/* ============================================================
   Dilxhan.com — base styles
   Design tokens drive both themes; toggling [data-theme] flips
   the whole palette + hero scene mood in one motion.
   ============================================================ */

:root {
  /* ---- Light theme (default) — thriving forest ---- */
  --bg: #FAF8F3;
  --text: #1A1F1B;
  --text-muted: #5A5F58;
  --accent: #2D5E3F;       /* forest green */
  --accent-muted: #8B6F47; /* bark brown */
  --border: rgba(26, 31, 27, 0.14);
  --border-strong: rgba(26, 31, 27, 0.28);

  --scene-sky-1: #C3DDBC;
  --scene-sky-2: #9FC896;
  --scene-creature: #0D2614;
  --scene-ember-color: #C9472B;

  --font-display: 'Fraunces', serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;

  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.75rem;
  --space-4: 2.5rem;

  --radius: 3px;
  --transition-theme: 600ms cubic-bezier(0.4, 0, 0.2, 1);
}

html[data-theme="dark"] {
  /* ---- Dark theme — the same forest, burning ---- */
  --bg: #0D0B0A;
  --text: #F2EDE4;
  --text-muted: #A39C92;
  --accent: #C9472B;        /* ember */
  --accent-muted: #4A4641;  /* ash */
  --border: rgba(242, 237, 228, 0.12);
  --border-strong: rgba(242, 237, 228, 0.24);

  --scene-sky-1: #3D1C12;
  --scene-sky-2: #2A130C;
  --scene-creature: #6B2A18;
  --scene-ember-color: #FF8A4C;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  overflow: hidden; /* no scroll, ever */
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-mono);
  transition: background var(--transition-theme), color var(--transition-theme);
  -webkit-font-smoothing: antialiased;
}

/* Respect reduced-motion preference globally */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

/* ---------- Stage: the single viewport, vertically centered ---------- */

.stage {
  height: 100vh;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: clamp(0.1rem, 0.5vh, 0.4rem);
  padding: clamp(1rem, 4vw, 3rem);
  /* Optical centering: the hero glyph weight sits high in its box
     (Fraunces cap-height vs. thin baseline elements below), so a
     mathematically centered block still reads as sitting too high.
     This nudge shifts the whole group down slightly to compensate —
     verified against the heavier/lighter visual weight, not a layout bug. */
  transform: translateY(3vh);
}

/* ---------- Hero ---------- */

.hero {
  width: 80vw;
  max-width: 1400px;
  margin-bottom: -0.5vh;
  opacity: 0;
  transition: opacity 350ms ease-out;
}

.hero.is-fitted {
  opacity: 1;
}

.hero__svg {
  width: 100%;
  height: auto;
  display: block;
  overflow: visible;
}

.hero__text-path,
.hero__text-fallback {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 200px;
  font-variation-settings: 'SOFT' 100, 'opsz' 144;
  letter-spacing: -0.01em;
}

.hero__text-fallback {
  fill: var(--text);
  opacity: 0; /* hidden once scene renders; safety fallback only */
}

.hero__sky-stop-1 {
  stop-color: var(--scene-sky-1);
  transition: stop-color var(--transition-theme);
}

.hero__sky-stop-2 {
  stop-color: var(--scene-sky-2);
  transition: stop-color var(--transition-theme);
}

.scene-silhouette {
  fill: var(--scene-creature);
  color: var(--scene-creature);
  transition: fill var(--transition-theme), color var(--transition-theme);
}

.scene-ember {
  fill: var(--scene-ember-color);
}

/* ---------- Socials ---------- */

.socials {
  display: flex;
  gap: var(--space-3);
  align-items: center;
}

.socials a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.8rem;
  letter-spacing: 0.02em;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.1rem;
  border-bottom: 1px solid transparent;
  transition: color 200ms, border-color 200ms;
}

.socials a:hover,
.socials a:focus-visible {
  color: var(--text);
  border-bottom-color: var(--border-strong);
}

.socials svg {
  width: 15px;
  height: 15px;
  stroke: currentColor;
  fill: none;
}

/* ---------- Hobby tiles (icon-only) ---------- */

.tiles {
  display: flex;
  gap: var(--space-3);
  align-items: center;
}

.tile {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: transparent;
  cursor: pointer;
  color: var(--text-muted);
  transition: border-color 200ms, color 200ms, transform 200ms;
}

.tile:hover,
.tile:focus-visible {
  border-color: var(--border-strong);
  color: var(--text);
  transform: translateY(-2px);
}

.tile.is-pulsing {
  animation: tile-pulse 900ms ease-out;
}

@keyframes tile-pulse {
  0%   { box-shadow: 0 0 0 0 var(--accent); border-color: var(--accent); }
  70%  { box-shadow: 0 0 0 8px transparent; }
  100% { box-shadow: 0 0 0 0 transparent; border-color: var(--border); }
}

.tile svg {
  width: 18px;
  height: 18px;
  stroke: currentColor;
  fill: none;
}

/* ---------- Command prompt ---------- */

.prompt {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--text);
  min-width: 220px;
  position: relative;
}

.prompt__cursor {
  color: var(--accent);
  font-weight: 600;
  animation: blink 1s step-end infinite;
  user-select: none;
}

.prompt__field {
  position: relative;
  width: 220px;
}

.prompt__typewriter {
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  opacity: 0.55;
  pointer-events: none;
  white-space: nowrap;
  font-family: var(--font-mono);
  font-size: 0.95rem;
}

