/* ============================================================
   RenrenYings Cloud — Modern Cloud Provider UI System
   Inspired by Vercel / Linear / Vultr / AWS Console
   ============================================================ */

/* ---- Design Tokens ---- */
:root {
  /* Surfaces — clean dark with subtle blue tint */
  --bg: #09090b;
  --bg-1: #0c0c0f;
  --bg-2: #131316;
  --bg-3: #1a1a1f;
  --panel: #16161a;
  --panel-hover: #1e1e24;
  --panel-elevated: #1c1c22;

  /* Text */
  --text: #fafafa;
  --text-1: #e4e4e7;
  --text-2: #a1a1aa;
  --text-3: #71717a;
  --text-4: #52525b;

  /* Brand */
  --brand: #6366f1;
  --brand-light: #818cf8;
  --brand-dark: #4f46e5;
  --accent: #22d3ee;
  --accent-2: #a78bfa;

  /* Semantic */
  --success: #10b981;
  --success-bg: rgba(16, 185, 129, 0.1);
  --warning: #f59e0b;
  --warning-bg: rgba(245, 158, 11, 0.1);
  --danger: #ef4444;
  --danger-bg: rgba(239, 68, 68, 0.1);
  --info: #3b82f6;
  --info-bg: rgba(59, 130, 246, 0.1);

  /* Lines */
  --border: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(255, 255, 255, 0.14);
  --border-strong: rgba(255, 255, 255, 0.2);

  /* Radii */
  --r-sm: 6px;
  --r-md: 8px;
  --r-lg: 12px;
  --r-xl: 16px;
  --r-2xl: 20px;

  /* Shadows */
  --sh-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --sh-md: 0 4px 12px rgba(0, 0, 0, 0.25);
  --sh-lg: 0 8px 32px rgba(0, 0, 0, 0.35);
  --sh-glow: 0 0 40px rgba(99, 102, 241, 0.15);

  /* Transitions */
  --t-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --t: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --t-slow: 0.3s cubic-bezier(0.4, 0, 0.2, 1);

  /* Layout */
  --max-w: 1200px;
  --header-h: 56px;

  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto,
    'Helvetica Neue', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: 'cv02', 'cv03', 'cv04', 'cv11';
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  min-height: 100vh;
  color: var(--text);
  background: var(--bg);
  font-size: 14px;
  line-height: 1.6;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img, svg { max-width: 100%; display: block; }
button, input, select, textarea { font: inherit; color: inherit; }
ul { list-style: none; }

/* ---- Layout helpers ---- */
.wrap { width: min(var(--max-w), calc(100% - 32px)); margin: 0 auto; }
.row { display: flex; gap: 16px; align-items: center; }
.between { justify-content: space-between; }
.col { display: flex; flex-direction: column; }
.muted-text { color: var(--text-2); }
.mono { font-family: 'JetBrains Mono', 'Fira Code', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }

