/* style.css */
/* global styles, layout, ui panel, and per-mode layer overrides */

/* ─── custom properties ───────────────────────────────────────────────────── */

:root {
  --bg: #000000;
  --brightness: 1;
  --ui-bg: rgba(10, 10, 10, 0.88);
  --ui-border: rgba(255, 255, 255, 0.08);
  --ui-text: #e0e0e0;
  --ui-text-dim: #666;
  --ui-accent: #00c4a7;
  --ui-hover: rgba(255, 255, 255, 0.06);
  --ui-radius: 10px;
  --panel-width: 580px;
  --transition: 0.2s ease;
  --font-ui: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;
}

/* ─── reset ───────────────────────────────────────────────────────────────── */

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

/* ─── base ────────────────────────────────────────────────────────────────── */

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: var(--bg);
  font-family: var(--font-ui);
  cursor: default;
}

body.cursor-hidden {
  cursor: none;
}

/* ─── brightness overlay ──────────────────────────────────────────────────── */

body::after {
  content: '';
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, calc(1 - var(--brightness)));
  pointer-events: none;
  z-index: 2;
}

/* ─── canvas layers ───────────────────────────────────────────────────────── */

#fx-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  display: none;
  z-index: 3;
}

#fx-canvas.active {
  display: block;
}

/* fire-canvas visibility is handled entirely by .mode-layer / .hidden */
#fire-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 3;
}

/* ─── mode layers ─────────────────────────────────────────────────────────── */

.mode-layer {
  position: fixed;
  inset: 0;
  z-index: 3;
}

/* needs to beat display:flex on individual mode layer ids */
.mode-layer.hidden {
  display: none !important;
}

/* ─── key light ───────────────────────────────────────────────────────────── */

#keylight-container {
  /* background set by js */
}

/* ─── terminal ────────────────────────────────────────────────────────────── */

#terminal-container {
  background: #000;
  overflow: hidden;
  padding: 24px 32px;
  display: flex;
  align-items: flex-start;
}

#terminal-output {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: clamp(11px, 1.1vw, 14px);
  line-height: 1.65;
  color: #00ff41;
  white-space: pre-wrap;
  word-break: break-all;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

/* ─── dvd ─────────────────────────────────────────────────────────────────── */

#dvd-container {
  background: #000;
}

#dvd-logo {
  position: fixed;
  width: 220px;
  height: auto;
  user-select: none;
  top: 0;
  left: 0;
}

#dvd-img {
  width: 100%;
  height: auto;
  display: block;
  /* color change applied via filter in dvd.js */
}

/* ─── dvd mode button icon ────────────────────────────────────────────────── */

.mode-btn-dvd-icon {
  width: auto;
  height: 18px;
  display: block;
  /* tinted to match inactive button color via filter */
  filter: brightness(0) invert(0.4);
  transition: filter 0.2s ease;
}

.mode-btn.active .mode-btn-dvd-icon {
  /* tinted to accent color when active */
  filter: brightness(0) saturate(100%) invert(65%) sepia(80%) saturate(400%) hue-rotate(130deg) brightness(95%);
}

.mode-btn:hover .mode-btn-dvd-icon {
  filter: brightness(0) invert(0.88);
}

/* ─── stoke button ────────────────────────────────────────────────────────── */

#stoke-btn {
  position: fixed;
  top: 28px;
  right: 28px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  background: rgba(8, 4, 1, 0.82);
  border: 1px solid rgba(255, 110, 15, 0.3);
  border-radius: 10px;
  color: rgba(255, 150, 50, 0.85);
  font-family: var(--font-ui);
  font-size: 11px;
  letter-spacing: 0.1em;
  cursor: pointer;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: background 0.2s, border-color 0.2s, opacity 0.35s, transform 0.35s;
  z-index: 10;
  opacity: 0;
  transform: translateY(-6px);
  pointer-events: none;
}

#stoke-btn svg {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
}

#stoke-btn:hover {
  background: rgba(25, 12, 2, 0.92);
  border-color: rgba(255, 140, 40, 0.55);
}

