/* ============================================================
   ScreenshotInk — design tokens + component layer
   Tailwind (CDN) handles layout utilities; this file owns
   theme tokens and every branded component.
   ============================================================ */

:root {
  /* --- Color: surfaces --- */
  --ink-bg-0: #07070C;            /* page deepest / footer */
  --ink-bg-1: #0A0A12;            /* page base */
  --ink-bg-2: #10101A;            /* card / raised */
  --ink-bg-3: #161624;            /* hover / raised-2 */
  --ink-border: rgba(255,255,255,.07);
  --ink-border-strong: rgba(255,255,255,.14);

  /* --- Color: text --- */
  --ink-text-1: #F2F2F8;
  --ink-text-2: #A7A7BE;
  --ink-text-3: #67677F;

  /* --- Color: accent (electric indigo) --- */
  --ink-accent: #6E5CFF;
  --ink-accent-hi: #8B7BFF;
  --ink-accent-deep: #4936C9;
  --ink-accent-dim: rgba(110,92,255,.13);
  --ink-accent-ring: rgba(110,92,255,.45);

  /* --- Color: semantic --- */
  --ink-warm: #FFB224;            /* diff "changed", highlights */
  --ink-warm-dim: rgba(255,178,36,.13);
  --ink-success: #3FD9A4;
  --ink-success-dim: rgba(63,217,164,.12);
  --ink-danger: #FF5C7A;
  --ink-danger-dim: rgba(255,92,122,.12);

  /* --- Radii --- */
  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 16px;
  --r-xl: 24px;

  /* --- Shadows / glow --- */
  --shadow-card: 0 1px 0 rgba(255,255,255,.04) inset, 0 8px 24px rgba(0,0,0,.35);
  --shadow-pop: 0 16px 48px rgba(0,0,0,.5);
  --glow-accent: 0 0 0 1px rgba(110,92,255,.4), 0 4px 24px rgba(110,92,255,.35);
  --glow-accent-soft: 0 0 32px rgba(110,92,255,.18);

  /* --- Type --- */
  --font-display: 'Space Grotesk', sans-serif;
  --font-ui: 'Hanken Grotesk', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

/* ---------- Base ---------- */
html { scroll-behavior: smooth; }
body {
  background: var(--ink-bg-1);
  color: var(--ink-text-1);
  font-family: var(--font-ui);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
::selection { background: rgba(110,92,255,.4); color: #fff; }
h1,h2,h3,.font-display { font-family: var(--font-display); letter-spacing: -0.02em; }
:focus-visible { outline: 2px solid var(--ink-accent); outline-offset: 2px; border-radius: 4px; }
code, pre, kbd { font-family: var(--font-mono); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  font-family: var(--font-ui); font-weight: 600; white-space: nowrap;
  border-radius: var(--r-md); border: 1px solid transparent;
  font-size: .9rem; line-height: 1; padding: 0 1.1rem; height: 2.5rem;
  cursor: pointer; transition: all .16s ease; text-decoration: none;
}
.btn-sm { height: 2rem; padding: 0 .8rem; font-size: .8rem; border-radius: var(--r-sm); }
.btn-lg { height: 3rem; padding: 0 1.5rem; font-size: 1rem; border-radius: 12px; }
.btn-primary { background: var(--ink-accent); color: #fff; }
.btn-primary:hover { background: var(--ink-accent-hi); box-shadow: var(--glow-accent); }
.btn-secondary { background: transparent; color: var(--ink-text-1); border-color: var(--ink-border-strong); }
.btn-secondary:hover { border-color: var(--ink-accent); color: var(--ink-accent-hi); background: var(--ink-accent-dim); }
.btn-ghost { background: transparent; color: var(--ink-text-2); }
.btn-ghost:hover { color: var(--ink-text-1); background: var(--ink-bg-3); }
.btn-destructive { background: transparent; color: var(--ink-danger); border-color: rgba(255,92,122,.3); }
.btn-destructive:hover { background: var(--ink-danger-dim); border-color: var(--ink-danger); }
.btn:disabled { opacity: .45; cursor: not-allowed; box-shadow: none; }

