/* URCO website. Colors are tokens so light and dark mode stay in step. */

:root {
  --bg: #f7f7f5;
  --surface: #ffffff;
  --surface-2: #f0f0ed;
  --border: #e3e2dd;
  --text: #1b1b19;
  --muted: #67665f;
  --faint: #9a9993;
  --accent: #1d5fd6;
  --accent-hover: #174fb4;
  --accent-ink: #ffffff;
  --accent-soft: #e6eefc;
  --danger: #b4321f;
  --danger-soft: #fbeae6;
  --ok: #1f7a4d;
  --code-bg: #f2f1ee;
  --shadow: 0 1px 2px rgba(20, 20, 18, 0.04), 0 8px 24px rgba(20, 20, 18, 0.06);
  --radius: 14px;
  --radius-sm: 9px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "Cascadia Code", "SF Mono", Menlo, Consolas, monospace;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0f1012;
    --surface: #17181b;
    --surface-2: #1f2024;
    --border: #2b2d32;
    --text: #ececea;
    --muted: #a3a29c;
    --faint: #6f6e69;
    --accent: #5b93ff;
    --accent-hover: #79a7ff;
    --accent-ink: #0b1220;
    --accent-soft: #19243a;
    --danger: #f08470;
    --danger-soft: #3a1d17;
    --ok: #5cc58f;
    --code-bg: #1b1c20;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 8px 24px rgba(0, 0, 0, 0.25);
    color-scheme: dark;
  }
}

:root[data-theme="dark"] {
  --bg: #0f1012;
  --surface: #17181b;
  --surface-2: #1f2024;
  --border: #2b2d32;
  --text: #ececea;
  --muted: #a3a29c;
  --faint: #6f6e69;
  --accent: #5b93ff;
  --accent-hover: #79a7ff;
  --accent-ink: #0b1220;
  --accent-soft: #19243a;
  --danger: #f08470;
  --danger-soft: #3a1d17;
  --ok: #5cc58f;
  --code-bg: #1b1c20;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 8px 24px rgba(0, 0, 0, 0.25);
  color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font: 15px/1.6 var(--font);
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; display: block; }
code, pre { font-family: var(--mono); font-size: 13.5px; }
.hidden { display: none !important; }
.muted { color: var(--muted); }

/* Buttons and fields */

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 40px; padding: 0 18px; border-radius: 999px;
  border: 1px solid var(--border); background: var(--surface); color: var(--text);
  font: 600 14px var(--font); cursor: pointer; text-decoration: none; white-space: nowrap;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}
.btn:hover { background: var(--surface-2); text-decoration: none; }
.btn:disabled { opacity: 0.55; cursor: default; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
.btn-danger { color: var(--danger); }
.btn-danger:hover { background: var(--danger-soft); }
.btn-sm { height: 32px; padding: 0 12px; font-size: 13px; }
.btn-ghost { border-color: transparent; background: transparent; }
.btn-ghost:hover { background: var(--surface-2); }

.field { display: block; margin-bottom: 14px; }
.field span { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; }
.input {
  width: 100%; height: 42px; padding: 0 14px;
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  background: var(--surface); color: var(--text); font: 15px var(--font);
  outline: none; transition: border-color 0.15s, box-shadow 0.15s;
}
.input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
select.input { padding-right: 32px; }

.error { color: var(--danger); font-size: 13.5px; min-height: 20px; margin: 4px 0 10px; }
.notice {
  padding: 12px 16px; border-radius: var(--radius-sm);
  background: var(--accent-soft); color: var(--text); font-size: 14px;
}
.notice.warn { background: var(--danger-soft); }

/* Logo */

.logo { display: inline-flex; align-items: center; gap: 10px; font-weight: 750; font-size: 17px; letter-spacing: 0.02em; color: var(--text); }
.logo:hover { text-decoration: none; }
.logo-mark {
  width: 30px; height: 30px; border-radius: 9px; display: grid; place-items: center;
  background: var(--text); color: var(--bg);
}
.logo-mark svg { width: 17px; height: 17px; }

