@import url('https://fonts.googleapis.com/css2?family=Geist:wght@300;400;500;600;700&family=Geist+Mono:wght@300;400;500;600&display=swap');

/* ============================================================
   Nativo GPT — Design-System (botnet.to-inspired: dark + neon green)
   ============================================================ */
:root {
  --bg: #050505;
  --bg-2: #0a0b0a;
  --surface: #0c0e0c;
  --surface-2: #131613;
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.16);
  --text: #f1f3f1;
  --text-dim: #9a9f9a;
  --text-faint: #656a65;
  --primary: #05df72;
  --primary-2: #4ff09b;
  --primary-glow: rgba(5, 223, 114, 0.30);
  --success: #05df72;
  --danger: #ff5c6a;
  --warning: #ffb020;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.55);
  --font: "Geist", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --mono: "Geist Mono", ui-monospace, "SF Mono", Menlo, monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
::selection { background: var(--primary); color: #04120b; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
  letter-spacing: -0.006em;
  -webkit-font-smoothing: antialiased;
  background-image:
    radial-gradient(1100px 620px at 50% -12%, rgba(5, 223, 114, 0.10), transparent 62%),
    radial-gradient(900px 500px at 100% 0%, rgba(5, 223, 114, 0.05), transparent 60%),
    linear-gradient(var(--bg), var(--bg));
  background-attachment: fixed;
}

/* subtle grid overlay */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.022) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.022) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: radial-gradient(circle at 50% 0%, #000 0%, transparent 75%);
}
.app-shell, .auth-shell, .landing-nav, .hero, .pricing, .feature-grid, .models-wrap, .site-footer { position: relative; z-index: 1; }

a { color: var(--primary-2); text-decoration: none; }
a:hover { color: #fff; }

h1, h2, h3, h4 { line-height: 1.15; font-weight: 600; letter-spacing: -0.03em; }

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb { background: #1c1f1c; border-radius: 99px; border: 2px solid var(--bg); }
::-webkit-scrollbar-thumb:hover { background: #2a2f2a; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 11px 20px; border-radius: 999px;
  border: 1px solid var(--border-strong);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text); font-size: 14px; font-weight: 500;
  cursor: pointer; transition: all 0.16s ease; font-family: inherit;
  white-space: nowrap;
}
.btn:hover { border-color: var(--primary); color: #fff; transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; transform: none; }
.btn-primary {
  background: var(--primary); border: none; color: #04120b; font-weight: 600;
  box-shadow: 0 0 0 1px rgba(5, 223, 114, 0.4), 0 10px 30px -8px var(--primary-glow);
}
.btn-primary:hover { background: var(--primary-2); color: #04120b; box-shadow: 0 0 0 1px rgba(5, 223, 114, 0.7), 0 14px 40px -8px var(--primary-glow); }
.btn-danger { border-color: rgba(255, 92, 106, 0.35); color: var(--danger); }
.btn-danger:hover { background: rgba(255, 92, 106, 0.1); border-color: var(--danger); color: #fff; }
.btn-sm { padding: 7px 14px; font-size: 13px; }
.btn-block { width: 100%; }

/* ---------- Inputs ---------- */
.input, .select, textarea.input {
  width: 100%; padding: 12px 15px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text); font-size: 14px; font-family: inherit;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.input::placeholder { color: var(--text-faint); }
.input:focus, .select:focus, textarea.input:focus {
  outline: none; border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow); background: rgba(255, 255, 255, 0.03);
}
.select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--text-dim) 50%), linear-gradient(135deg, var(--text-dim) 50%, transparent 50%); background-position: calc(100% - 18px) 50%, calc(100% - 13px) 50%; background-size: 5px 5px, 5px 5px; background-repeat: no-repeat; padding-right: 38px; }
label { display: block; font-size: 12.5px; color: var(--text-dim); margin-bottom: 7px; font-weight: 500; }
.field { margin-bottom: 16px; }
input[type="checkbox"] { accent-color: var(--primary); width: 16px; height: 16px; }

