/* ============================================================
   Seed Code CLI Simulator — style.css
   Standalone. Dark terminal aesthetic, ANSI palette, themes.
   ============================================================ */

:root {
  /* desktop backdrop */
  --desk: #050506;
  /* terminal chrome */
  --win-bg: #0C0C0D;
  --win-border: #30363D;
  --bar-bg: linear-gradient(180deg, #17171A, #101013);
  --status-bg: #101013;
  /* ANSI palette */
  --fg: #E8E8EA;
  --dim: #6B7280;
  --muted: #A1A1AA;
  --green: #22C55E;
  --green-hi: #4ADE80;
  --yellow: #F59E0B;
  --red: #EF4444;
  --cyanish: #86EFAC;   /* stays in green family — no blue */
  --white: #FAFAFA;
  --sel: rgba(34, 197, 94, .3);

  --mono: "JetBrains Mono", "Cascadia Code", "IBM Plex Mono", "Fira Code", Consolas, ui-monospace, monospace;
}

/* ---------- themes ---------- */
body[data-theme="light"] {
  --desk: #D9DDD9;
  --win-bg: #F6F7F4;
  --win-border: #B9C2B9;
  --bar-bg: linear-gradient(180deg, #E6E9E4, #D9DDD6);
  --status-bg: #E3E6E0;
  --fg: #1F2A1F;
  --dim: #7A857A;
  --muted: #5B675B;
  --green: #15803D;
  --green-hi: #166534;
  --yellow: #B45309;
  --red: #B91C1C;
  --cyanish: #15803D;
  --white: #111811;
  --sel: rgba(21, 128, 61, .25);
}

body[data-theme="hacker"] {
  --desk: #000000;
  --win-bg: #010401;
  --win-border: #0F3D1B;
  --bar-bg: linear-gradient(180deg, #041B0A, #010902);
  --status-bg: #020C04;
  --fg: #22C55E;
  --dim: #14532D;
  --muted: #16A34A;
  --green: #4ADE80;
  --green-hi: #86EFAC;
  --yellow: #4ADE80;
  --red: #86EFAC;
  --cyanish: #4ADE80;
  --white: #86EFAC;
  --sel: rgba(74, 222, 128, .3);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html, body { height: 100%; }

body {
  font-family: var(--mono);
  background: var(--desk);
  color: var(--fg);
  overflow-x: hidden;
  overflow-y: auto;
  transition: background .5s ease;
}

/* shared site chrome (navbar/footer from ../css/style.css) keeps its own fonts */
body > .nav-wrap, body > .footer { font-family: "Inter", var(--mono); position: relative; z-index: 3; }

::selection { background: var(--sel); color: var(--white); }

a { color: var(--green); }

/* ---------- desktop backdrop ---------- */
.desk { position: fixed; inset: 0; z-index: 0; pointer-events: none; }
.desk-glow {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 60% 45% at 50% 0%, rgba(34, 197, 94, .07), transparent 65%),
    radial-gradient(ellipse 45% 40% at 85% 90%, rgba(34, 197, 94, .04), transparent 60%);
}
.desk-noise {
  position: absolute; inset: 0; opacity: .45; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.05'/%3E%3C/svg%3E");
}

/* ---------- matrix canvas ---------- */
.matrix-canvas {
  position: fixed; inset: 0; z-index: 1; pointer-events: none;
  opacity: 0; transition: opacity .8s ease;
}
body.matrix-on .matrix-canvas { opacity: 1; }
body.matrix-on .term-window { box-shadow: 0 0 80px rgba(34, 197, 94, .35), 0 32px 80px -20px rgba(0, 0, 0, .9); }

/* ---------- stage layout ---------- */
.stage {
  position: relative; z-index: 2;
  min-height: calc(100vh - 64px);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  padding: 24px 20px 40px;
  gap: 14px;
}

/* ---------- suggestion chips ---------- */
.chips {
  display: flex; flex-wrap: wrap; gap: 8px; align-items: center;
  justify-content: center;
  max-width: 1060px;
}
.chips-label { color: var(--dim); font-size: .74rem; margin-right: 4px; }
.chip {
  font-family: var(--mono); font-size: .74rem; font-weight: 500;
  color: var(--muted); background: rgba(34, 197, 94, .05);
  border: 1px solid var(--win-border); border-radius: 100px;
  padding: 6px 14px; cursor: pointer;
  transition: color .15s, border-color .15s, background .15s, transform .2s cubic-bezier(.34, 1.56, .64, 1);
}
.chip:hover {
  color: var(--green-hi); border-color: var(--green);
  background: rgba(34, 197, 94, .12);
  transform: translateY(-2px);
}
.chip:active { transform: scale(.96); }

/* ---------- terminal window ---------- */
.term-window {
  width: min(1120px, 96vw);
  height: min(640px, calc(100vh - 150px));
  min-height: 380px;
  display: flex; flex-direction: column;
  background: var(--win-bg);
  border: 1px solid var(--win-border);
  border-radius: 12px;
  overflow: hidden;
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, .04),
    0 32px 80px -20px rgba(0, 0, 0, .9),
    0 8px 24px -8px rgba(0, 0, 0, .7);
  animation: win-in .7s cubic-bezier(.22, 1, .36, 1) both;
  transition: background .5s ease, border-color .5s ease;
}
@keyframes win-in {
  from { opacity: 0; transform: translateY(26px) scale(.97); }
  to   { opacity: 1; transform: none; }
}