/* ---------- Landing page ---------- */

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 24px; }

.site-header {
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.site-header .wrap { display: flex; align-items: center; height: 64px; gap: 24px; }
.site-nav { display: flex; gap: 22px; margin-left: 12px; }
.site-nav a { color: var(--muted); font-size: 14px; font-weight: 500; }
.site-nav a:hover { color: var(--text); text-decoration: none; }
.header-actions { margin-left: auto; display: flex; gap: 10px; align-items: center; }

.hero { padding: 72px 0 56px; }
.hero .wrap { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 48px; align-items: center; }
.eyebrow {
  display: inline-block; padding: 5px 12px; border-radius: 999px;
  background: var(--accent-soft); color: var(--accent); font-size: 13px; font-weight: 600; margin-bottom: 18px;
}
.hero h1 { font-size: clamp(36px, 5.4vw, 58px); line-height: 1.05; letter-spacing: -0.025em; margin: 0 0 18px; }
.hero p.lead { font-size: 18px; color: var(--muted); max-width: 520px; margin: 0 0 28px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-actions .btn { height: 46px; padding: 0 22px; font-size: 15px; }
.hero-art {
  position: relative; border-radius: 28px; padding: 28px;
  background: radial-gradient(circle at 30% 20%, var(--accent-soft), transparent 70%), var(--surface);
  border: 1px solid var(--border); box-shadow: var(--shadow);
}
.hero-art img { width: 100%; max-width: 380px; margin: 0 auto; }

.section { padding: 64px 0; border-top: 1px solid var(--border); }
.section h2 { font-size: 30px; letter-spacing: -0.02em; margin: 0 0 10px; }
.section > .wrap > p.sub { color: var(--muted); margin: 0 0 34px; max-width: 620px; font-size: 16px; }

.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 22px;
}
.card h3 { margin: 0 0 8px; font-size: 16px; }
.card p { margin: 0; color: var(--muted); font-size: 14.5px; }
.card .icon {
  width: 36px; height: 36px; border-radius: 10px; display: grid; place-items: center;
  background: var(--accent-soft); color: var(--accent); margin-bottom: 14px;
}
.card .icon svg { width: 19px; height: 19px; }

.limit-card .big { font-size: 30px; font-weight: 750; letter-spacing: -0.02em; margin: 6px 0 2px; }
.limit-card ul { margin: 14px 0 0; padding-left: 18px; color: var(--muted); font-size: 14.5px; }
.limit-card li { margin: 4px 0; }

.code-block {
  position: relative; background: var(--code-bg); border: 1px solid var(--border);
  border-radius: var(--radius-sm); overflow: hidden;
}
.code-block .code-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 6px 8px 6px 14px; border-bottom: 1px solid var(--border);
  font-size: 12px; color: var(--muted); font-family: var(--mono);
}
.code-block pre { margin: 0; padding: 14px; overflow-x: auto; line-height: 1.55; }

.site-footer { border-top: 1px solid var(--border); padding: 28px 0; color: var(--faint); font-size: 13.5px; }
.site-footer .wrap { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

@media (max-width: 860px) {
  .hero .wrap { grid-template-columns: 1fr; }
  .hero-art { max-width: 380px; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .site-nav { display: none; }
}
@media (max-width: 560px) {
  .wrap { padding: 0 16px; }
  .grid-4, .grid-2 { grid-template-columns: 1fr; }
  .hero { padding: 40px 0 36px; }
  .header-actions .btn-ghost { display: none; }
}

