@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&display=swap');

:root {
  --black: #001020;
  --graphite: #081428;
  --graphite-light: #0e1c30;
  --graphite-card: #060c1c;
  --graphite-border: #1a2a44;
  --graphite-border-light: #2a3a54;
  --ivory: #e0e8f0;
  --ivory-muted: #c0c8d4;
  --silver: #8a9aaa;
  --silver-light: #aab0c0;
  --amber: #A8E6FF;
  --amber-light: #C0EEFF;
  --amber-dark: #80C8E0;
  --gold: #A8E6FF;
  --olive: #6a9aaa;
  --accent-blue: #4a8aaa;
  --accent-teal: #3a9aaa;
  --danger: #b85353;
  --danger-light: #d46a6a;
  --success: #6a9a7a;
  --success-light: #7aaa8a;
  --blue-accent: #4a6a8a;
  --purple-accent: #6a5a8a;
  --gradient-ice: linear-gradient(135deg, #A8E6FF, #001020);
  --gradient-ice-reverse: linear-gradient(135deg, #001020, #A8E6FF);
  --font-display: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-ui: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', 'Consolas', monospace;
  --radius: 8px;
  --radius-sm: 4px;
  --padding-card: 24px;
  --padding-card-sm: 20px;
  --transition: 0.2s ease;
  --shadow-card: 0 1px 3px rgba(0,0,0,0.3);
  --grid-gap: 20px;
  --sidebar-width: 240px;
  --header-height: 64px;
}

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

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: var(--font-ui);
  background: var(--black);
  color: var(--ivory);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body::before {
  content: '';
  position: fixed;
  top: 0; left: 0; width: 100%; height: 100%;
  background-image:
    repeating-linear-gradient(0deg, transparent, transparent 1px, rgba(168,230,255,0.04) 1px, rgba(168,230,255,0.04) 2px),
    repeating-linear-gradient(90deg, transparent, transparent 60px, rgba(168,230,255,0.025) 60px, rgba(168,230,255,0.025) 61px);
  pointer-events: none;
  z-index: 0;
}

body::after {
  content: '';
  position: fixed;
  top: 0; left: 0; width: 100%; height: 100%;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.025'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 1;
  opacity: 0.5;
}

a { color: var(--amber); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--amber-light); }

::selection { background: var(--amber); color: var(--black); }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  position: relative;
  z-index: 1;
}

.grid { display: grid; gap: var(--grid-gap); }
.grid-12 { grid-template-columns: repeat(12, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* Cards */
.card {
  background: var(--graphite-card);
  border: 1px solid var(--graphite-border);
  border-radius: var(--radius);
  padding: var(--padding-card);
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
  position: relative;
  overflow: hidden;
}

.card:hover {
  transform: translateY(-2px);
  border-color: var(--graphite-border-light);
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

.card.selected {
  border-color: var(--amber);
  box-shadow: 0 0 0 1px var(--amber), 0 4px 16px rgba(168,230,255,0.1);
}

.card--danger { border-color: var(--danger); }
.card--success { border-color: var(--success); }

/* Typography */
h1, h2, h3, h4, h5 { font-family: var(--font-display); font-weight: 400; line-height: 1.2; }

h1 { font-size: 3rem; letter-spacing: -0.02em; }
h2 { font-size: 2rem; letter-spacing: -0.01em; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

.display-large {
  font-family: var(--font-display);
  font-size: 4rem;
  line-height: 1;
  letter-spacing: -0.03em;
}

.display-number {
  font-family: var(--font-display);
  font-size: 3.5rem;
  line-height: 1;
  font-weight: 400;
  letter-spacing: -0.02em;
}

.label {
  font-family: var(--font-ui);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--silver);
  font-weight: 500;
}

.label-accent { color: var(--amber); }
.label-danger { color: var(--danger); }
.label-success { color: var(--success); }

.text-muted { color: var(--silver); }
.text-ivory { color: var(--ivory); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 24px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font-family: var(--font-ui);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
  min-height: 40px;
}