/* ============================================================
   HEADER / NAVBAR
   ============================================================ */
.top {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header-h);
  background: rgba(9, 9, 11, 0.8);
  backdrop-filter: blur(20px) saturate(1.5);
  -webkit-backdrop-filter: blur(20px) saturate(1.5);
  border-bottom: 1px solid var(--border);
}
.top .wrap {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand {
  font-weight: 700;
  font-size: 16px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  letter-spacing: -0.02em;
}
.brand span {
  background: linear-gradient(135deg, #818cf8, #22d3ee);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.brand-dot {
  width: 22px;
  height: 22px;
  border-radius: 6px;
  background: linear-gradient(135deg, #6366f1, #22d3ee);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 800;
  color: #fff;
  box-shadow: 0 2px 8px rgba(99, 102, 241, 0.4);
}
.nav {
  display: flex;
  gap: 2px;
  align-items: center;
}
.nav a {
  padding: 7px 12px;
  border-radius: var(--r-md);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-2);
  transition: all var(--t-fast);
}
.nav a:hover {
  color: var(--text);
  background: var(--panel-hover);
}
.nav a.btn, .nav .btn { padding: 7px 14px; }
.nav-toggle {
  display: none;
  width: 36px;
  height: 36px;
  border-radius: var(--r-md);
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  cursor: pointer;
  font-size: 18px;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border-radius: var(--r-md);
  border: 1px solid var(--border);
  padding: 8px 14px;
  background: var(--panel);
  color: var(--text-1);
  cursor: pointer;
  font-weight: 500;
  font-size: 13px;
  white-space: nowrap;
  transition: all var(--t-fast);
  position: relative;
  overflow: hidden;
}
.btn:hover {
  background: var(--panel-hover);
  border-color: var(--border-hover);
}
.btn:active { transform: scale(0.98); }
.btn.sm { padding: 5px 10px; font-size: 12px; border-radius: var(--r-sm); }
.btn.lg { padding: 12px 24px; font-size: 15px; border-radius: var(--r-lg); }
.btn.primary {
  background: linear-gradient(135deg, #6366f1, #4f46e5);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 1px 3px rgba(99, 102, 241, 0.3), 0 4px 16px rgba(99, 102, 241, 0.2);
}
.btn.primary:hover {
  background: linear-gradient(135deg, #7c7ff5, #5b54e8);
  box-shadow: 0 2px 8px rgba(99, 102, 241, 0.4), 0 8px 24px rgba(99, 102, 241, 0.3);
  transform: translateY(-1px);
}
.btn.good {
  background: var(--success);
  border-color: transparent;
  color: #fff;
}
.btn.good:hover { background: #059669; }
.btn.ghost {
  background: transparent;
  border-color: var(--border);
}
.btn.ghost:hover { background: var(--panel-hover); }
.btn.danger {
  background: var(--danger);
  border-color: transparent;
  color: #fff;
}
.btn.danger:hover { background: #dc2626; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  padding: 80px 0 48px;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(600px 300px at 50% -10%, rgba(99, 102, 241, 0.12), transparent),
    radial-gradient(400px 200px at 80% 10%, rgba(34, 211, 238, 0.08), transparent);
  pointer-events: none;
}
.hero .wrap { position: relative; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 48px;
  align-items: center;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 5px 12px;
  border-radius: 999px;
  border: 1px solid rgba(99, 102, 241, 0.2);
  background: rgba(99, 102, 241, 0.06);
  color: var(--brand-light);
}
.hero h1 {
  font-size: clamp(34px, 5.5vw, 56px);
  line-height: 1.05;
  letter-spacing: -0.035em;
  font-weight: 800;
  margin: 20px 0 16px;
}
.hero h1 em {
  font-style: normal;
  background: linear-gradient(120deg, #818cf8, #22d3ee 50%, #a78bfa);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.lead {
  color: var(--text-2);
  font-size: 17px;
  line-height: 1.7;
  max-width: 520px;
}
.actions { display: flex; gap: 10px; margin: 28px 0 0; flex-wrap: wrap; }

/* Hero visual — terminal/console mock */
.hero-card {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  overflow: hidden;
  box-shadow: var(--sh-lg), var(--sh-glow);
}
.hero-card-header {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-2);
}
.hero-card-header .dot {
  width: 10px; height: 10px; border-radius: 50%;
}
.hero-card-header .dot.r { background: #ff5f57; }
.hero-card-header .dot.y { background: #febc2e; }
.hero-card-header .dot.g { background: #28c840; }
.hero-card-header .title {
  margin-left: 8px;
  font-size: 12px;
  color: var(--text-3);
}
.hero-card-body {
  padding: 20px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  line-height: 1.8;
}
.hero-card-body .line { display: flex; gap: 8px; }
.hero-card-body .prompt { color: var(--success); }
.hero-card-body .cmd { color: var(--text-1); }
.hero-card-body .out { color: var(--text-3); }
.hero-card-body .ok { color: var(--success); }
.hero-card-body .key { color: var(--brand-light); }
.hero-card-body .val { color: var(--accent); }

/* Stats */
.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 36px;
}
.stats > div {
  border-left: 2px solid var(--border);
  padding-left: 16px;
}
.stats b {
  display: block;
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, #fafafa, #a1a1aa);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.stats span { color: var(--text-3); font-size: 13px; }

