
  .nav-brand { font-size: 16px; }
  .nav-user {
    max-width: 100px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 12px;
  }
  .nav-right { gap: 8px; }

  /* Page title */
  .page-title { font-size: 20px; }

  /* Key card */
  .key-card { padding: 14px; }
  .key-name { font-size: 14px; word-break: break-all; }
  .key-meta { gap: 6px; }
  .key-meta-item { font-size: 12px; padding: 3px 8px; }

  /* Key URL */
  .key-url-wrap { flex-wrap: wrap; gap: 6px; }
  .key-url { font-size: 11px; width: 100%; }
  .copy-btn { font-size: 12px; }

  /* Buttons */
  .key-actions { gap: 6px; }
  .key-actions .btn { font-size: 12px; padding: 6px 10px; }

  /* Auth */
  .auth-card { padding: 24px 16px; }

  /* Modals */
  .modal { margin: 10px; }
  .modal-body { padding: 16px; }
  .modal-footer { padding: 12px 16px; flex-wrap: wrap; }

  /* Pricing grid */
  .pricing-grid { grid-template-columns: 1fr; }
  .protocol-grid { grid-template-columns: 1fr; }

  /* Pending banner */
  .pending-banner > div {
    flex-direction: column;
    align-items: flex-start !important;
    gap: 6px;
  }

  /* Admin table */
  .admin-table { font-size: 12px; }
  .admin-table th, .admin-table td { padding: 8px 6px; }

  /* Cards */
  .card { padding: 14px; }

  /* Checkout */
  .bank-row { flex-direction: column; gap: 4px; align-items: flex-start; }
  .bank-val { font-size: 14px; }
  .order-number { font-size: 18px; letter-spacing: 1px; }
}