/* Grape Elevate — global styles
   Design tokens via CSS custom properties; light/dark/density toggled by [data-theme] / [data-density] on <html>.
*/

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, Segoe UI, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, monospace;

  /* Brand palette — shared light/dark */
  --grape: #8B5CF6;
  --grape-soft: #C4B5FD;
  --cyan: #06B6D4;
  --cyan-soft: #67E8F9;
  --coral: #FB7185;
  --coral-soft: #FDA4AF;
  --sun: #F59E0B;
  --green: #10B981;

  /* Density */
  --pad-xs: 6px; --pad-sm: 10px; --pad-md: 14px; --pad-lg: 20px; --pad-xl: 28px;
  --row-h: 56px;
  --radius-sm: 8px; --radius: 14px; --radius-lg: 20px; --radius-xl: 28px;
}

html[data-density="compact"]  { --pad-xs: 4px; --pad-sm: 7px;  --pad-md: 10px; --pad-lg: 14px; --pad-xl: 20px; --row-h: 44px; }
html[data-density="comfy"]    { --pad-xs: 8px; --pad-sm: 12px; --pad-md: 18px; --pad-lg: 26px; --pad-xl: 36px; --row-h: 68px; }

/* Light theme */
html[data-theme="light"] {
  --bg: #F6F4FB;
  --bg-grad-1: oklch(0.97 0.02 290);
  --bg-grad-2: oklch(0.97 0.02 200);
  --surface: #FFFFFF;
  --surface-2: #FAFAFE;
  --surface-3: #F0EEF7;
  --line: #E8E5EF;
  --line-strong: #D8D2E6;
  --text: #1A1530;
  --text-soft: #4A4264;
  --text-mute: #8A8298;
  --shadow-card: 0 1px 0 rgba(255,255,255,.6) inset, 0 1px 2px rgba(20,18,40,.04), 0 6px 24px -8px rgba(60,40,120,.10);
  --shadow-pop: 0 1px 0 rgba(255,255,255,.7) inset, 0 12px 36px -8px rgba(60,40,120,.22);
}

/* Dark theme */
html[data-theme="dark"] {
  --bg: #0B0C1A;
  --bg-grad-1: oklch(0.18 0.04 290);
  --bg-grad-2: oklch(0.18 0.04 220);
  --surface: #14152A;
  --surface-2: #1B1D38;
  --surface-3: #232645;
  --line: #2A2D4A;
  --line-strong: #3A3D5E;
  --text: #ECECF6;
  --text-soft: #B6B5CE;
  --text-mute: #7F7E99;
  --shadow-card: 0 1px 0 rgba(255,255,255,.04) inset, 0 6px 24px -8px rgba(0,0,0,.5);
  --shadow-pop: 0 1px 0 rgba(255,255,255,.06) inset, 0 16px 40px -8px rgba(0,0,0,.6);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font-sans);
  background:
    radial-gradient(1200px 600px at 100% -10%, color-mix(in oklch, var(--grape) 14%, transparent), transparent 60%),
    radial-gradient(900px 500px at -10% 110%, color-mix(in oklch, var(--cyan) 12%, transparent), transparent 60%),
    var(--bg);
  color: var(--text);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

button { font-family: inherit; font-size: inherit; }

/* App shell layout */
.app {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: 100vh;
}
html[data-density="compact"] .app { grid-template-columns: 232px 1fr; }
html[data-density="comfy"]   .app { grid-template-columns: 280px 1fr; }

/* Sidebar */
.side {
  position: sticky; top: 0;
  height: 100vh;
  padding: var(--pad-lg);
  display: flex; flex-direction: column;
  gap: var(--pad-md);
  border-right: 1px solid var(--line);
  background: color-mix(in oklch, var(--surface) 60%, transparent);
  backdrop-filter: blur(12px);
}
.brand {
  display: flex; align-items: center; gap: 10px;
  padding: 4px 6px 8px;
}
.brand-name { font-weight: 800; font-size: 18px; letter-spacing: -0.02em; }
.brand-tag { font-size: 11px; color: var(--text-mute); letter-spacing: 0.04em; text-transform: uppercase; }