/* ---------- Cards ---------- */
.card {
  background: linear-gradient(180deg, rgba(255,255,255,0.022), rgba(255,255,255,0.008));
  border: 1px solid var(--border);
  border-radius: var(--radius); padding: 24px;
  transition: border-color 0.2s;
}
.card:hover { border-color: var(--border-strong); }
.card-title { font-size: 16px; margin-bottom: 4px; font-weight: 600; }
.card-sub { font-size: 13px; color: var(--text-dim); margin-bottom: 18px; }

/* ---------- Badges ---------- */
.badge {
  display: inline-block; padding: 3px 10px; border-radius: 999px;
  font-size: 11.5px; font-weight: 600; font-family: var(--mono);
  background: rgba(255,255,255,0.04); border: 1px solid var(--border); color: var(--text-dim);
}
.badge-success { color: var(--success); border-color: rgba(5,223,114,0.3); background: rgba(5,223,114,0.08); }
.badge-danger { color: var(--danger); border-color: rgba(255,92,106,0.3); background: rgba(255,92,106,0.08); }
.badge-primary { color: var(--primary-2); border-color: rgba(5,223,114,0.35); background: rgba(5,223,114,0.1); }

/* ---------- Tables ---------- */
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th { text-align: left; padding: 11px 12px; color: var(--text-faint); font-weight: 500; font-size: 11px; text-transform: uppercase; letter-spacing: 0.09em; border-bottom: 1px solid var(--border); font-family: var(--mono); }
td { padding: 13px 12px; border-bottom: 1px solid var(--border); }
tr:last-child td { border-bottom: none; }
tbody tr { transition: background 0.12s; }
tbody tr:hover { background: rgba(5, 223, 114, 0.045); }

/* ---------- Layout: App ---------- */
.app-shell { display: flex; min-height: 100vh; }
.sidebar {
  width: 256px; background: rgba(8, 9, 8, 0.75); backdrop-filter: blur(12px);
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column; padding: 22px 14px;
  position: sticky; top: 0; height: 100vh;
}
.brand { display: flex; align-items: center; gap: 11px; padding: 4px 10px 22px; font-weight: 700; font-size: 17px; letter-spacing: -0.03em; }
.brand-logo {
  width: 34px; height: 34px; border-radius: 10px;
  background: var(--primary); color: #04120b;
  display: grid; place-items: center; font-size: 17px; font-weight: 800;
  box-shadow: 0 0 0 1px rgba(5,223,114,0.5), 0 8px 24px -6px var(--primary-glow);
}
.nav { display: flex; flex-direction: column; gap: 3px; flex: 1; }
.nav-item {
  display: flex; align-items: center; gap: 11px;
  padding: 10px 12px; border-radius: var(--radius-sm);
  color: var(--text-dim); font-size: 14px; font-weight: 500;
  cursor: pointer; transition: all 0.13s; border: 1px solid transparent;
}
.nav-item:hover { background: rgba(255,255,255,0.035); color: var(--text); }
.nav-item.active { background: rgba(5,223,114,0.09); color: #fff; border-color: rgba(5,223,114,0.25); }
.nav-item.active .ico { filter: drop-shadow(0 0 6px var(--primary-glow)); }
.nav-item .ico { font-size: 16px; width: 20px; text-align: center; }

.sidebar-footer { border-top: 1px solid var(--border); padding-top: 14px; }
.credit-pill {
  display: flex; justify-content: space-between; align-items: center;
  background: rgba(255,255,255,0.03); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 11px 13px; margin-bottom: 10px; font-size: 13px;
}
.credit-pill strong { color: var(--primary); font-size: 15px; font-family: var(--mono); }

.main { flex: 1; padding: 32px 38px; max-width: 1240px; margin: 0 auto; width: 100%; }
.page-head { margin-bottom: 26px; }
.page-head h1 { font-size: 26px; }
.page-head p { color: var(--text-dim); font-size: 14px; margin-top: 5px; }

.grid { display: grid; gap: 18px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }

.stat {
  background: linear-gradient(180deg, rgba(255,255,255,0.025), rgba(255,255,255,0.008));
  border: 1px solid var(--border); border-radius: var(--radius); padding: 18px 20px;
  transition: border-color 0.2s, transform 0.2s;
}
.stat:hover { border-color: var(--border-strong); transform: translateY(-2px); }
.stat .label { font-size: 11px; color: var(--text-faint); text-transform: uppercase; letter-spacing: 0.08em; font-family: var(--mono); }
.stat .value { font-size: 27px; font-weight: 600; margin-top: 7px; letter-spacing: -0.03em; }

.section { display: none; }
.section.active { display: block; animation: fadeUp 0.35s ease; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(8px); } }

/* ---------- Chat ---------- */
.chat-wrap { display: flex; flex-direction: column; height: calc(100vh - 130px); background: rgba(255,255,255,0.015); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.chat-top { display: flex; gap: 12px; align-items: center; padding: 14px 18px; border-bottom: 1px solid var(--border); background: rgba(0,0,0,0.25); }
.chat-top .select { max-width: 320px; }
.chat-messages { flex: 1; overflow-y: auto; padding: 24px; display: flex; flex-direction: column; gap: 16px; }
.msg { display: flex; gap: 12px; max-width: 88%; }
.msg.user { align-self: flex-end; flex-direction: row-reverse; }
.msg .avatar { width: 32px; height: 32px; border-radius: 9px; flex-shrink: 0; display: grid; place-items: center; font-size: 13px; font-weight: 600; }
.msg.user .avatar { background: var(--primary); color: #04120b; }
.msg.assistant .avatar { background: var(--surface-2); border: 1px solid var(--border); color: var(--primary); }
.msg .bubble { background: var(--surface-2); border: 1px solid var(--border); padding: 12px 16px; border-radius: 14px; font-size: 14.5px; white-space: pre-wrap; word-break: break-word; }
.msg.user .bubble { background: rgba(5,223,114,0.12); border-color: rgba(5,223,114,0.3); color: #fff; }
.chat-input-row { display: flex; gap: 10px; padding: 14px 18px; border-top: 1px solid var(--border); background: rgba(0,0,0,0.25); }
.chat-input-row textarea { flex: 1; resize: none; max-height: 160px; }
.typing { color: var(--primary); font-size: 13px; font-family: var(--mono); }
.typing::after { content: "▋"; animation: blink 1s steps(1) infinite; margin-left: 2px; }
@keyframes blink { 50% { opacity: 0; } }

/* ---------- Auth pages ---------- */
.auth-shell { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.auth-card { width: 100%; max-width: 410px; background: rgba(10,11,10,0.72); backdrop-filter: blur(14px); border: 1px solid var(--border); border-radius: 20px; padding: 34px; box-shadow: var(--shadow); }
.auth-card .brand { justify-content: center; padding-bottom: 22px; }
.auth-card h1 { font-size: 23px; text-align: center; margin-bottom: 4px; }
.auth-card .sub { text-align: center; color: var(--text-dim); font-size: 14px; margin-bottom: 24px; }
.auth-alt { text-align: center; margin-top: 18px; font-size: 14px; color: var(--text-dim); }