.btn:disabled { opacity: 0.4; cursor: not-allowed; }

.btn-primary {
  background: var(--amber);
  color: var(--black);
  border-color: var(--amber);
}
.btn-primary:hover:not(:disabled) {
  background: var(--amber-light);
  border-color: var(--amber-light);
  color: var(--black);
}

.btn-secondary {
  background: transparent;
  color: var(--ivory);
  border-color: var(--graphite-border);
}
.btn-secondary:hover:not(:disabled) {
  border-color: var(--silver);
  background: rgba(255,255,255,0.03);
}

.btn-ghost {
  background: transparent;
  color: var(--silver);
  border-color: transparent;
}
.btn-ghost:hover:not(:disabled) { color: var(--ivory); background: rgba(255,255,255,0.03); }

.btn-sm { padding: 6px 16px; font-size: 0.8rem; min-height: 32px; }
.btn-lg { padding: 14px 32px; font-size: 1rem; min-height: 48px; }
.btn-full { width: 100%; }

.btn-danger { background: var(--danger); color: var(--ivory); border-color: var(--danger); }
.btn-danger:hover:not(:disabled) { background: var(--danger-light); }

.btn-outline-danger { background: transparent; color: var(--danger); border-color: var(--danger); }
.btn-outline-danger:hover:not(:disabled) { background: var(--danger); color: var(--ivory); }

/* Form elements */
.input {
  width: 100%;
  padding: 10px 14px;
  background: var(--graphite);
  border: 1px solid var(--graphite-border);
  border-radius: var(--radius);
  color: var(--ivory);
  font-family: var(--font-ui);
  font-size: 0.875rem;
  transition: border-color var(--transition);
  outline: none;
}
.input:focus { border-color: var(--amber); }
.input::placeholder { color: var(--silver); }
.input--error { border-color: var(--danger); }

/* Decorative lines */
.deco-line {
  height: 1px;
  background: linear-gradient(90deg, var(--graphite-border), var(--graphite-border-light), var(--graphite-border));
  margin: 16px 0;
  border: none;
}

.deco-line--vertical {
  width: 1px;
  background: linear-gradient(180deg, transparent, var(--graphite-border-light), transparent);
}

.deco-rule {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--silver);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}
.deco-rule::before, .deco-rule::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--graphite-border);
}

/* Tags / Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 10px;
  border-radius: 100px;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 500;
  border: 1px solid var(--graphite-border);
  background: var(--graphite);
  color: var(--silver);
}
.badge--success { border-color: var(--success); color: var(--success); }
.badge--danger { border-color: var(--danger); color: var(--danger); }
.badge--amber { border-color: var(--amber); color: var(--amber); }
.badge--active { border-color: var(--amber); color: var(--amber); background: rgba(168,230,255,0.08); }
.badge--info { border-color: var(--accent-blue); color: var(--accent-blue); }

/* Notice */
.notice {
  padding: 12px 16px;
  border-radius: var(--radius);
  border: 1px solid;
  font-size: 0.85rem;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}
.notice--info { border-color: var(--accent-blue); background: rgba(168,230,255,0.08); color: var(--ivory); }
.notice--success { border-color: var(--success); background: rgba(106,154,122,0.08); color: var(--success-light); }
.notice--error { border-color: var(--danger); background: rgba(184,83,83,0.08); color: var(--danger-light); }
.notice--warning { border-color: var(--amber); background: rgba(168,230,255,0.08); color: var(--amber-light); }

/* Banner (terms accept) */
.banner {
  padding: 16px 20px;
  border: 1px solid var(--amber);
  border-radius: var(--radius);
  background: rgba(168,230,255,0.06);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.banner__text { font-size: 0.875rem; color: var(--ivory-muted); }

/* Divider */
.divider {
  width: 100%;
  height: 1px;
  background: var(--graphite-border);
  margin: 8px 0;
}

