@import url("https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;1,9..40,400&display=swap");

:root {
  --bg: #080c12;
  --bg-elevated: #0f1520;
  --card: #141c2b;
  --card-hover: #1a2438;
  --border: #243044;
  --border-light: #2f3f56;
  --ink: #eef3f8;
  --muted: #8fa3b8;
  --accent: #4db8ff;
  --accent-dim: #2a7ab8;
  --accent-glow: rgba(77, 184, 255, 0.15);
  --ok: #3ecf8e;
  --warn: #f0b429;
  --err: #f07178;
  --gold: #d4a853;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
  --nav-h: 56px;
  --max-w: 1120px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: "DM Sans", system-ui, sans-serif;
  background: var(--bg);
  color: var(--ink);
  min-height: 100vh;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(77, 184, 255, 0.08), transparent),
    radial-gradient(ellipse 60% 40% at 100% 0%, rgba(212, 168, 83, 0.04), transparent);
  pointer-events: none;
  z-index: 0;
}

a { color: var(--accent); text-decoration: none; transition: color 0.15s; }
a:hover { color: #7ccfff; }

/* ── Nav ── */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 20px;
  background: rgba(8, 12, 18, 0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}

.site-nav .logo {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--ink);
  letter-spacing: -0.02em;
  flex-shrink: 0;
}

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

/* Hamburger — mobile only */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  margin-left: auto;
  padding: 8px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-elevated);
  cursor: pointer;
  flex-shrink: 0;
}
.nav-toggle-bar {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--ink);
  border-radius: 1px;
  transition: transform 0.2s, opacity 0.2s;
}
.nav-toggle.open .nav-toggle-bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open .nav-toggle-bar:nth-child(2) { opacity: 0; }
.nav-toggle.open .nav-toggle-bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Drawer layout */
.nav-drawer {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-width: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 3px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 999px;
}

.site-nav a.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 500;
  padding: 7px 14px;
  border-radius: 999px;
  white-space: nowrap;
  transition: color 0.15s, background 0.15s;
}

.nav-link-icon { font-size: 0.9rem; line-height: 1; opacity: 0.85; }

.site-nav a.nav-link:hover,
.site-nav a.nav-link.active {
  color: var(--ink);
  background: var(--accent-glow);
}

.site-nav a.nav-link.active {
  color: var(--accent);
  box-shadow: inset 0 0 0 1px rgba(77, 184, 255, 0.25);
}

.nav-end {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.nav-auth {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Language picker */
.lang-picker { position: relative; }

.lang-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 10px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--ink);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}
.lang-btn:hover { border-color: var(--accent); background: var(--accent-glow); }

.lang-code { font-family: "Consolas", monospace; letter-spacing: 0.04em; }

.lang-caret {
  width: 0; height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid var(--muted);
  margin-left: 2px;
}

.lang-panel {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  min-width: 168px;
  padding: 6px;
  background: var(--card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
  z-index: 200;
}

.lang-opt {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 8px 10px;
  border: none;
  border-radius: 6px;
  background: transparent;
  color: var(--ink);
  font-size: 0.84rem;
  text-align: left;
  cursor: pointer;
  transition: background 0.12s;
}
.lang-opt:hover { background: var(--accent-glow); }
.lang-opt.active { background: rgba(77, 184, 255, 0.12); color: var(--accent); }
.lang-opt .lang-name { flex: 1; }
.lang-check { color: var(--accent); font-size: 0.75rem; }

/* Logged-in user chip */
.nav-user {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 10px 4px 4px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--bg-elevated);
  color: var(--ink);
  max-width: 180px;
  transition: border-color 0.15s, background 0.15s;
}
.nav-user:hover {
  border-color: var(--accent);
  background: var(--accent-glow);
  color: var(--ink);
}

.nav-avatar {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  flex-shrink: 0;
}

.nav-user-info {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
  min-width: 0;
  overflow: hidden;
}

.nav-user-name {
  font-size: 0.8rem;
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.nav-user-plan {
  font-size: 0.68rem;
  color: var(--muted);
}