/* ============================================================
   SECTIONS
   ============================================================ */
.section { padding: 64px 0; }
.section.subtle {
  background: var(--bg-1);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.section-head { margin-bottom: 32px; }
.section-head h2 {
  font-size: clamp(26px, 3.5vw, 36px);
  letter-spacing: -0.03em;
  font-weight: 800;
  margin-bottom: 8px;
}
.section-head p { color: var(--text-2); max-width: 580px; line-height: 1.6; }

/* ============================================================
   FEATURE GRID
   ============================================================ */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.feature {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: 24px;
  transition: all var(--t);
  position: relative;
  overflow: hidden;
}
.feature:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
  box-shadow: var(--sh-md);
}
.feature .ico {
  width: 40px;
  height: 40px;
  border-radius: var(--r-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  margin-bottom: 16px;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.15);
}
.feature:nth-child(2) .ico { background: rgba(34, 211, 238, 0.1); border-color: rgba(34, 211, 238, 0.15); }
.feature:nth-child(3) .ico { background: rgba(16, 185, 129, 0.1); border-color: rgba(16, 185, 129, 0.15); }
.feature:nth-child(4) .ico { background: rgba(167, 139, 250, 0.1); border-color: rgba(167, 139, 250, 0.15); }
.feature h4 { font-size: 15px; font-weight: 600; margin-bottom: 6px; }
.feature p { font-size: 13px; color: var(--text-2); line-height: 1.5; }

/* ============================================================
   PLAN CARDS
   ============================================================ */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
}
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: 28px;
  transition: all var(--t);
  position: relative;
  overflow: hidden;
}
.card:hover {
  border-color: rgba(99, 102, 241, 0.3);
  transform: translateY(-3px);
  box-shadow: var(--sh-lg);
}
.card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(99, 102, 241, 0.3), transparent);
  opacity: 0;
  transition: opacity var(--t);
}
.card:hover::before { opacity: 1; }
.card .region {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--brand-light);
  margin-bottom: 8px;
}
.card h3 {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 6px;
}
.card .desc {
  font-size: 13px;
  color: var(--text-2);
  line-height: 1.55;
  margin-bottom: 20px;
  min-height: 40px;
}
.card .specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 20px;
  padding: 16px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.card .specs > div {
  font-size: 13px;
  color: var(--text-3);
}
.card .specs b {
  display: block;
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 2px;
  letter-spacing: -0.02em;
}
.card .price-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}
.price-pill {
  display: inline-flex;
  align-items: baseline;
  gap: 2px;
  padding: 6px 12px;
  border-radius: var(--r-md);
  border: 1px solid var(--border);
  background: var(--bg-2);
  font-size: 12px;
  font-weight: 600;
  color: var(--text-3);
}
.price-pill em {
  font-style: normal;
  font-size: 18px;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.02em;
  margin: 0 2px;
}
.card .actions { margin: 0; }

/* Storage card variant */
.card.storage {
  border-color: rgba(167, 139, 250, 0.2);
}
.card.storage .region { color: #a78bfa; }
.card.storage .specs b { color: #c4b5fd; }
.card.storage:hover { border-color: rgba(167, 139, 250, 0.4); }
.badge.storage {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 4px;
  background: rgba(167, 139, 250, 0.15);
  color: #c4b5fd;
  margin-bottom: 8px;
}

/* ============================================================
   TABLES
   ============================================================ */
.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.table th {
  text-align: left;
  padding: 10px 12px;
  font-weight: 600;
  font-size: 12px;
  color: var(--text-3);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.table td {
  padding: 12px;
  border-bottom: 1px solid var(--border);
  color: var(--text-1);
  vertical-align: middle;
}
.table tbody tr {
  transition: background var(--t-fast);
}
.table tbody tr:hover {
  background: var(--panel-hover);
}

/* ============================================================
   BADGES / STATUS
   ============================================================ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 4px;
  background: var(--bg-3);
  color: var(--text-2);
  white-space: nowrap;
}
.badge.ready, .badge.active, .badge.success, .badge.completed, .badge.paid, .badge.online {
  background: var(--success-bg);
  color: #34d399;
}
.badge.pending, .badge.pending_payment, .badge.provisioning, .badge.queued, .badge.running {
  background: var(--warning-bg);
  color: #fbbf24;
}
.badge.sold, .badge.reserved {
  background: var(--info-bg);
  color: #60a5fa;
}
.badge.suspended, .badge.expired, .badge.failed, .badge.cancelled, .badge.refunded {
  background: var(--danger-bg);
  color: #f87171;
}
.badge.recycling, .badge.reinstalling, .badge.maintenance, .badge.optimizing {
  background: rgba(168, 85, 247, 0.1);
  color: #c084fc;
}
.badge.sourcing {
  background: rgba(99, 102, 241, 0.1);
  color: #818cf8;
}
.badge.retired, .badge.blocked {
  background: rgba(113, 113, 122, 0.1);
  color: var(--text-3);
}