/* ---------- App: sign in ---------- */

.auth-screen { min-height: 100vh; display: grid; place-items: center; padding: 24px 16px; }
.auth-card {
  width: 100%; max-width: 400px; background: var(--surface); border: 1px solid var(--border);
  border-radius: 20px; padding: 32px; box-shadow: var(--shadow);
}
.auth-card .logo { margin-bottom: 22px; }
.auth-card h1 { font-size: 24px; margin: 0 0 6px; letter-spacing: -0.01em; }
.auth-card p.muted { margin: 0 0 22px; font-size: 14px; }
.tabs { display: flex; gap: 4px; padding: 4px; background: var(--surface-2); border-radius: 999px; margin-bottom: 22px; }
.tab {
  flex: 1; height: 34px; border: 0; border-radius: 999px; background: transparent;
  color: var(--muted); font: 600 14px var(--font); cursor: pointer;
}
.tab.active { background: var(--surface); color: var(--text); box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08); }
.auth-card .btn-primary { width: 100%; height: 44px; }
.auth-foot { margin-top: 18px; font-size: 13px; color: var(--faint); text-align: center; }

/* ---------- App: shell ---------- */

.app { display: grid; grid-template-columns: 268px 1fr; height: 100vh; }
.sidebar {
  display: flex; flex-direction: column; min-height: 0;
  background: var(--surface); border-right: 1px solid var(--border); padding: 16px 12px;
}
.sidebar .logo { padding: 4px 8px 14px; }
.side-nav { display: flex; flex-direction: column; gap: 2px; }
.side-link {
  display: flex; align-items: center; gap: 10px; width: 100%; padding: 9px 10px;
  border: 0; border-radius: var(--radius-sm); background: transparent; color: var(--text);
  font: 500 14px var(--font); cursor: pointer; text-align: left;
}
.side-link svg { width: 17px; height: 17px; color: var(--muted); flex: none; }
.side-link:hover { background: var(--surface-2); }
.side-link.active { background: var(--accent-soft); color: var(--accent); }
.side-link.active svg { color: var(--accent); }
.side-label { font-size: 12px; font-weight: 600; color: var(--faint); padding: 18px 10px 6px; }
.chat-list { flex: 1; overflow-y: auto; min-height: 0; display: flex; flex-direction: column; gap: 1px; }
.chat-item {
  display: flex; align-items: center; gap: 6px; padding: 7px 10px; border-radius: var(--radius-sm);
  font-size: 13.5px; color: var(--muted); cursor: pointer; border: 0; background: transparent; text-align: left; width: 100%;
}
.chat-item span { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.chat-item:hover { background: var(--surface-2); color: var(--text); }
.chat-item.active { background: var(--surface-2); color: var(--text); }
.chat-item .del { opacity: 0; color: var(--faint); font-size: 16px; line-height: 1; padding: 0 2px; }
.chat-item:hover .del { opacity: 1; }
.chat-item .del:hover { color: var(--danger); }

.side-foot { border-top: 1px solid var(--border); padding-top: 12px; margin-top: 8px; }
.usage { padding: 0 8px 12px; font-size: 12.5px; color: var(--muted); }
.usage-row { display: flex; justify-content: space-between; margin-bottom: 6px; }
.meter { height: 5px; border-radius: 99px; background: var(--surface-2); overflow: hidden; }
.meter > div { height: 100%; width: 0; background: var(--accent); border-radius: 99px; transition: width 0.3s; }
.user-row { display: flex; align-items: center; gap: 10px; padding: 4px 8px; }
.avatar {
  width: 32px; height: 32px; border-radius: 50%; display: grid; place-items: center; flex: none;
  background: var(--accent-soft); color: var(--accent); font-weight: 700; font-size: 14px;
}
.user-info { flex: 1; min-width: 0; }
.user-name { font-weight: 600; font-size: 14px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.user-role { font-size: 12px; color: var(--faint); }
.icon-btn {
  width: 34px; height: 34px; display: grid; place-items: center; border-radius: var(--radius-sm);
  border: 0; background: transparent; color: var(--muted); cursor: pointer;
}
.icon-btn:hover { background: var(--surface-2); color: var(--text); }
.icon-btn svg { width: 18px; height: 18px; }