.nav { display: flex; flex-direction: column; gap: 2px; flex: 1; }
.nav-item {
  display: flex; align-items: center; gap: 12px;
  padding: var(--pad-sm) var(--pad-md);
  border-radius: 10px;
  color: var(--text-soft);
  cursor: pointer;
  font-weight: 500;
  font-size: 14px;
  background: transparent;
  border: 0;
  text-align: left;
  width: 100%;
  transition: background 120ms, color 120ms, transform 120ms;
}
.nav-item:hover { background: var(--surface-2); color: var(--text); }
.nav-item.active {
  background: linear-gradient(135deg, color-mix(in oklch, var(--grape) 18%, transparent), color-mix(in oklch, var(--cyan) 14%, transparent));
  color: var(--text);
  box-shadow: inset 0 0 0 1px color-mix(in oklch, var(--grape) 22%, transparent);
}
.nav-item .badge {
  margin-left: auto;
  font-size: 11px;
  padding: 2px 7px;
  background: var(--coral);
  color: #fff;
  border-radius: 999px;
  font-weight: 700;
}

.upgrade-card {
  margin-top: auto;
  padding: 14px;
  border-radius: var(--radius);
  background:
    radial-gradient(120% 90% at 0% 0%, color-mix(in oklch, var(--grape) 35%, transparent), transparent 60%),
    radial-gradient(120% 90% at 100% 100%, color-mix(in oklch, var(--cyan) 30%, transparent), transparent 55%),
    var(--surface-2);
  border: 1px solid var(--line);
  position: relative; overflow: hidden;
}
.upgrade-card h4 { margin: 0 0 4px; font-size: 14px; font-weight: 700; }
.upgrade-card p { margin: 0 0 10px; font-size: 12px; color: var(--text-soft); line-height: 1.45; }
.upgrade-card .deco {
  position: absolute; right: -14px; top: -14px;
  width: 60px; height: 60px; border-radius: 50%;
  background: var(--coral); opacity: .55; filter: blur(8px);
}

/* Main column */
.main { min-width: 0; padding: var(--pad-xl); display: flex; flex-direction: column; gap: var(--pad-lg); }
html[data-density="compact"] .main { padding: var(--pad-lg); }

.page-head { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--pad-md); }
.page-title { font-size: 28px; font-weight: 800; letter-spacing: -0.022em; margin: 0; }
html[data-density="compact"] .page-title { font-size: 22px; }
.page-sub { color: var(--text-soft); font-size: 14px; margin: 4px 0 0; max-width: 64ch; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 14px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
  font-weight: 600; font-size: 13px;
  cursor: pointer;
  transition: background 120ms, transform 80ms, border-color 120ms;
}
.btn:hover { background: var(--surface-2); border-color: var(--line-strong); }
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: linear-gradient(135deg, var(--grape), color-mix(in oklch, var(--grape) 60%, var(--cyan)));
  color: #fff;
  border: 0;
  box-shadow: 0 6px 18px -6px color-mix(in oklch, var(--grape) 70%, transparent);
}
.btn-primary:hover { filter: brightness(1.06); background: linear-gradient(135deg, var(--grape), color-mix(in oklch, var(--grape) 60%, var(--cyan))); }
.btn-ghost { background: transparent; border-color: transparent; color: var(--text-soft); }
.btn-ghost:hover { background: var(--surface-2); color: var(--text); }
.btn-icon { padding: 8px; }
.btn-sm { padding: 6px 10px; font-size: 12px; }

/* Cards */
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: var(--pad-lg);
  box-shadow: var(--shadow-card);
}