/* ============================================================
   FORMS
   ============================================================ */
input, select, textarea {
  width: 100%;
  padding: 9px 12px;
  border-radius: var(--r-md);
  border: 1px solid var(--border);
  background: var(--bg-2);
  color: var(--text);
  font-size: 13px;
  transition: all var(--t-fast);
  outline: none;
}
input:focus, select:focus, textarea:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}
input::placeholder, textarea::placeholder { color: var(--text-4); }
label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-2);
  margin-bottom: 5px;
}
.form-group { margin-bottom: 16px; }
.form-actions {
  display: flex;
  gap: 10px;
  margin-top: 20px;
}
.grid2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

/* ============================================================
   CARDS / PANELS (generic)
   ============================================================ */
.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: 24px;
}
.block {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: 20px;
  margin-bottom: 16px;
}
.block h3 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text-1);
}

/* Key-value grid */
.kv {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 0;
  font-size: 13px;
}
.kv > div:nth-child(odd) {
  color: var(--text-3);
  padding: 8px 12px 8px 0;
  font-weight: 500;
}
.kv > div:nth-child(even) {
  color: var(--text-1);
  padding: 8px 0;
  word-break: break-all;
}

/* Ops buttons row */
.ops {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

/* Messages */
.msg { font-size: 13px; color: var(--text-2); padding: 8px 0; }
.msg.ok { color: var(--success); }
.msg.err { color: var(--danger); }
.warn { color: var(--warning); font-size: 12px; }

/* ============================================================
   AUTH PAGES (login / register)
   ============================================================ */
.auth-wrap {
  min-height: calc(100vh - var(--header-h));
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
  position: relative;
  overflow: hidden;
}
.auth-wrap::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(500px 250px at 30% 20%, rgba(99, 102, 241, 0.08), transparent),
    radial-gradient(400px 200px at 70% 80%, rgba(34, 211, 238, 0.06), transparent);
  pointer-events: none;
}
.auth-card {
  width: 100%;
  max-width: 400px;
  position: relative;
}
.auth-card .panel {
  padding: 32px;
}
.auth-card h2 {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 6px;
}
.auth-card .sub {
  color: var(--text-2);
  font-size: 13px;
  margin-bottom: 24px;
}

/* Captcha */
.captcha-row {
  display: flex;
  gap: 8px;
  align-items: center;
}
.captcha-img {
  width: 130px;
  height: 42px;
  border-radius: var(--r-md);
  border: 1px solid var(--border);
  background: var(--bg-2);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all var(--t-fast);
}
.captcha-img:hover { border-color: var(--border-hover); }
.captcha-img svg { max-height: 36px; }

/* ============================================================
   USER CHIP / NAV AVATAR
   ============================================================ */
.user-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 10px 4px 4px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--panel);
  font-size: 13px;
  cursor: pointer;
  transition: all var(--t-fast);
}
.user-chip:hover { border-color: var(--border-hover); background: var(--panel-hover); }
.user-avatar {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: linear-gradient(135deg, #6366f1, #22d3ee);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}
.menu-drop {
  position: absolute;
  top: calc(100% + 4px);
  right: 0;
  min-width: 160px;
  background: var(--panel-elevated);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  box-shadow: var(--sh-lg);
  padding: 4px;
  z-index: 60;
}
.menu-drop a {
  display: block;
  padding: 8px 10px;
  border-radius: var(--r-sm);
  font-size: 13px;
  color: var(--text-1);
  transition: background var(--t-fast);
}
.menu-drop a:hover { background: var(--panel-hover); }
details > summary { list-style: none; cursor: pointer; }
details > summary::-webkit-details-marker { display: none; }
details[open] .menu-drop { display: block; }
.menu-drop { display: none; }