/* Layout helpers */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-4 { gap: 4px; }
.gap-8 { gap: 8px; }
.gap-12 { gap: 12px; }
.gap-16 { gap: 16px; }
.gap-20 { gap: 20px; }
.gap-24 { gap: 24px; }
.mt-4 { margin-top: 4px; }
.mt-8 { margin-top: 8px; }
.mt-12 { margin-top: 12px; }
.mt-16 { margin-top: 16px; }
.mt-20 { margin-top: 20px; }
.mt-24 { margin-top: 24px; }
.mb-4 { margin-bottom: 4px; }
.mb-8 { margin-bottom: 8px; }
.mb-12 { margin-bottom: 12px; }
.mb-16 { margin-bottom: 16px; }
.mb-20 { margin-bottom: 20px; }
.mb-24 { margin-bottom: 24px; }
.ml-auto { margin-left: auto; }
.mr-auto { margin-right: auto; }
.p-0 { padding: 0; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.font-mono { font-family: var(--font-mono); }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.w-full { width: 100%; }

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--black); }
::-webkit-scrollbar-thumb { background: var(--graphite-border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--graphite-border-light); }

/* App layout */
.app-layout {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: var(--sidebar-width);
  background: var(--graphite);
  border-right: 1px solid var(--graphite-border);
  padding: 20px 0;
  position: fixed;
  top: 0; left: 0;
  height: 100vh;
  overflow-y: auto;
  z-index: 100;
  display: flex;
  flex-direction: column;
}

.sidebar__logo {
  padding: 0 20px 20px;
  border-bottom: 1px solid var(--graphite-border);
  margin-bottom: 8px;
}

.sidebar__logo h2 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--ivory);
  letter-spacing: 0.05em;
}

.sidebar__logo .label {
  font-size: 0.6rem;
  margin-top: 2px;
}

.sidebar__nav {
  list-style: none;
  padding: 0 8px;
  flex: 1;
}

.sidebar__nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: var(--radius);
  color: var(--silver);
  font-size: 0.85rem;
  cursor: pointer;
  transition: all var(--transition);
  margin-bottom: 2px;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  font-family: var(--font-ui);
}

.sidebar__nav-item:hover { color: var(--ivory); background: rgba(255,255,255,0.03); }
.sidebar__nav-item--active { color: var(--ivory); background: rgba(168,230,255,0.08); border: 1px solid rgba(168,230,255,0.15); }

.sidebar__nav-item .nav-icon {
  width: 20px;
  text-align: center;
  font-size: 1rem;
  flex-shrink: 0;
}

.sidebar__footer {
  padding: 16px 20px 8px;
  border-top: 1px solid var(--graphite-border);
  margin-top: auto;
}

.sidebar__status {
  padding: 12px 20px;
  margin: 8px 12px;
  border-radius: var(--radius);
  border: 1px solid var(--graphite-border);
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
}

.sidebar__status-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}
.sidebar__status-dot--online { background: var(--success); box-shadow: 0 0 6px rgba(106,154,122,0.4); }
.sidebar__status-dot--offline { background: var(--danger); }

.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  padding: 0;
  min-height: 100vh;
}

/* Header inside main */
.main-header {
  padding: 20px 28px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.main-header__left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.main-header__right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.user-profile {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 12px;
  border: 1px solid var(--graphite-border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: border-color var(--transition);
}

.user-profile:hover { border-color: var(--graphite-border-light); }

.user-profile__avatar {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--graphite-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  color: var(--silver);
  overflow: hidden;
}

.user-profile__name { font-size: 0.8rem; color: var(--ivory); }

/* Dashboard grid area */
.dashboard {
  padding: 20px 28px 28px;
}

/* Section header */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  gap: 12px;
}

.section-header h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: var(--ivory);
  font-weight: 400;
  letter-spacing: -0.01em;
}

.section-header .label {
  font-size: 0.65rem;
}

/* Status block (dashboard main) */
.status-block {
  text-align: center;
  padding: 32px 24px;
}

.status-block .display-number {
  font-size: 5rem;
  line-height: 1;
  margin-bottom: 4px;
}

.status-block .label {
  font-size: 0.65rem;
}

.status-metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 20px;
}

.metric {
  text-align: center;
  padding: 12px;
}

.metric__value {
  font-family: var(--font-display);
  font-size: 1.8rem;
  line-height: 1;
  color: var(--ivory);
}