/* ---------- Badges & chips ---------- */
.badge {
  display: inline-flex; align-items: center; gap: .35rem;
  font-size: .72rem; font-weight: 600; letter-spacing: .02em;
  padding: .2rem .55rem; border-radius: 999px; line-height: 1.2;
  border: 1px solid var(--ink-border-strong); color: var(--ink-text-2); background: var(--ink-bg-3);
}
.badge-accent  { color: var(--ink-accent-hi); background: var(--ink-accent-dim); border-color: rgba(110,92,255,.35); }
.badge-warm    { color: var(--ink-warm); background: var(--ink-warm-dim); border-color: rgba(255,178,36,.35); }
.badge-success { color: var(--ink-success); background: var(--ink-success-dim); border-color: rgba(63,217,164,.3); }
.badge-danger  { color: var(--ink-danger); background: var(--ink-danger-dim); border-color: rgba(255,92,122,.3); }
.chip {
  display: inline-flex; align-items: center; gap: .4rem;
  font-family: var(--font-mono); font-size: .72rem; color: var(--ink-text-2);
  padding: .3rem .65rem; border-radius: var(--r-sm);
  border: 1px solid var(--ink-border); background: var(--ink-bg-2);
}

/* ---------- Cards ---------- */
.card {
  background: var(--ink-bg-2); border: 1px solid var(--ink-border);
  border-radius: var(--r-lg); box-shadow: var(--shadow-card);
}
.card-hover { transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease; }
.card-hover:hover { transform: translateY(-3px); border-color: var(--ink-border-strong); box-shadow: var(--shadow-pop); }

/* ---------- Inputs ---------- */
.input, .select, .textarea {
  width: 100%; background: var(--ink-bg-1); color: var(--ink-text-1);
  border: 1px solid var(--ink-border-strong); border-radius: var(--r-md);
  font-size: .9rem; padding: .6rem .8rem; transition: border-color .15s, box-shadow .15s;
  font-family: var(--font-ui);
}
.input::placeholder, .textarea::placeholder { color: var(--ink-text-3); }
.input:focus, .select:focus, .textarea:focus {
  outline: none; border-color: var(--ink-accent); box-shadow: 0 0 0 3px var(--ink-accent-ring);
}
.input-mono, .textarea-mono { font-family: var(--font-mono); font-size: .82rem; }
.select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M2.5 4.5l3.5 3.5 3.5-3.5' fill='none' stroke='%23A7A7BE' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right .7rem center; padding-right: 2.2rem;
}
.label { display: block; font-size: .75rem; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; color: var(--ink-text-3); margin-bottom: .4rem; }

/* Toggle switch */
.toggle { position: relative; display: inline-flex; align-items: center; gap: .55rem; cursor: pointer; user-select: none; }
.toggle input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.toggle .tg-track {
  width: 38px; height: 22px; border-radius: 999px; flex: none;
  background: var(--ink-bg-3); border: 1px solid var(--ink-border-strong);
  transition: background .18s, border-color .18s; position: relative;
}
.toggle .tg-track::after {
  content: ""; position: absolute; top: 2px; left: 2px; width: 16px; height: 16px;
  border-radius: 50%; background: var(--ink-text-2); transition: transform .18s ease, background .18s;
}
.toggle input:checked + .tg-track { background: var(--ink-accent); border-color: var(--ink-accent); }
.toggle input:checked + .tg-track::after { transform: translateX(16px); background: #fff; }
.toggle input:focus-visible + .tg-track { outline: 2px solid var(--ink-accent); outline-offset: 2px; }
.toggle .tg-label { font-size: .85rem; color: var(--ink-text-2); }

/* Range slider */
.range { -webkit-appearance: none; appearance: none; width: 100%; height: 4px; border-radius: 999px;
  background: linear-gradient(to right, var(--ink-accent) var(--fill,50%), var(--ink-bg-3) var(--fill,50%)); }
.range::-webkit-slider-thumb { -webkit-appearance: none; width: 16px; height: 16px; border-radius: 50%;
  background: #fff; border: 2px solid var(--ink-accent); cursor: grab; box-shadow: 0 0 8px rgba(110,92,255,.5); }
.range::-moz-range-thumb { width: 16px; height: 16px; border-radius: 50%; background: #fff; border: 2px solid var(--ink-accent); cursor: grab; }

/* ---------- Code blocks ---------- */
.code-block {
  background: var(--ink-bg-0); border: 1px solid var(--ink-border);
  border-radius: var(--r-lg); overflow: hidden; font-size: .8rem;
}
.code-head {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: .5rem .6rem .5rem 1rem; border-bottom: 1px solid var(--ink-border);
  background: var(--ink-bg-2);
}
.code-block pre { margin: 0; padding: 1rem 1.25rem; overflow-x: auto; line-height: 1.65; }
.code-block code { font-size: .78rem; color: var(--ink-text-2); }
/* hand syntax tints */
.tk-c { color: var(--ink-text-3); }                /* comment */
.tk-k { color: var(--ink-accent-hi); }             /* keyword / flag */
.tk-s { color: var(--ink-success); }               /* string */
.tk-n { color: var(--ink-warm); }                  /* number / value */
.tk-f { color: #7FB7FF; }                          /* function / url */
.tk-p { color: var(--ink-text-1); }                /* plain emphasized */