/* ============================================================
   PAYMENT / CHECKOUT
   ============================================================ */
.pay-method {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px;
  border-radius: var(--r-lg);
  border: 1px solid var(--border);
  background: var(--panel);
  cursor: pointer;
  transition: all var(--t);
  position: relative;
  min-height: 64px;
}
.pay-method:hover {
  border-color: var(--border-hover);
  background: var(--panel-hover);
}
.pay-method.active {
  border-color: var(--brand);
  background: rgba(99, 102, 241, 0.05);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}
.pay-method.active::after {
  content: '';
  position: absolute;
  top: 50%;
  right: 14px;
  transform: translateY(-50%);
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--brand);
  box-shadow: 0 0 8px var(--brand);
}
.pay-method img, .pay-method svg {
  width: 40px;
  height: 40px;
  border-radius: var(--r-sm);
}

/* ============================================================
   STEPS / FLOW
   ============================================================ */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.steps > div {
  text-align: center;
  padding: 24px 16px;
}
.steps span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.2);
  color: var(--brand-light);
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 14px;
}
.steps h4 { font-size: 14px; font-weight: 600; margin-bottom: 6px; }
.steps p { font-size: 12px; color: var(--text-2); line-height: 1.5; }

/* CTA Band */
.cta-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 32px;
  border-radius: var(--r-2xl);
  background:
    linear-gradient(135deg, rgba(99, 102, 241, 0.08), rgba(34, 211, 238, 0.04)),
    var(--panel);
  border: 1px solid rgba(99, 102, 241, 0.15);
}
.cta-band h3 { font-size: 20px; font-weight: 700; margin-bottom: 4px; }
.cta-band p { color: var(--text-2); font-size: 14px; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  border-top: 1px solid var(--border);
  padding: 32px 0;
  margin-top: 40px;
}
.footer .row { font-size: 13px; color: var(--text-3); }

/* ============================================================
   ADMIN
   ============================================================ */
.admin-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 24px;
  padding: 24px 0;
  min-height: calc(100vh - var(--header-h));
}
.sidebar {
  position: sticky;
  top: calc(var(--header-h) + 24px);
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.sidebar a, .sidebar button {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: var(--r-md);
  font-size: 13px;
  color: var(--text-2);
  background: transparent;
  border: none;
  cursor: pointer;
  text-align: left;
  transition: all var(--t-fast);
}
.sidebar a:hover, .sidebar button:hover { background: var(--panel-hover); color: var(--text); }
.sidebar a.active { background: var(--panel-elevated); color: var(--text); font-weight: 500; }

.toolbar {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-bottom: 16px;
}

/* Provider box (admin inventory form) */
.provider-box {
  margin-top: 16px;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  background: var(--bg-2);
}
.provider-box .hint {
  color: var(--text-3);
  font-size: 12px;
  margin: 4px 0 10px;
}

/* ============================================================
   ANIMATIONS
   ============================================================ */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}
@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}
.fade-in { animation: fadeIn 0.4s ease-out; }

/* Loading skeleton */
.skeleton {
  background: linear-gradient(90deg, var(--panel) 25%, var(--panel-hover) 50%, var(--panel) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--r-md);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: 32px; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .admin-layout { grid-template-columns: 1fr; }
  .sidebar { position: static; flex-direction: row; flex-wrap: wrap; }
}
@media (max-width: 640px) {
  .nav { display: none; }
  .nav.open {
    display: flex;
    position: absolute;
    top: var(--header-h);
    right: 16px;
    left: 16px;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    padding: 10px;
    border-radius: var(--r-lg);
    background: var(--panel-elevated);
    border: 1px solid var(--border);
    box-shadow: var(--sh-lg);
  }
  .nav-toggle { display: inline-flex; align-items: center; justify-content: center; }
  .feature-grid { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr; gap: 16px; }
  .cta-band { flex-direction: column; text-align: center; }
  .grid2 { grid-template-columns: 1fr; }
  .kv { grid-template-columns: 100px 1fr; }
}

/* ============================================================
   SCROLLBAR
   ============================================================ */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg-1); }
::-webkit-scrollbar-thumb { background: var(--bg-3); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-4); }