.main { display: flex; flex-direction: column; min-width: 0; min-height: 0; }
.topbar {
  display: flex; align-items: center; gap: 10px; height: 58px; padding: 0 20px; flex: none;
  border-bottom: 1px solid var(--border);
}
.topbar h2 { font-size: 15px; margin: 0; font-weight: 600; }
.topbar .spacer { flex: 1; }
.menu-btn { display: none; }
.model-select { width: auto; height: 34px; font-size: 13.5px; border-radius: 999px; padding: 0 30px 0 14px; }

.offline {
  margin: 12px 20px 0; padding: 10px 14px; border-radius: var(--radius-sm);
  background: var(--danger-soft); color: var(--text); font-size: 13.5px;
}

/* ---------- App: chat ---------- */

.view { flex: 1; min-height: 0; display: flex; flex-direction: column; }
.messages { flex: 1; overflow-y: auto; padding: 24px 20px 12px; }
.thread { max-width: 760px; margin: 0 auto; }
.empty { max-width: 560px; margin: 8vh auto 0; text-align: center; }
.empty img { width: 132px; margin: 0 auto 14px; }
.empty h3 { font-size: 26px; margin: 0 0 8px; letter-spacing: -0.015em; }
.empty p { color: var(--muted); margin: 0 0 24px; }
.suggestions { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; text-align: left; }
.suggestion {
  padding: 12px 14px; border: 1px solid var(--border); border-radius: var(--radius-sm);
  background: var(--surface); color: var(--text); font: 14px var(--font); cursor: pointer; text-align: left;
}
.suggestion:hover { border-color: var(--accent); }
.suggestion small { display: block; color: var(--faint); font-size: 12.5px; margin-top: 2px; }

.msg { margin: 0 0 22px; }
.msg.user { display: flex; justify-content: flex-end; }
.msg.user .bubble {
  background: var(--surface-2); padding: 10px 16px; border-radius: 18px 18px 4px 18px;
  max-width: 80%; white-space: pre-wrap; word-wrap: break-word;
}
.msg.bot .bubble { word-wrap: break-word; }
.msg.bot .bubble p { margin: 0 0 12px; }
.msg.bot .bubble p:last-child { margin-bottom: 0; }
.msg.bot .bubble ul, .msg.bot .bubble ol { margin: 0 0 12px; padding-left: 22px; }
.msg.bot .bubble h4 { margin: 16px 0 8px; font-size: 16px; }
.msg.bot .bubble .code-block { margin: 0 0 12px; }
.msg.bot .bubble code.inline { background: var(--code-bg); border: 1px solid var(--border); padding: 1px 5px; border-radius: 5px; font-size: 13px; }
.msg.bot.error-msg .bubble { color: var(--danger); }
.msg-tools { margin-top: 6px; display: flex; gap: 4px; }
.msg-tools .btn { height: 28px; padding: 0 10px; font-size: 12.5px; color: var(--muted); }
.thinking { color: var(--muted); font-size: 14px; animation: pulse 1.6s ease-in-out infinite; }
@keyframes pulse { 0%, 100% { opacity: 0.4; } 50% { opacity: 1; } }

.composer-wrap { padding: 8px 20px 18px; flex: none; }
.composer {
  max-width: 760px; margin: 0 auto; display: flex; flex-direction: column; gap: 6px;
  background: var(--surface); border: 1px solid var(--border); border-radius: 22px; padding: 8px;
  box-shadow: var(--shadow); transition: border-color 0.15s;
}
.composer:focus-within { border-color: var(--accent); }
.composer-row { display: flex; align-items: flex-end; gap: 2px; }
.composer textarea {
  flex: 1; border: 0; outline: none; resize: none; background: transparent; color: var(--text);
  font: 15px/1.5 var(--font); padding: 7px 8px; max-height: 200px; min-height: 24px; min-width: 0;
}
.composer-row .icon-btn { width: 38px; height: 38px; border-radius: 50%; flex: none; }
.mic-btn.recording { background: var(--danger-soft); color: var(--danger); animation: pulse 1.2s ease-in-out infinite; }
.mic-btn.working { color: var(--accent); animation: pulse 1.2s ease-in-out infinite; }