.site-nav .btn-nav {
  font-size: 0.84rem;
  font-weight: 600;
  padding: 7px 14px;
  border-radius: var(--radius-sm);
  background: var(--accent);
  color: #fff;
  border: none;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s;
}

.site-nav .btn-nav:hover { background: var(--accent-dim); color: #fff; }

.site-nav .btn-nav.outline {
  background: transparent;
  border: 1px solid var(--border-light);
  color: var(--ink);
}

.site-nav .btn-nav.outline:hover {
  border-color: var(--accent);
  background: var(--accent-glow);
}

/* ── Layout ── */
.page {
  position: relative;
  z-index: 1;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 40px 24px 64px;
}

.page-narrow { max-width: 440px; }

.page-center {
  min-height: calc(100vh - var(--nav-h));
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px 24px;
}

/* ── Cards ── */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
}

.card-glow {
  border-color: var(--border-light);
  background: linear-gradient(145deg, var(--card) 0%, var(--bg-elevated) 100%);
}

.card h1, .card h2, .card h3 { letter-spacing: -0.02em; }

/* ── Typography ── */
h1 { font-size: 1.75rem; font-weight: 700; margin-bottom: 6px; }
h2 { font-size: 1.15rem; font-weight: 600; }
.sub, .lead {
  color: var(--muted);
  font-size: 0.92rem;
  margin-bottom: 24px;
}

.badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  background: var(--accent-glow);
  padding: 4px 10px;
  border-radius: 20px;
  margin-bottom: 10px;
}

/* ── Forms ── */
label {
  display: block;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--muted);
  margin-bottom: 14px;
}

input, select, textarea {
  width: 100%;
  padding: 11px 14px;
  margin-top: 5px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg);
  color: var(--ink);
  font: inherit;
  transition: border-color 0.15s, box-shadow 0.15s;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

button, .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 11px 20px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  font: inherit;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: background 0.15s, transform 0.1s, opacity 0.15s;
}

button:hover, .btn:hover { background: var(--accent-dim); }
button:active, .btn:active { transform: scale(0.98); }
button:disabled, .btn:disabled { opacity: 0.45; cursor: not-allowed; }

button.sec, .btn.sec {
  background: var(--border);
  color: var(--ink);
}

button.sec:hover, .btn.sec:hover { background: var(--border-light); }

button.block, .btn.block { width: 100%; margin-top: 8px; }

.err {
  color: var(--err);
  font-size: 0.85rem;
  margin-top: 10px;
  min-height: 1.2em;
}

.foot {
  margin-top: 22px;
  font-size: 0.85rem;
  color: var(--muted);
  text-align: center;
}

/* ── Hero (home) ── */
.hero {
  text-align: center;
  padding: 48px 0 40px;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 2.8rem);
  font-weight: 700;
  background: linear-gradient(135deg, var(--ink) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 12px;
}

.hero .lead { max-width: 520px; margin: 0 auto 32px; font-size: 1rem; }

.hero-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

/* ── Grid tiles ── */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

.tile {
  display: block;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  text-decoration: none;
  color: var(--ink);
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
}

.tile:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
  color: var(--ink);
}

.tile .icon {
  font-size: 1.5rem;
  margin-bottom: 10px;
  display: block;
}

.tile h2 { font-size: 1rem; color: var(--accent); margin-bottom: 6px; }
.tile p { font-size: 0.84rem; color: var(--muted); margin: 0; line-height: 1.5; }

/* ── Dashboard ── */
.dash-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 28px;
}

.user-pill {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 16px;
  font-size: 0.85rem;
}

.user-pill .avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-dim));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
  color: #fff;
}

.user-pill .meta { color: var(--muted); font-size: 0.78rem; }
.user-pill .plan-tag {
  color: var(--gold);
  font-weight: 600;
  font-size: 0.8rem;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
}

.stat-card .label {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--muted);
  margin-bottom: 8px;
}

.stat-card .value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--ink);
}

.stat-card .hint { font-size: 0.8rem; color: var(--muted); margin-top: 4px; }

.panel {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  margin-bottom: 20px;
}