.copy-btn {
  display: inline-flex; align-items: center; gap: .35rem; height: 1.7rem; padding: 0 .6rem;
  font-family: var(--font-mono); font-size: .68rem; color: var(--ink-text-2);
  background: var(--ink-bg-3); border: 1px solid var(--ink-border-strong); border-radius: var(--r-sm);
  cursor: pointer; transition: all .15s;
}
.copy-btn:hover { color: var(--ink-text-1); border-color: var(--ink-accent); }
.copy-btn.copied { color: var(--ink-success); border-color: var(--ink-success); }

/* Tab strip (code tabs, segmented controls) */
.tabstrip { display: inline-flex; gap: .25rem; padding: .25rem; background: var(--ink-bg-1); border: 1px solid var(--ink-border); border-radius: var(--r-md); }
.tabstrip [role="tab"] {
  border: 0; background: transparent; color: var(--ink-text-3); cursor: pointer;
  font-family: var(--font-mono); font-size: .72rem; font-weight: 500;
  padding: .35rem .7rem; border-radius: var(--r-sm); transition: all .15s;
}
.tabstrip [role="tab"]:hover { color: var(--ink-text-1); }
.tabstrip [role="tab"][aria-selected="true"] { background: var(--ink-accent-dim); color: var(--ink-accent-hi); }

/* ---------- Stamped browser frame (signature component) ---------- */
.stamp-frame {
  position: relative; background: var(--ink-bg-2);
  border: 1px solid var(--ink-border-strong); border-radius: var(--r-lg);
  overflow: hidden; box-shadow: var(--shadow-card); margin: 0;
}
.sf-bar {
  display: flex; align-items: center; gap: .6rem; padding: .5rem .75rem;
  background: var(--ink-bg-3); border-bottom: 1px solid var(--ink-border);
}
.sf-dots { display: flex; gap: 5px; flex: none; }
.sf-dots i { width: 9px; height: 9px; border-radius: 50%; background: var(--ink-text-3); opacity: .55; }
.sf-url {
  flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  font-family: var(--font-mono); font-size: .68rem; color: var(--ink-text-2);
  background: var(--ink-bg-1); border: 1px solid var(--ink-border);
  border-radius: 999px; padding: .22rem .7rem; text-align: center;
}
.sf-body { position: relative; overflow: hidden; }
.sf-stamp {
  position: absolute; right: 10px; bottom: 10px; z-index: 3;
  transform: rotate(-2deg);
  font-family: var(--font-mono); font-size: .58rem; letter-spacing: .06em; text-transform: uppercase;
  color: var(--ink-accent-hi); background: rgba(10,10,18,.82);
  border: 1px solid rgba(110,92,255,.55); border-radius: 4px;
  padding: .28rem .5rem; box-shadow: 0 0 0 2px rgba(10,10,18,.5), var(--glow-accent-soft);
  pointer-events: none; backdrop-filter: blur(2px);
}
.sf-stamp::before { content: "◉ "; color: var(--ink-accent); }

/* ---------- Fake-page placeholders (no raster images) ---------- */
.ph { position: relative; width: 100%; background: #0D0D16; }
.ph svg { display: block; width: 100%; height: 100%; }

/* Diff overlay: warm blotches over a placeholder */
.diff-blot {
  position: absolute; border-radius: 6px; z-index: 2;
  background: rgba(255,178,36,.32); border: 1.5px dashed var(--ink-warm);
  box-shadow: 0 0 16px rgba(255,178,36,.35);
}

/* ---------- Loading: skeleton + ink fill ---------- */
.skeleton {
  position: relative; overflow: hidden; background: var(--ink-bg-3); border-radius: var(--r-md);
}
.skeleton::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(100deg, transparent 30%, rgba(255,255,255,.06) 50%, transparent 70%);
  animation: sk-shimmer 1.4s infinite;
}
@keyframes sk-shimmer { from { transform: translateX(-100%); } to { transform: translateX(100%); } }