.chips { display: flex; flex-wrap: wrap; gap: 6px; padding: 2px 4px 0; }
.chip {
  display: inline-flex; align-items: center; gap: 6px; max-width: 100%;
  padding: 5px 6px 5px 10px; border-radius: 999px; background: var(--surface-2);
  font-size: 13px; color: var(--text);
}
.chip span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.chip button {
  border: 0; background: transparent; color: var(--faint); cursor: pointer;
  font-size: 15px; line-height: 1; padding: 0 3px;
}
.chip button:hover { color: var(--danger); }
.msg.user .msg-files { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 6px; margin-top: 6px; }
.msg.user { flex-direction: column; align-items: flex-end; }
.send-btn {
  width: 38px; height: 38px; border-radius: 50%; border: 0; flex: none; cursor: pointer;
  display: grid; place-items: center; background: var(--accent); color: var(--accent-ink);
}
.send-btn:disabled { background: var(--surface-2); color: var(--faint); cursor: default; }
.send-btn svg { width: 18px; height: 18px; }
.composer-note { max-width: 760px; margin: 8px auto 0; text-align: center; font-size: 12px; color: var(--faint); }

/* ---------- App: keys and docs ---------- */

.page { flex: 1; overflow-y: auto; padding: 28px 20px 40px; }
.page-inner { max-width: 820px; margin: 0 auto; }
.page h1 { font-size: 26px; margin: 0 0 6px; letter-spacing: -0.015em; }
.page h2.sub-head { font-size: 17px; margin: 32px 0 12px; }
.page p.lead { color: var(--muted); margin: 0 0 24px; }
.stat-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 24px; }
.stat { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px 18px; }
.stat .label { font-size: 12.5px; color: var(--muted); }
.stat .value { font-size: 22px; font-weight: 700; margin-top: 2px; letter-spacing: -0.01em; }

.create-key { display: flex; gap: 10px; margin-bottom: 8px; }
.create-key .input { flex: 1; }
.new-key {
  border: 1px solid var(--accent); background: var(--accent-soft); border-radius: var(--radius);
  padding: 16px 18px; margin: 16px 0;
}
.new-key strong { display: block; margin-bottom: 4px; }
.new-key p { margin: 0 0 12px; font-size: 13.5px; color: var(--muted); }
.key-value { display: flex; gap: 8px; align-items: center; }
.key-value code {
  flex: 1; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: 9px 12px; overflow-x: auto; white-space: nowrap;
}

.key-list { display: flex; flex-direction: column; gap: 10px; margin-top: 16px; }
.key-item {
  display: grid; grid-template-columns: 1fr auto; gap: 6px 16px; align-items: center;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 18px;
}
.key-name { font-weight: 600; }
.key-meta { font-size: 12.5px; color: var(--muted); font-family: var(--mono); }
.key-usage { grid-column: 1 / -1; font-size: 12.5px; color: var(--muted); }
.key-usage .meter { margin-top: 6px; }
.key-empty { padding: 28px; text-align: center; color: var(--muted); border: 1px dashed var(--border); border-radius: var(--radius); }


@media (max-width: 820px) {
  .app { grid-template-columns: 1fr; }
  .sidebar {
    position: fixed; inset: 0 auto 0 0; width: 280px; z-index: 30;
    transform: translateX(-100%); transition: transform 0.2s; box-shadow: var(--shadow);
  }
  .sidebar.open { transform: none; }
  .scrim { position: fixed; inset: 0; background: rgba(0, 0, 0, 0.35); z-index: 20; }
  .menu-btn { display: grid; }
  .topbar { padding: 0 12px; }
  .messages { padding: 18px 16px 8px; }
  .composer-wrap { padding: 8px 12px 14px; }
  .suggestions { grid-template-columns: 1fr; }
  .stat-row { grid-template-columns: 1fr; }
  .page { padding: 22px 16px 32px; }
  .create-key { flex-direction: column; }
}