/* Inputs */
.input {
  height: 38px; padding: 0 12px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
  font-family: inherit; font-size: 13px;
  outline: none;
  transition: border-color 120ms, box-shadow 120ms;
}
.input:focus { border-color: var(--grape); box-shadow: 0 0 0 3px color-mix(in oklch, var(--grape) 22%, transparent); }
.input::placeholder { color: var(--text-mute); }
.field-row { display: flex; gap: 10px; align-items: center; }
.input-search { padding-left: 36px; background-image: none; }
.search-wrap { position: relative; }
.search-wrap svg { position: absolute; left: 10px; top: 50%; transform: translateY(-50%); color: var(--text-mute); pointer-events: none; }

/* Chips / pills */
.pill {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 600;
  background: var(--surface-2);
  color: var(--text-soft);
  border: 1px solid var(--line);
}
.pill-live   { background: color-mix(in oklch, var(--green) 14%, var(--surface)); color: var(--green); border-color: color-mix(in oklch, var(--green) 26%, transparent); }
.pill-paused { background: color-mix(in oklch, var(--sun) 14%, var(--surface)); color: var(--sun); border-color: color-mix(in oklch, var(--sun) 26%, transparent); }
.pill-draft  { background: var(--surface-3); color: var(--text-mute); }
.pill-pop    { background: color-mix(in oklch, var(--coral) 18%, var(--surface)); color: var(--coral); border-color: color-mix(in oklch, var(--coral) 28%, transparent); }

/* Segmented control */
.seg {
  display: inline-flex; padding: 4px;
  border-radius: 12px;
  background: var(--surface-2);
  border: 1px solid var(--line);
  gap: 2px;
}
.seg button {
  appearance: none; border: 0; background: transparent;
  padding: 6px 12px; border-radius: 9px;
  color: var(--text-soft); font-weight: 600; font-size: 12.5px;
  cursor: pointer;
}
.seg button.active { background: var(--surface); color: var(--text); box-shadow: 0 1px 2px rgba(0,0,0,.06); }

/* Toggle switch */
.switch {
  position: relative; width: 36px; height: 20px;
  border-radius: 999px; background: var(--line-strong);
  border: 0; padding: 0; cursor: pointer; transition: background 120ms;
}
.switch[data-on="1"] { background: var(--green); }
.switch i {
  position: absolute; top: 2px; left: 2px;
  width: 16px; height: 16px; border-radius: 50%;
  background: #fff; box-shadow: 0 1px 2px rgba(0,0,0,.25);
  transition: transform 150ms;
}
.switch[data-on="1"] i { transform: translateX(16px); }

/* Avatar */
.avatar {
  width: 36px; height: 36px; border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 700; font-size: 14px;
  flex-shrink: 0;
}

/* Scrollbar */
*::-webkit-scrollbar { width: 10px; height: 10px; }
*::-webkit-scrollbar-track { background: transparent; }
*::-webkit-scrollbar-thumb {
  background: color-mix(in oklch, var(--text-mute) 35%, transparent);
  border-radius: 999px;
  border: 2px solid transparent;
  background-clip: content-box;
}
*::-webkit-scrollbar-thumb:hover { background: color-mix(in oklch, var(--text-mute) 55%, transparent); background-clip: content-box; border: 2px solid transparent; }

/* Helpers */
.row { display: flex; align-items: center; gap: 10px; }
.row-between { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.col { display: flex; flex-direction: column; gap: 10px; }
.muted { color: var(--text-mute); }
.soft { color: var(--text-soft); }
.mono { font-family: var(--font-mono); }
.eyebrow { font-size: 11px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-mute); }
.gradient-text {
  background: linear-gradient(95deg, var(--grape), var(--cyan) 60%, var(--coral));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

/* Toast */
.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%);
  padding: 12px 18px; border-radius: 12px;
  background: var(--text); color: var(--surface);
  font-weight: 600; font-size: 13px;
  z-index: 2000;
  box-shadow: var(--shadow-pop);
  animation: toast-in 220ms cubic-bezier(.2,.9,.3,1.1);
}
@keyframes toast-in { from { opacity: 0; transform: translate(-50%, 8px); } }

/* Empty states */
.empty {
  padding: 48px 24px;
  text-align: center;
  color: var(--text-mute);
}