/* hide the typewriter placeholder once the user has typed something
   or the input is focused (real cursor takes over at that point) */
.prompt__field.is-occupied .prompt__typewriter {
  display: none;
}

.prompt__input {
  position: relative;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 0.95rem;
  caret-color: var(--accent);
  width: 100%;
  padding: 0.2em 0;
}

@keyframes blink {
  0%, 50% { opacity: 1; }
  50.01%, 100% { opacity: 0; }
}

/* ---------- Theme toggle ---------- */

.theme-toggle {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  width: 36px;
  height: 36px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: transparent;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: border-color 200ms, color 200ms;
  z-index: 20;
}

.theme-toggle:hover,
.theme-toggle:focus-visible {
  border-color: var(--border-strong);
  color: var(--text);
}

.theme-toggle__icon {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 1.5px solid currentColor;
  position: relative;
  display: block;
}

html[data-theme="dark"] .theme-toggle__icon {
  background: currentColor;
}

/* ---------- Time-aware greeting ---------- */

.greeting {
  position: absolute;
  top: var(--space-3);
  left: var(--space-3);
  margin: 0;
  font-size: 0.78rem;
  color: var(--text-muted);
  letter-spacing: 0.01em;
  z-index: 20;
}

/* ---------- Tile popup ---------- */

.popup {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.35);
  z-index: 50;
}

.popup[hidden] {
  display: none;
}

.popup__card {
  background: var(--bg);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  padding: var(--space-3);
  max-width: 320px;
  text-align: left;
}

.popup__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.3rem;
  margin: 0 0 0.5rem;
  color: var(--text);
}

.popup__desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin: 0 0 1rem;
  line-height: 1.5;
}

.popup__link {
  font-size: 0.8rem;
  color: var(--accent);
  text-decoration: none;
}

.popup__link:hover {
  text-decoration: underline;
}

/* ---------- Shortcuts overlay ---------- */

.shortcuts {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.35);
  z-index: 50;
}

.shortcuts[hidden] {
  display: none;
}

.shortcuts__card {
  background: var(--bg);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  padding: var(--space-3);
  font-size: 0.85rem;
}

.shortcuts__row {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin: 0.5rem 0;
}

.shortcuts__row span {
  color: var(--text-muted);
}

.shortcuts__hint {
  margin-top: var(--space-2);
  color: var(--text-muted);
  font-size: 0.78rem;
}

kbd {
  font-family: var(--font-mono);
  background: var(--accent-muted);
  color: var(--bg);
  border-radius: 3px;
  padding: 0.15em 0.5em;
  font-size: 0.8rem;
  min-width: 1.6em;
  text-align: center;
}

/* ---------- Floating reveal layer ---------- */

.reveal-layer {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 40;
}

.reveal-item {
  position: absolute;
  pointer-events: auto;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--accent);
  opacity: 0;
  transition: opacity 500ms ease-out;
}

.reveal-item.is-visible {
  opacity: 1;
}

.reveal-item svg {
  width: 22px;
  height: 22px;
  stroke: currentColor;
  fill: none;
}

/* Light mode: calm bloom-in (transform/filter only — opacity is
   handled by .is-visible's transition so fade-out doesn't fight
   against an animation's forwards fill-mode) */
.reveal-item.is-entering {
  animation: reveal-bloom-light 700ms cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes reveal-bloom-light {
  0%   { transform: scale(0.4); }
  60%  { transform: scale(1.08); }
  100% { transform: scale(1); }
}

/* Dark mode: sharper ember-pop */
html[data-theme="dark"] .reveal-item.is-entering {
  animation: reveal-pop-dark 450ms cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

@keyframes reveal-pop-dark {
  0%   { transform: scale(0.3); filter: brightness(2); }
  50%  { transform: scale(1.15); filter: brightness(1.6); }
  100% { transform: scale(1); filter: brightness(1); }
}

.reveal-item.is-fading {
  opacity: 0;
}

.reveal-item.is-paused {
  transition: none;
}

/* Tooltip card shown on hover, before the item fades away.
   Default: centered above. Edge-aware modifier classes (added in JS
   based on actual position) flip the anchor so it never clips off
   the viewport near margins. */
.reveal-item__tooltip {
  position: absolute;
  bottom: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  padding: 0.6rem 0.8rem;
  width: 200px;
  font-size: 0.72rem;
  line-height: 1.45;
  color: var(--text);
  pointer-events: none;
  opacity: 0;
  transition: opacity 150ms ease-out;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
}

/* Flip below the icon when there's not enough room above */
.reveal-item__tooltip.tooltip-below {
  bottom: auto;
  top: calc(100% + 10px);
}

/* Anchor to the left edge of the icon instead of centering,
   when centered would overflow the right side of the viewport */
.reveal-item__tooltip.tooltip-align-left {
  left: 0;
  transform: none;
}

/* Anchor to the right edge of the icon instead of centering,
   when centered would overflow the left side of the viewport */
.reveal-item__tooltip.tooltip-align-right {
  left: auto;
  right: 0;
  transform: none;
}

.reveal-item__tooltip-quote {
  display: block;
  margin-top: 0.4rem;
  color: var(--text-muted);
  font-style: italic;
}

.reveal-item:hover .reveal-item__tooltip {
  opacity: 1;
}

/* ---------- Responsive: keep everything inside viewport on small screens ---------- */

@media (max-width: 640px) {
  .socials,
  .tiles {
    gap: var(--space-2);
  }

  .prompt__input {
    width: 160px;
  }
}

@media (max-height: 560px) {
  .stage {
    gap: 0.6rem;
  }

  .hero {
    width: 70vw;
  }
}