/**
 * jeder.dev brand system
 * Shared across all tools. Import this before tool-specific styles.
 *
 * Usage: <link rel="stylesheet" href="/brand.css">
 *   or:  <link rel="stylesheet" href="https://cdn.jeder.dev/brand.css">  (future)
 */

/* ── Tokens ──────────────────────────────────────────────────────────────── */
:root {
  /* Backgrounds */
  --color-bg:       #0f172a;   /* page */
  --color-surface:  #1e293b;   /* cards, panels */
  --color-surface2: #263347;   /* panel headers, table headers */
  --color-surface3: #2d3f58;   /* hover states */

  /* Borders */
  --color-border:   #334155;
  --color-border-dim: rgba(255,255,255,0.04);

  /* Text */
  --color-text:     #e2e8f0;
  --color-muted:    #94a3b8;
  --color-dim:      #64748b;

  /* Accent — sky blue */
  --color-accent:   #38bdf8;
  --color-accent-dim: #0c4a6e;
  --color-accent-glow: rgba(56,189,248,0.15);

  /* Semantic */
  --color-success:  #4ade80;
  --color-success-dim: #14532d;
  --color-warning:  #fbbf24;
  --color-warning-dim: #451a03;
  --color-error:    #f87171;
  --color-error-dim: #450a0a;

  /* Typography */
  --font-ui:   'Inter', 'Segoe UI', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', ui-monospace, monospace;

  /* Spacing */
  --radius:    8px;
  --radius-sm: 5px;
  --radius-lg: 12px;
  --radius-xl: 16px;
}

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

/* ── Base ────────────────────────────────────────────────────────────────── */
html { font-size: 16px; }
body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-ui);
  line-height: 1.5;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}
code, pre, .mono { font-family: var(--font-mono); }

/* ── Brand header ────────────────────────────────────────────────────────── */
.brand-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 0.9rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}
.brand-wordmark {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--color-accent);
  letter-spacing: -0.02em;
  text-decoration: none;
}
.brand-descriptor {
  color: var(--color-muted);
  font-weight: 400;
  font-size: 0.85rem;
  margin-left: 0.4rem;
}
.brand-nav {
  margin-left: auto;
  display: flex;
  gap: 1.25rem;
  align-items: center;
}
.brand-nav a {
  font-size: 0.78rem;
  color: var(--color-muted);
  text-decoration: none;
  transition: color 0.15s;
}
.brand-nav a:hover { color: var(--color-text); }

/* ── Brand footer ────────────────────────────────────────────────────────── */
.brand-footer {
  border-top: 1px solid var(--color-border);
  padding: 1.25rem 1.5rem;
  text-align: center;
  color: var(--color-muted);
  font-size: 0.75rem;
  margin-top: 3rem;
}
.brand-footer a { color: var(--color-muted); text-decoration: none; }
.brand-footer a:hover { color: var(--color-text); }
.brand-footer .sep { margin: 0 0.5rem; opacity: 0.4; }

/* ── Ad slot ─────────────────────────────────────────────────────────────── */
.ad-slot {
  background: var(--color-surface);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius);
  height: 90px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-muted);
  font-size: 0.72rem;
  margin-bottom: 1.5rem;
}

/* ── Shared components ───────────────────────────────────────────────────── */

/* Panel */
.panel {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
}
.panel-header {
  background: var(--color-surface2);
  border-bottom: 1px solid var(--color-border);
  padding: 0.6rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}
.panel-title {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-muted);
}
.panel-body { padding: 0.9rem 1rem; }

/* Button */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--color-surface2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-muted);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.35rem 0.75rem;
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
  font-family: var(--font-ui);
}
.btn:hover { background: var(--color-border); color: var(--color-text); }
.btn.btn-copied { background: var(--color-success-dim); border-color: var(--color-success); color: var(--color-success); }
.btn.btn-accent { background: var(--color-accent-dim); border-color: var(--color-accent); color: var(--color-accent); }
.btn.btn-accent:hover { background: var(--color-accent); color: var(--color-bg); }

/* Badge */
.badge {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 0.15rem 0.45rem;
  border-radius: 999px;
}
.badge-new    { background: var(--color-success-dim); color: var(--color-success); }
.badge-accent { background: var(--color-accent-dim);  color: var(--color-accent); }

/* Section label */
.section-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 0.5rem;
}

/* Tabs */
.tabs { display: flex; border-bottom: 1px solid var(--color-border); }
.tab {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.55rem 0.9rem;
  cursor: pointer;
  color: var(--color-muted);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: all 0.15s;
  white-space: nowrap;
  background: none;
  border-top: none;
  border-left: none;
  border-right: none;
  font-family: var(--font-ui);
}
.tab:hover { color: var(--color-text); }
.tab.active { color: var(--color-accent); border-bottom-color: var(--color-accent); }

/* Code block */
.code-block {
  background: rgba(0,0,0,0.3);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  white-space: pre;
  overflow-x: auto;
  color: #cbd5e1;
  line-height: 1.6;
}

/* AI prompt block — distinct from code */
.prompt-block {
  background: rgba(56,189,248,0.05);
  border: 1px solid var(--color-accent-dim);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  font-size: 0.82rem;
  white-space: pre-wrap;
  word-break: break-word;
  color: var(--color-text);
  line-height: 1.6;
  font-family: var(--font-ui);
}