.metric__label {
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--silver);
  margin-top: 4px;
}

/* Quick tiles */
.quick-tiles {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.quick-tile {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 20px 12px;
  background: var(--graphite-card);
  border: 1px solid var(--graphite-border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
  text-align: center;
  font-family: var(--font-ui);
  color: var(--ivory);
  font-size: 0.8rem;
}

.quick-tile:hover {
  border-color: var(--graphite-border-light);
  transform: translateY(-2px);
}

.quick-tile__icon { font-size: 1.3rem; }

/* Tariff cards */
.tariff-card {
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  position: relative;
}

/* Tariff main card (new layout) */
.tariff-main-card {
  padding: 32px 28px;
}

.tariff-main-card__label {
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--silver);
  margin-bottom: 4px;
}

.tariff-main-card__name {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 400;
  margin-bottom: 16px;
}

.tariff-main-card__price-display {
  font-family: var(--font-display);
  font-size: 2.8rem;
  line-height: 1;
  margin-bottom: 4px;
}

.tariff-main-card__price-label {
  font-size: 0.7rem;
  color: var(--silver);
  margin-bottom: 16px;
}

.tariff-main-card__features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
}
.tariff-main-card__features li {
  font-size: 0.85rem;
  color: var(--ivory-muted);
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Duration selector pills */
.duration-pills {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}
.duration-pill {
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 0.75rem;
  color: var(--silver);
  cursor: pointer;
  border: 1px solid var(--graphite-border);
  background: transparent;
  font-family: var(--font-ui);
  transition: all var(--transition);
}
.duration-pill:hover { border-color: var(--silver); color: var(--ivory); }
.duration-pill--active {
  border-color: var(--amber);
  color: var(--amber);
  background: rgba(168,230,255,0.08);
}

/* Traffic addon cards */
.traffic-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.traffic-card {
  padding: 20px 16px;
  text-align: center;
  cursor: pointer;
}
.traffic-card:hover { border-color: var(--graphite-border-light); }
.traffic-card--selected { border-color: var(--amber); box-shadow: 0 0 0 1px var(--amber); }
.traffic-card__amount {
  font-family: var(--font-display);
  font-size: 1.6rem;
  line-height: 1;
}
.traffic-card__label {
  font-size: 0.7rem;
  color: var(--silver);
  margin-top: 2px;
}
.traffic-card__price {
  font-family: var(--font-display);
  font-size: 1.2rem;
  margin-top: 8px;
  color: var(--amber);
}

.tariff-card__price {
  font-family: var(--font-display);
  font-size: 2.5rem;
  line-height: 1;
  margin: 8px 0;
}

.tariff-card__price-sub {
  font-size: 0.8rem;
  color: var(--silver);
}

.tariff-card__features {
  list-style: none;
  margin: 16px 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}

.tariff-card__features li {
  font-size: 0.8rem;
  color: var(--ivory-muted);
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Protocol badges */
.protocol-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: 3px;
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
  background: rgba(168,230,255,0.1);
  color: var(--accent-blue);
  border: 1px solid rgba(168,230,255,0.2);
}

.protocol-badge--wireguard { background: rgba(106,154,122,0.1); color: var(--success); border-color: rgba(106,154,122,0.2); }
.protocol-badge--openvpn { background: rgba(168,230,255,0.1); color: var(--amber); border-color: rgba(168,230,255,0.2); }

/* Server tag */
.server-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.7rem;
  color: var(--silver);
}
.server-tag__dot {
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--success);
}

/* Subscription key display */
.key-display {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--graphite);
  border-radius: var(--radius);
  border: 1px solid var(--graphite-border);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--silver);
  word-break: break-all;
}

/* QR container */
.qr-container {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: white;
  border-radius: var(--radius);
  max-width: 200px;
  margin: 0 auto;
}

.qr-container svg, .qr-container img { width: 100%; height: auto; }

/* Device list */
.device-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  border-bottom: 1px solid var(--graphite-border);
  gap: 12px;
}
.device-item:last-child { border-bottom: none; }