.ink-fill { position: relative; height: 6px; border-radius: 999px; background: var(--ink-bg-3); overflow: hidden; }
.ink-fill::before {
  content: ""; position: absolute; inset: 0; width: 0%;
  background: linear-gradient(90deg, var(--ink-accent-deep), var(--ink-accent), var(--ink-accent-hi));
  border-radius: 999px; box-shadow: 0 0 12px rgba(110,92,255,.6);
  animation: ink-pour 1.5s cubic-bezier(.3,.8,.4,1) forwards;
}
@keyframes ink-pour { 0% { width: 0; } 60% { width: 72%; } 100% { width: 100%; } }

.ink-drop-pulse { animation: drop-pulse 1.2s ease-in-out infinite; }
@keyframes drop-pulse { 0%,100% { opacity: .5; transform: scale(.96); } 50% { opacity: 1; transform: scale(1.04); } }

/* ---------- Accordion ---------- */
.acc { border: 1px solid var(--ink-border); border-radius: var(--r-lg); background: var(--ink-bg-2); overflow: hidden; }
.acc + .acc { margin-top: .6rem; }
.acc-btn {
  display: flex; width: 100%; align-items: center; justify-content: space-between; gap: 1rem;
  background: none; border: 0; cursor: pointer; text-align: left;
  padding: 1rem 1.25rem; color: var(--ink-text-1); font-family: var(--font-ui); font-weight: 600; font-size: .95rem;
}
.acc-btn .acc-x { flex: none; color: var(--ink-text-3); transition: transform .25s ease; font-size: 1.1rem; line-height: 1; }
.acc-btn[aria-expanded="true"] .acc-x { transform: rotate(45deg); color: var(--ink-accent-hi); }
.acc-panel { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .28s ease; }
.acc-btn[aria-expanded="true"] + .acc-panel { grid-template-rows: 1fr; }
.acc-panel > div { overflow: hidden; }
.acc-panel p { padding: 0 1.25rem 1.1rem; color: var(--ink-text-2); font-size: .9rem; line-height: 1.6; }

/* ---------- Tables ---------- */
.tbl { width: 100%; border-collapse: collapse; font-size: .85rem; }
.tbl th {
  text-align: left; font-family: var(--font-mono); font-size: .68rem; font-weight: 500;
  text-transform: uppercase; letter-spacing: .08em; color: var(--ink-text-3);
  padding: .65rem 1rem; border-bottom: 1px solid var(--ink-border-strong);
}
.tbl td { padding: .8rem 1rem; border-bottom: 1px solid var(--ink-border); color: var(--ink-text-2); vertical-align: top; }
.tbl tr:last-child td { border-bottom: 0; }
.tbl tr:hover td { background: rgba(255,255,255,.015); }

/* ---------- Nav / footer ---------- */
.navlink { color: var(--ink-text-2); font-size: .88rem; font-weight: 500; text-decoration: none; padding: .4rem .65rem; border-radius: var(--r-sm); transition: color .15s, background .15s; }
.navlink:hover { color: var(--ink-text-1); background: var(--ink-bg-3); }
.navlink.active { color: var(--ink-accent-hi); }
.footlink { color: var(--ink-text-3); font-size: .85rem; text-decoration: none; transition: color .15s; }
.footlink:hover { color: var(--ink-text-1); }

/* App sidebar */
.side-link {
  display: flex; align-items: center; gap: .65rem; padding: .55rem .75rem;
  border-radius: var(--r-md); color: var(--ink-text-2); font-size: .88rem; font-weight: 500;
  text-decoration: none; transition: all .15s; border: 1px solid transparent;
}
.side-link:hover { color: var(--ink-text-1); background: var(--ink-bg-3); }
.side-link.active { color: var(--ink-accent-hi); background: var(--ink-accent-dim); border-color: rgba(110,92,255,.25); }
.side-link svg { flex: none; opacity: .8; }

/* ---------- Misc ---------- */
.section-kicker {
  display: inline-flex; align-items: center; gap: .5rem;
  font-family: var(--font-mono); font-size: .7rem; letter-spacing: .14em; text-transform: uppercase;
  color: var(--ink-accent-hi);
}
.section-kicker::before { content: ""; width: 20px; height: 1px; background: var(--ink-accent); }
.hr-faint { border: 0; border-top: 1px solid var(--ink-border); }

/* ink blot decorations */
.ink-blot { position: absolute; border-radius: 50%; filter: blur(70px); pointer-events: none; z-index: 0; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

/* ---------- Production additions (not in the design handoff) ----------
   Mobile fit: grid/flex columns that hold code blocks get min-width:0 in
   markup; this is the safety net against any remaining horizontal bleed.
   Inner scroll containers (.code-block pre, table wrappers) are unaffected. */
html, body { overflow-x: clip; }
.code-block pre { max-width: 100%; }