/* ---------- Landing ---------- */
.landing-nav { display: flex; justify-content: space-between; align-items: center; padding: 20px 40px; max-width: 1180px; margin: 0 auto; }
.landing-nav .brand { padding: 0; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; font-family: var(--mono); font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--primary); border: 1px solid rgba(5,223,114,0.3); background: rgba(5,223,114,0.06); padding: 6px 14px; border-radius: 999px; margin-bottom: 22px; }
.eyebrow::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--primary); box-shadow: 0 0 10px var(--primary); }
.hero { text-align: center; padding: 80px 24px 64px; max-width: 920px; margin: 0 auto; }
.hero h1 { font-size: 58px; margin-bottom: 20px; font-weight: 600; }
.hero h1 .grad { background: linear-gradient(120deg, var(--primary), var(--primary-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p { font-size: 18px; color: var(--text-dim); max-width: 640px; margin: 0 auto 32px; }
.hero-cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.pricing { max-width: 1100px; margin: 0 auto; padding: 40px 24px 80px; }
.pricing h2 { text-align: center; font-size: 34px; margin-bottom: 8px; }
.pricing .sub { text-align: center; color: var(--text-dim); margin-bottom: 40px; }
.price-card {
  background: linear-gradient(180deg, rgba(255,255,255,0.025), rgba(255,255,255,0.006));
  border: 1px solid var(--border); border-radius: 20px; padding: 30px;
  display: flex; flex-direction: column; transition: transform 0.2s, border-color 0.2s;
}
.price-card:hover { transform: translateY(-3px); border-color: var(--border-strong); }
.price-card.featured { border-color: rgba(5,223,114,0.5); box-shadow: 0 0 0 1px rgba(5,223,114,0.25), 0 24px 60px -20px var(--primary-glow); position: relative; }
.price-card .price { font-size: 40px; font-weight: 600; margin: 12px 0; letter-spacing: -0.04em; }
.price-card .price span { font-size: 15px; color: var(--text-dim); font-weight: 400; }
.price-card ul { list-style: none; margin: 18px 0 24px; flex: 1; }
.price-card li { padding: 7px 0; color: var(--text-dim); font-size: 14px; }
.price-card li::before { content: "▹"; color: var(--primary); font-weight: 700; margin-right: 9px; }
.feature-grid { max-width: 1100px; margin: 0 auto; padding: 20px 24px 64px; }
.feature { background: rgba(255,255,255,0.015); border: 1px solid var(--border); border-radius: var(--radius); padding: 26px; transition: border-color 0.2s, transform 0.2s; }
.feature:hover { border-color: rgba(5,223,114,0.3); transform: translateY(-3px); }
.feature .ico { font-size: 26px; margin-bottom: 14px; }
.feature h3 { font-size: 17px; margin-bottom: 7px; }
.feature p { color: var(--text-dim); font-size: 14px; }
.site-footer { text-align: center; padding: 44px 24px; color: var(--text-faint); font-size: 13px; border-top: 1px solid var(--border); }
.site-footer a { color: var(--text-dim); }

/* ---------- Utilities ---------- */
.row { display: flex; gap: 12px; align-items: center; }
.between { justify-content: space-between; }
.wrap { flex-wrap: wrap; }
.mt { margin-top: 16px; }
.mb { margin-bottom: 16px; }
.muted { color: var(--text-dim); }
.faint { color: var(--text-faint); font-size: 13px; }
.mono { font-family: var(--mono); font-size: 13px; }
.hidden { display: none !important; }
.center { text-align: center; }
.spinner { width: 18px; height: 18px; border: 2px solid var(--border); border-top-color: var(--primary); border-radius: 50%; animation: spin 0.7s linear infinite; display: inline-block; }
@keyframes spin { to { transform: rotate(360deg); } }

.toast-wrap { position: fixed; top: 20px; right: 20px; z-index: 9999; display: flex; flex-direction: column; gap: 10px; }
.toast { background: rgba(14,16,14,0.95); backdrop-filter: blur(10px); border: 1px solid var(--border); border-left: 2px solid var(--primary); border-radius: var(--radius-sm); padding: 13px 18px; font-size: 14px; box-shadow: var(--shadow); animation: slideIn 0.22s ease; }
.toast.success { border-left-color: var(--success); }
.toast.error { border-left-color: var(--danger); }
@keyframes slideIn { from { transform: translateX(30px); opacity: 0; } }

.modal-backdrop { position: fixed; inset: 0; background: rgba(0,0,0,0.7); backdrop-filter: blur(4px); display: grid; place-items: center; z-index: 1000; padding: 20px; animation: fadeUp 0.2s ease; }
.modal { background: #0c0e0c; border: 1px solid var(--border-strong); border-radius: 18px; padding: 28px; width: 100%; max-width: 470px; box-shadow: var(--shadow); }

.key-reveal { background: rgba(5,223,114,0.05); border: 1px dashed rgba(5,223,114,0.4); border-radius: var(--radius-sm); padding: 15px; font-family: var(--mono); font-size: 13px; word-break: break-all; margin: 14px 0; color: var(--primary-2); }