.device-item__info { flex: 1; min-width: 0; }
.device-item__name { font-size: 0.9rem; color: var(--ivory); }
.device-item__meta { font-size: 0.75rem; color: var(--silver); margin-top: 2px; }

.device-item__icon { font-size: 1.2rem; width: 24px; text-align: center; flex-shrink: 0; }

/* Family member */
.family-member {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px solid var(--graphite-border);
  gap: 12px;
}
.family-member:last-child { border-bottom: none; }

.family-member__avatar {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--graphite-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  flex-shrink: 0;
}

/* Extension cards */
.extension-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.extension-card {
  text-align: center;
  padding: 24px 16px;
  cursor: pointer;
}

.extension-card__number {
  font-family: var(--font-display);
  font-size: 2.5rem;
  line-height: 1;
}

.extension-card__label {
  font-size: 0.75rem;
  color: var(--silver);
  margin-top: 4px;
}

/* Summary metrics row */
.summary-metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.summary-metric {
  text-align: center;
  padding: 12px 8px;
  background: var(--graphite);
  border-radius: var(--radius);
}

.summary-metric__value {
  font-family: var(--font-display);
  font-size: 1.2rem;
}

.summary-metric__label {
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--silver);
  margin-top: 2px;
}

/* Checkout row */
.checkout-row {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 16px;
  align-items: end;
}

.checkout-row .total-display {
  font-family: var(--font-display);
  font-size: 1.5rem;
}

/* Payment history table */
.payment-table {
  width: 100%;
  border-collapse: collapse;
}

.payment-table th {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--silver);
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--graphite-border);
  font-weight: 500;
}

.payment-table td {
  padding: 10px 12px;
  font-size: 0.85rem;
  border-bottom: 1px solid var(--graphite-border);
}

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

/* Promo codes section */
.promo-code-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.promo-code-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: var(--graphite);
  border: 1px solid var(--graphite-border);
  border-radius: var(--radius);
  gap: 12px;
}

/* Admin */
.admin-section { margin-bottom: 32px; }

.admin-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

/* Modal */
.modal-overlay {
  position: fixed;
  top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(0,0,0,0.7);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.modal-overlay--open { opacity: 1; pointer-events: auto; }

.modal {
  background: var(--graphite);
  border: 1px solid var(--graphite-border);
  border-radius: var(--radius);
  padding: 28px;
  max-width: 480px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
}

/* Mobile nav toggle */
.mobile-nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--ivory);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 8px;
}

/* Hero (landing) */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 80px 0 40px;
  position: relative;
}

.hero__label {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--silver);
  margin-bottom: 12px;
}

.hero__title {
  font-family: var(--font-display);
  font-size: 5rem;
  line-height: 0.95;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
  max-width: 800px;
}

.hero__subtitle {
  font-size: 1.1rem;
  color: var(--silver);
  max-width: 500px;
  line-height: 1.5;
  margin-bottom: 32px;
}

.hero__meta {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.hero__meta-item {
  display: flex;
  flex-direction: column;
}

.hero__meta-item .label {
  font-size: 0.55rem;
}

.hero__meta-value {
  font-family: var(--font-display);
  font-size: 1rem;
}

/* Navigation tabs */
.tabs {
  display: flex;
  gap: 4px;
  padding: 4px;
  background: var(--graphite);
  border-radius: var(--radius);
  border: 1px solid var(--graphite-border);
  overflow-x: auto;
}

.tab {
  padding: 8px 16px;
  border-radius: calc(var(--radius) - 2px);
  font-size: 0.8rem;
  color: var(--silver);
  cursor: pointer;
  border: none;
  background: none;
  font-family: var(--font-ui);
  white-space: nowrap;
  transition: all var(--transition);
}

.tab:hover { color: var(--ivory); }
.tab--active { background: var(--graphite-card); color: var(--ivory); }

/* Loading spinner */
.spinner {
  width: 20px; height: 20px;
  border: 2px solid var(--graphite-border);
  border-top-color: var(--amber);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

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

/* Select */
select.input { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%237a7d85' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 12px center; padding-right: 36px; }

