/* ============================================================================
   lobot.io — page layout
   Tokens live in assets/css/colors_and_type.css. This file is layout only.
   Mobile-first: 360px portrait → 2560px+.
   ============================================================================ */

/* ---------- Reset --------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
img, svg { display: block; max-width: 100%; }

/* ---------- Full-viewport flex shell ------------------------------------- */
html { height: 100%; }
body {
  margin: 0; padding: 0;
  min-height: 100dvh;           /* dvh = accounts for mobile browser chrome */
  display: flex;
  flex-direction: column;
  /* Fluid base: 14px on phones, ~18px at 2560px */
  font-size: clamp(14px, 0.65vw + 11.5px, 18px);
}

/* ---------- Top bar ------------------------------------------------------- */
.topbar {
  position: sticky; top: 0; z-index: 10;
  flex-shrink: 0;
  background: var(--bg-1);
  border-bottom: 1px solid var(--border-1);
}
.topbar-inner {
  max-width: clamp(720px, 78vw, 1280px);
  margin: 0 auto;
  padding: clamp(12px, 1.6vw, 18px) clamp(20px, 4vw, 56px);
  display: flex; align-items: center; gap: clamp(12px, 2vw, 32px);
  font-family: var(--font-mono); font-size: 13px;
}
@media (min-width: 2000px) { .topbar-inner { max-width: 1440px; } }

.brand {
  display: inline-flex; align-items: baseline; gap: 6px;
  text-decoration: none; color: var(--fg-1); font-weight: 700;
  transition: color var(--dur-fast) var(--ease-out);
  flex-shrink: 0;
}
.brand:hover { color: var(--fg-2); }
.brand .dim { color: var(--fg-4); font-weight: 400; }

.nav { display: flex; gap: clamp(14px, 1.6vw, 24px); margin-left: auto; align-items: center; }

.theme-btn {
  background: transparent; border: 1px solid var(--border-2);
  color: var(--fg-2); font-family: var(--font-mono); font-size: 12px;
  padding: 3px 8px; cursor: pointer; border-radius: 0;
  transition: color var(--dur-fast) var(--ease-out),
              border-color var(--dur-fast) var(--ease-out);
}
.theme-btn:hover { color: var(--fg-1); border-color: var(--border-3); }

/* ---------- Main content area -------------------------------------------- */
/* flex: 1 → fills all space between topbar and statusline */
.main {
  flex: 1;
  position: relative;          /* anchor for capsulebot absolute positioning */
  overflow: hidden;
}

/* Centered column — same max-width rhythm as topbar */
.shell {
  max-width: clamp(720px, 78vw, 1280px);
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 56px);
}
@media (min-width: 2000px) { .shell { max-width: 1440px; } }

/* Main shell fills .main height so prompt can sit at the bottom */
.main-shell {
  height: 100%;
  display: flex;
  flex-direction: column;
}

/* Prompt pushed to the bottom of the main area */
.prompt-wrap {
  margin-top: auto;
  padding: clamp(24px, 4vw, 56px) 0;
}

.promptline {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--font-mono);
  font-size: clamp(13px, 1vw, 16px);
  color: var(--fg-3);
  user-select: none;
}
.promptline .prompt-tok { color: var(--fg-4); }

/* ---------- Capsulebot ---------------------------------------------------- */
.capsulebot-wrap {
  position: absolute;
  right: clamp(16px, 5vw, 80px);
  top: 50%;
  transform: translateY(-50%);
  width: clamp(96px, 12vw, 180px);
  pointer-events: none;
  z-index: 0;
}
.capsulebot-wrap img { width: 100%; height: auto; }

/* Reduced-motion: show static, hide animated */
.mascot-static { display: none; }
@media (prefers-reduced-motion: reduce) {
  .mascot-anim   { display: none; }
  .mascot-static { display: block; }
}

/* Hide capsulebot on very narrow screens to avoid overlap */
@media (max-width: 480px) { .capsulebot-wrap { display: none; } }

/* ---------- Statusline ---------------------------------------------------- */
/* Fixed to the bottom — always visible regardless of scroll. */
.statusline {
  position: fixed; bottom: 0; left: 0; right: 0;
  z-index: 10;
  background: var(--bg-3);
  border-top: 1px solid var(--border-2);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-4);
}

/* Nudge body so content isn't hidden behind the fixed bar.
   36px ≈ statusline line-height + vertical padding. */
body { padding-bottom: 36px; }

.statusline-inner {
  max-width: clamp(720px, 78vw, 1280px);
  margin: 0 auto;
  padding: 7px clamp(20px, 4vw, 56px);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--sp-3);
  overflow: hidden;
}
@media (min-width: 2000px) { .statusline-inner { max-width: 1440px; } }

.sl-left, .sl-right {
  display: flex; align-items: center;
  gap: 10px;
  flex-wrap: nowrap; overflow: hidden;
}
.sl-right { flex-shrink: 0; }

.sl-seg {
  display: inline-flex; align-items: center; gap: 5px;
  white-space: nowrap;
  letter-spacing: var(--ls-wide); text-transform: uppercase;
}

.sl-sep { color: var(--border-3); flex-shrink: 0; }
.sl-muted { color: var(--fg-4); }

.sl-bar {
  letter-spacing: 0;          /* prevent wide tracking on block chars */
  color: var(--border-3);
  font-size: 9px;
  line-height: 1;
}
.sl-val { color: var(--fg-4); }

.sl-link {
  color: var(--fg-3); text-decoration: none;
  transition: color var(--dur-fast) var(--ease-out);
}
.sl-link:hover { color: var(--fg-1); }

/* Warning segment — slightly brighter + pulsing glyph */
.sl-warn { color: var(--fg-2); font-weight: 500; }

.warn-glyph {
  display: inline-block;
  animation: sl-pulse 2.4s ease-in-out infinite;
}
.warn-text { color: var(--fg-3); }

@keyframes sl-pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.15; }
}

@media (prefers-reduced-motion: reduce) {
  .warn-glyph { animation: none; }
}

/* Responsive segment hiding — shed metrics as viewport shrinks */
@media (max-width: 800px)  { .sl-hide-md { display: none; } }
@media (max-width: 620px)  { .sl-hide-sm { display: none; } }
@media (max-width: 440px)  { .sl-hide-xs { display: none; } }

/* ---------- Scanline overlay on main (CRT flavor, dark only) -------------- */
[data-theme="dark"] .main::after {
  content: "";
  position: absolute; inset: 0; pointer-events: none;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0px, transparent 2px,
    rgba(255,255,255,0.012) 2px, rgba(255,255,255,0.012) 3px
  );
  z-index: 1;
}
/* Capsulebot sits above scanlines */
.capsulebot-wrap { z-index: 2; }

/* ---------- Focus rings --------------------------------------------------- */
*:focus-visible {
  outline: 2px solid var(--fg-1);
  outline-offset: 2px;
}