/* ---------- Modelle-Seite ---------- */
.models-wrap { max-width: 1200px; margin: 0 auto; padding: 20px 24px 80px; }
.models-toolbar { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; margin: 18px 0 24px; }
.models-toolbar .input { flex: 1; min-width: 220px; }
.models-toolbar .select { min-width: 170px; }
.model-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(330px, 1fr)); gap: 16px; }
.model-card {
  background: linear-gradient(180deg, rgba(255,255,255,0.022), rgba(255,255,255,0.006));
  border: 1px solid var(--border); border-radius: var(--radius); padding: 20px;
  display: flex; flex-direction: column; gap: 13px;
  transition: border-color 0.18s, transform 0.18s, box-shadow 0.18s;
}
.model-card:hover { border-color: rgba(5,223,114,0.4); transform: translateY(-3px); box-shadow: 0 18px 46px -22px var(--primary-glow); }
.model-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 10px; }
.model-head h3 { font-size: 16px; line-height: 1.3; }
.model-id { font-family: var(--mono); font-size: 11.5px; color: var(--text-faint); word-break: break-all; }
.model-desc { color: var(--text-dim); font-size: 13.5px; line-height: 1.55; flex: 1; display: -webkit-box; -webkit-line-clamp: 4; -webkit-box-orient: vertical; overflow: hidden; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { font-size: 11px; padding: 3px 10px; border-radius: 999px; background: rgba(255,255,255,0.04); border: 1px solid var(--border); color: var(--text-dim); font-family: var(--mono); }
.chip.os { color: var(--primary); border-color: rgba(5,223,114,0.3); background: rgba(5,223,114,0.07); }
.model-price { display: flex; gap: 20px; border-top: 1px solid var(--border); padding-top: 13px; }
.model-price > div { display: flex; flex-direction: column; }
.model-price .lbl { font-size: 10.5px; color: var(--text-faint); text-transform: uppercase; letter-spacing: 0.08em; font-family: var(--mono); }
.model-price .val { font-size: 15px; font-weight: 600; }
.model-price .val span { font-size: 11px; font-weight: 400; color: var(--text-faint); }
.models-count { color: var(--text-faint); font-size: 13px; font-family: var(--mono); }
.pager { display: flex; gap: 8px; justify-content: center; align-items: center; margin-top: 28px; }
.lang-toggle { display: inline-flex; border: 1px solid var(--border); border-radius: 999px; overflow: hidden; margin: 10px 0; }
.lang-toggle button { background: transparent; border: none; color: var(--text-dim); padding: 5px 13px; font-size: 12px; font-weight: 600; cursor: pointer; font-family: var(--mono); transition: all 0.14s; }
.lang-toggle button.active { background: var(--primary); color: #04120b; }
.progress { height: 7px; background: rgba(255,255,255,0.06); border-radius: 999px; overflow: hidden; margin: 12px 0; }
.progress-bar { height: 100%; background: linear-gradient(90deg, var(--primary-2), var(--primary)); border-radius: 999px; transition: width .3s ease; box-shadow: 0 0 12px var(--primary-glow); }

/* ---------- Pricing (Landing) ---------- */
.pricing-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; align-items: start; }
@media (max-width: 900px) { .pricing-grid { grid-template-columns: 1fr; } }
.pricing-col { display: flex; flex-direction: column; gap: 16px; }
.pricing-col-head { display: flex; flex-direction: column; align-items: flex-start; gap: 9px; margin-bottom: 2px; }
.pricing-col-head h3 { font-size: 20px; }
.plans-stack { display: flex; flex-direction: column; gap: 16px; }
.api-price-card { padding: 22px; }
.api-price-table th, .api-price-table td { padding: 10px 8px; }
.api-price-table .right { text-align: right; font-family: var(--mono); }
.api-price-table td.mono { font-size: 12.5px; color: var(--text); }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .app-shell { flex-direction: column; }
  .sidebar { width: 100%; height: auto; position: relative; flex-direction: column; }
  .nav { flex-direction: row; flex-wrap: wrap; }
  .main { padding: 22px 18px; }
  .hero h1 { font-size: 38px; }
  .landing-nav { padding: 16px 20px; }
}