/* ============================================
   shortlink2 — design tokens + base elements
   ============================================ */
:root {
  --bg: #fafaf7;
  --surface: #ffffff;
  --surface-2: #f4f2ed;
  --border: #e8e4dc;
  --border-strong: #d8d3c7;
  --ink: #1a1a1a;
  --ink-2: #3a3a38;
  --muted: #6b6864;
  --muted-2: #9a9690;

  --accent: #ff5b1f;
  --accent-ink: #ffffff;
  --accent-soft: #ffeee5;
  --accent-hover: #f04d12;

  --green: #1f7a4d;
  --green-soft: #e3f1e9;
  --red: #b3321c;
  --red-soft: #fbe6e1;
  --amber: #8a5a00;
  --amber-soft: #fbf0d6;

  --font-display: "Inter Tight", "Inter", system-ui, sans-serif;
  --font-sans: "Inter", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 14px;
  --r-xl: 20px;

  --shadow-sm: 0 1px 2px rgba(20,14,6,.04);
  --shadow-md: 0 8px 24px rgba(20,14,6,.06), 0 1px 2px rgba(20,14,6,.04);
  --shadow-lg: 0 24px 60px rgba(20,14,6,.10), 0 2px 6px rgba(20,14,6,.05);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: inherit; text-decoration: none; }

/* Buttons */
.btn {
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: -0.005em;
  border-radius: var(--r-md);
  border: 1px solid transparent;
  padding: 10px 16px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: background 120ms ease, border-color 120ms ease, color 120ms ease, transform 80ms ease;
  white-space: nowrap;
  user-select: none;
  text-decoration: none;
  color: inherit;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--ink); color: #fff; }
.btn-primary:hover { background: #000; }
.btn-accent { background: var(--accent); color: var(--accent-ink); }
.btn-accent:hover { background: var(--accent-hover); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--border); }
.btn-ghost:hover { background: var(--surface-2); border-color: var(--border-strong); }
.btn-quiet { background: transparent; color: var(--muted); border-color: transparent; padding: 8px 10px; }
.btn-quiet:hover { color: var(--ink); background: var(--surface-2); }
.btn-danger { background: var(--red-soft); color: var(--red); border-color: transparent; }
.btn-danger:hover { background: var(--red); color: #fff; }
.btn-sm { padding: 7px 12px; font-size: 13px; }
.btn-icon {
  padding: 8px;
  border-radius: var(--r-sm);
  background: transparent;
  border: 1px solid transparent;
  color: var(--muted);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background 120ms ease, color 120ms ease;
}
.btn-icon:hover { background: var(--surface-2); color: var(--ink); }

/* Cards */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
}

/* Inputs */
.input {
  font-family: var(--font-sans);
  font-size: 15px;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 10px 14px;
  outline: none;
  width: 100%;
  transition: border-color 120ms ease, box-shadow 120ms ease;
}
.input:focus {
  border-color: var(--ink);
  box-shadow: 0 0 0 3px rgba(26,26,26,.06);
}

/* Pills */
.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 500;
  padding: 3px 8px;
  border-radius: 999px;
  background: var(--surface-2);
  color: var(--muted);
  border: 1px solid var(--border);
  white-space: nowrap;
}
.pill-green { background: var(--green-soft); color: var(--green); border-color: transparent; }
.pill-red   { background: var(--red-soft);   color: var(--red);   border-color: transparent; }
.pill-amber { background: var(--amber-soft); color: var(--amber); border-color: transparent; }

.divider { height: 1px; background: var(--border); border: 0; }

@keyframes pulse-dot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.4); opacity: .6; }
}
.pulse-dot {
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: var(--green);
  animation: pulse-dot 1.6s ease-in-out infinite;
  display: inline-block;
}

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 999px; border: 2px solid var(--bg); }
::-webkit-scrollbar-track { background: transparent; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: translateY(0); }
}
.fade-in { animation: fadeIn 240ms ease both; }

/* Hidden helper */
.hidden { display: none !important; }

/* Disabled-looking nav link */
.is-disabled { opacity: .55; cursor: default; pointer-events: none; }