.term-titlebar {
  display: grid; grid-template-columns: 1fr auto 1fr; align-items: center;
  background: var(--bar-bg);
  padding: 10px 14px;
  border-bottom: 1px solid var(--win-border);
  user-select: none;
}
.term-dots { display: flex; gap: 8px; }
.tdot { width: 12px; height: 12px; border-radius: 50%; box-shadow: inset 0 -1px 1px rgba(0, 0, 0, .3); }
.tdot-red { background: #FF5F57; }
.tdot-yellow { background: #FEBC2E; }
.tdot-green { background: #28C840; }
.term-title {
  color: var(--dim); font-size: .72rem; font-weight: 500;
  display: inline-flex; align-items: center; gap: 7px;
}
.term-title img { border-radius: 3px; }
.term-title-right { text-align: right; color: var(--dim); font-size: .72rem; }

/* ---------- screen ---------- */
.term-screen {
  flex: 1; overflow-y: auto; overflow-x: auto;
  padding: 18px 22px 14px;
  font-size: 13.5px; line-height: 1.72;
  font-variant-ligatures: none;
  letter-spacing: 0;
  tab-size: 4;
  cursor: text; outline: none;
  scrollbar-width: thin;
  scrollbar-color: var(--win-border) transparent;
}
.term-screen::-webkit-scrollbar { width: 8px; }
.term-screen::-webkit-scrollbar-thumb { background: var(--win-border); border-radius: 4px; }
.term-screen::-webkit-scrollbar-track { background: transparent; }

.term-output { white-space: pre-wrap; word-break: break-word; }

.t-block { animation: line-in .18s ease both; }
@keyframes line-in { from { opacity: 0; transform: translateY(3px); } to { opacity: 1; transform: none; } }

.t-block.copied { animation: copy-flash .5s ease; }
@keyframes copy-flash {
  0% { background: rgba(34, 197, 94, .18); }
  100% { background: transparent; }
}

/* ---------- ANSI color classes ---------- */
.c-green  { color: var(--green); }
.c-ghi    { color: var(--green-hi); }
.c-dim    { color: var(--dim); }
.c-mut    { color: var(--muted); }
.c-yel    { color: var(--yellow); }
.c-red    { color: var(--red); }
.c-white  { color: var(--white); font-weight: 600; }
.c-cyanish{ color: var(--cyanish); }
.c-bold   { font-weight: 700; }
.c-link   { color: var(--green); text-decoration: underline; text-underline-offset: 3px; cursor: pointer; }

/* box-drawing / ASCII-art blocks: exact character grid */
.t-box, .t-box pre, pre.t-pre {
  font-family: var(--mono);
  white-space: pre;
  line-height: 1.25;
  letter-spacing: 0;
  font-variant-ligatures: none;
  tab-size: 4;
  margin: 0;
}
pre.t-pre { display: block; }

/* ---------- startup banner (1:1 with the real CLI) ---------- */
.banner {
  display: inline-block;               /* shrink-wrap to content width */
  font-family: var(--mono);
  font-size: 12.5px;
  line-height: 1.25;
  letter-spacing: 0;
  font-variant-ligatures: none;
  white-space: pre;
  color: var(--green);
}
.banner pre {
  margin: 0; font: inherit; line-height: inherit;
  white-space: pre; letter-spacing: 0;
}
.banner-top, .banner-bottom { color: var(--green); }
.banner-top .bt-title { color: var(--white); font-weight: 600; }

.banner-mid {
  display: grid;
  grid-template-columns: auto auto auto auto auto;  /* │ left │ right │ */
  align-items: stretch;
}
.banner-edge { color: var(--green); }
.banner-sep { color: var(--dim); }
.banner-left { color: var(--green-hi); }
.banner-left .bl-tag { color: var(--muted); }
.banner-right { color: var(--muted); }
.banner-right .br-title { color: var(--white); font-weight: 600; }
.banner-right .br-rule { color: var(--dim); }
.banner-right .br-val { color: var(--cyanish); }

/* ---------- input row ---------- */
.term-input-row { display: flex; flex-wrap: wrap; align-items: baseline; }
.prompt-str { white-space: pre; margin-right: 9px; }
.input-text { white-space: pre-wrap; word-break: break-all; color: var(--white); }
.ghost { color: var(--dim); }

.cursor {
  display: inline-block; width: 8.2px; height: 1.15em;
  background: var(--green);
  vertical-align: text-bottom;
  margin-left: 1px;
  box-shadow: 0 0 9px rgba(34, 197, 94, .65);
  animation: blink 1.06s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }
body.typing .cursor { animation: none; opacity: 1; }

/* thinking spinner */
.spinner { color: var(--green); }

/* ---------- status bar ---------- */
.term-statusbar {
  display: flex; align-items: center; justify-content: space-between;
  background: var(--status-bg);
  border-top: 1px solid var(--win-border);
  padding: 6px 14px;
  font-size: .7rem; color: var(--dim);
  user-select: none;
}
.term-status-hints { opacity: .8; }

/* ---------- footer ---------- */
.stage-foot { color: var(--dim); font-size: .74rem; text-align: center; }
.stage-foot a { color: var(--muted); }
.stage-foot a:hover { color: var(--green); }

/* hidden capture input */
#kbd {
  position: fixed; top: -80px; left: 0;
  width: 10px; height: 10px;
  opacity: 0; border: 0; padding: 0;
  pointer-events: none;
}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  .term-window { animation: none; }
  .t-block { animation: none; }
  .cursor { animation: none; }
  .chip { transition: none; }
}

/* ---------- small screens ---------- */
@media (max-width: 720px) {
  .stage { padding: 12px 8px; gap: 10px; }
  .term-window { height: calc(100vh - 170px); width: 98vw; }
  .term-screen { font-size: 12px; padding: 12px 12px 10px; }
  .chips { gap: 6px; }
  .chip { font-size: .68rem; padding: 5px 10px; }
  .term-status-hints { display: none; }
  .term-title-right { display: none; }
}