.panel h2 {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--muted);
  margin-bottom: 16px;
}

.form-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.form-row label {
  display: flex;
  flex-direction: column;
  font-size: 0.75rem;
  margin-bottom: 0;
  min-width: 100px;
}

.form-row input, .form-row select {
  margin-top: 3px;
  padding: 7px 10px;
  font-size: 0.85rem;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
}

th, td {
  text-align: left;
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
}

th { color: var(--muted); font-weight: 600; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.04em; }
tr:hover td { background: rgba(77, 184, 255, 0.03); }

.quota { font-size: 0.82rem; color: var(--muted); margin-bottom: 4px; }

#log {
  font-family: "Consolas", "Monaco", monospace;
  font-size: 0.75rem;
  color: var(--muted);
  max-height: 140px;
  overflow-y: auto;
  margin-top: 12px;
  padding: 10px;
  background: var(--bg);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

.alert {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  margin-bottom: 16px;
}

.alert-warn {
  background: rgba(240, 180, 41, 0.1);
  border: 1px solid rgba(240, 180, 41, 0.3);
  color: var(--warn);
}

/* ── Pricing ── */
.pricing-header { text-align: center; margin-bottom: 36px; }
.pricing-header h1 { font-size: 2rem; }

.plan-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 18px;
}

.plan-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  display: flex;
  flex-direction: column;
  transition: border-color 0.2s, transform 0.2s;
}

.plan-card:hover { border-color: var(--border-light); }
.plan-card.featured {
  border-color: var(--accent);
  background: linear-gradient(160deg, var(--card) 0%, rgba(77, 184, 255, 0.06) 100%);
  transform: scale(1.02);
}

.plan-card .plan-name { font-size: 1.1rem; font-weight: 600; }
.plan-card .price {
  font-size: 2.2rem;
  font-weight: 700;
  margin: 14px 0 6px;
  color: var(--ink);
}
.plan-card .price small { font-size: 0.85rem; font-weight: 400; color: var(--muted); }
.plan-card .desc { color: var(--muted); font-size: 0.85rem; flex: 1; margin-bottom: 16px; }
.plan-card ul { font-size: 0.82rem; color: var(--muted); margin-bottom: 20px; padding-left: 18px; }
.plan-card ul li { margin-bottom: 5px; }
.plan-card ul li::marker { color: var(--accent); }

@media (max-width: 860px) {
  .nav-toggle { display: flex; }

  .nav-drawer {
    position: fixed;
    top: var(--nav-h);
    left: 0;
    right: 0;
    flex: none;
    flex-direction: column;
    align-items: stretch;
    gap: 14px;
    padding: 16px 20px 20px;
    background: rgba(15, 21, 32, 0.98);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
    display: none;
  }

  .nav-drawer.open { display: flex; }

  .nav-links {
    flex-direction: column;
    border-radius: var(--radius-sm);
    padding: 6px;
    gap: 4px;
  }

  .site-nav a.nav-link {
    width: 100%;
    padding: 12px 14px;
    border-radius: var(--radius-sm);
    font-size: 0.92rem;
  }

  .nav-end {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    gap: 12px;
  }

  .lang-picker { width: 100%; }
  .lang-btn { width: 100%; justify-content: center; }
  .lang-panel {
    position: static;
    margin-top: 6px;
    width: 100%;
    box-shadow: none;
  }
  .lang-panel[hidden] { display: none; }
  .lang-panel:not([hidden]) { display: block; }

  .nav-auth {
    flex-direction: column;
    width: 100%;
    gap: 8px;
  }

  .nav-auth .btn-nav,
  .nav-auth .nav-user {
    width: 100%;
    justify-content: center;
    text-align: center;
    max-width: none;
  }

  .nav-user { padding: 10px 14px; border-radius: var(--radius-sm); }
}

@media (max-width: 600px) {
  .site-nav { padding: 0 14px; gap: 8px; }
  .hero { padding: 32px 0 24px; }
}