/* Telegram button */
.btn-telegram {
  background: #2a5885;
  color: white;
  border-color: #2a5885;
}
.btn-telegram:hover:not(:disabled) { background: #3a78a5; border-color: #3a78a5; }

/* Connection status indicator */
.conn-status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
}
.conn-status__dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}
.conn-status__dot--active { background: var(--success); box-shadow: 0 0 8px rgba(106,154,122,0.5); }
.conn-status__dot--inactive { background: var(--silver); }
.conn-status__dot--error { background: var(--danger); }

/* Network node decoration */
.network-node {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(74,122,170,0.06);
  pointer-events: none;
}

.network-line {
  position: absolute;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(74,122,170,0.06), transparent);
  pointer-events: none;
}

/* VPN feature card */
.feature-card {
  padding: 28px 24px;
  position: relative;
}

.feature-card__icon {
  font-size: 1.5rem;
  margin-bottom: 12px;
  color: var(--amber);
}

.feature-card h4 {
  font-family: var(--font-display);
  font-weight: 400;
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 0.85rem;
  color: var(--silver);
  line-height: 1.6;
}

/* Howto step */
.howto-step {
  padding: 28px 24px;
  position: relative;
}

.howto-step__number {
  font-family: var(--font-display);
  font-size: 2.5rem;
  line-height: 1;
  color: var(--accent-blue);
  opacity: 0.4;
  display: block;
  margin-bottom: 8px;
}

.howto-step h4 { margin-bottom: 8px; }
.howto-step p { font-size: 0.85rem; color: var(--silver); }

/* Speed indicator */
.speed-indicator {
  display: flex;
  align-items: center;
  gap: 8px;
}
.speed-indicator__bar {
  flex: 1;
  height: 3px;
  background: var(--graphite-border);
  border-radius: 2px;
  overflow: hidden;
}
.speed-indicator__fill {
  height: 100%;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--success), var(--amber));
  transition: width 0.5s ease;
}

/* Server location item */
.location-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid var(--graphite-border);
  gap: 12px;
}
.location-item:last-child { border-bottom: none; }
.location-item__name { font-size: 0.85rem; }
.location-item__ping { font-size: 0.75rem; color: var(--success); font-family: var(--font-mono); }

/* Responsive */
@media (max-width: 1100px) {
  .quick-tiles { grid-template-columns: repeat(2, 1fr); }
  .summary-metrics { grid-template-columns: repeat(2, 1fr); }
  .extension-cards { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 900px) {
  .sidebar { transform: translateX(-100%); transition: transform 0.3s ease; }
  .sidebar--open { transform: translateX(0); }
  .main-content { margin-left: 0; }
  .mobile-nav-toggle { display: block; }
  .grid-12 { grid-template-columns: repeat(6, 1fr); }
  .admin-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  :root { --padding-card: 16px; --grid-gap: 12px; }
  
  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }
  .display-large { font-size: 2.5rem; }
  .display-number { font-size: 2.5rem; }
  
  .hero__title { font-size: 2.5rem; }
  
  .status-block .display-number { font-size: 3.5rem; }
  .status-metrics { grid-template-columns: repeat(2, 1fr); gap: 8px; }
  .quick-tiles { grid-template-columns: repeat(2, 1fr); }
  .summary-metrics { grid-template-columns: repeat(2, 1fr); }
  .extension-cards { grid-template-columns: 1fr; }
  .checkout-row { grid-template-columns: 1fr; }
  .tariff-card { padding: 20px 16px; }
  
  .main-header { padding: 16px 16px 0; flex-direction: column; align-items: stretch; }
  .dashboard { padding: 16px; }
  
  .payment-table { font-size: 0.8rem; }
  .payment-table th, .payment-table td { padding: 8px; }
  
  .banner { flex-direction: column; align-items: stretch; }
  
  .hero { padding: 60px 0 30px; }
  
  .section-header { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
  .status-metrics { grid-template-columns: repeat(2, 1fr); }
  .quick-tiles { grid-template-columns: repeat(2, 1fr); }
  .summary-metrics { grid-template-columns: 1fr; }
  .metric__value { font-size: 1.4rem; }
}