#stoke-btn:active {
  transform: scale(0.96) translateY(-2px);
}

/* show only when ui is active AND fire mode - fire mode class set by main.js */
body.ui-active.mode-fire #stoke-btn {
  opacity: 1;
  transform: translateY(0);
  pointer-events: all;
}

/* ─── ui panel ────────────────────────────────────────────────────────────── */

#ui-panel {
  position: fixed;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  width: var(--panel-width);
  max-width: calc(100vw - 32px);
  z-index: 100;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease, transform 0.35s ease;
}

#ui-panel.visible {
  opacity: 1;
  pointer-events: all;
  transform: translateX(-50%) translateY(0);
}

#panel-inner {
  background: var(--ui-bg);
  border: 1px solid var(--ui-border);
  border-radius: 16px;
  padding: 16px 18px 14px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 8px 48px rgba(0,0,0,0.7), 0 0 0 1px rgba(255,255,255,0.03) inset;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* ─── wordmark ────────────────────────────────────────────────────────────── */

#wordmark-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2px;
}

#wordmark {
  font-size: 10px;
  letter-spacing: 0.22em;
  user-select: none;
  opacity: 0.5;
}

.wm-void   { color: #fff; }
.wm-screen { color: var(--ui-accent); }

/* ─── mode buttons ────────────────────────────────────────────────────────── */

#mode-row {
  display: flex;
  gap: 5px;
}

.mode-btn {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 8px 2px 7px;
  background: transparent;
  border: 1px solid var(--ui-border);
  border-radius: var(--ui-radius);
  color: var(--ui-text-dim);
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
  font-family: var(--font-ui);
  font-size: 9px;
  letter-spacing: 0.04em;
  white-space: nowrap;
  overflow: hidden;
}

.mode-btn svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.mode-btn:hover {
  background: var(--ui-hover);
  color: var(--ui-text);
  border-color: rgba(255,255,255,0.15);
}

.mode-btn.active {
  background: rgba(0, 196, 167, 0.12);
  border-color: var(--ui-accent);
  color: var(--ui-accent);
}

/* ─── control groups ──────────────────────────────────────────────────────── */

.control-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.control-group.hidden {
  display: none;
}

.ctrl-label {
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--ui-text-dim);
  text-transform: uppercase;
  white-space: nowrap;
  min-width: 72px;
  user-select: none;
}

.ctrl-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.ctrl-slider-wrap {
  flex: 1;
}

.ctrl-readout {
  font-size: 11px;
  color: var(--ui-text-dim);
  min-width: 46px;
  text-align: right;
  font-variant-numeric: tabular-nums;
}

/* ─── color swatches ──────────────────────────────────────────────────────── */

#swatch-row {
  display: flex;
  gap: 6px;
  align-items: center;
  flex-wrap: wrap;
}

.swatch {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, border-color 0.15s ease;
  flex-shrink: 0;
  position: relative;
}

.swatch:hover  { transform: scale(1.15); }

.swatch.active {
  border-color: #fff;
  box-shadow: 0 0 0 1px rgba(255,255,255,0.3);
}

.swatch[data-color="#ffffff"] {
  border-color: rgba(255,255,255,0.25);
}

.custom-swatch {
  background: conic-gradient(#f00, #ff0, #0f0, #0ff, #00f, #f0f, #f00);
  display: flex;
  align-items: center;
  justify-content: center;
}

.custom-swatch input[type="color"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  width: 100%;
  height: 100%;
  cursor: pointer;
  border: none;
  padding: 0;
}

.picker-icon {
  width: 14px;
  height: 14px;
  pointer-events: none;
}

/* ─── brightness slider ───────────────────────────────────────────────────── */

#brightness-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

#brightness-track { flex: 1; }

#brightness-val {
  font-size: 11px;
  color: var(--ui-text-dim);
  min-width: 38px;
  text-align: right;
  font-variant-numeric: tabular-nums;
}

/* ─── key light presets ───────────────────────────────────────────────────── */

#keylight-presets {
  display: flex;
  gap: 5px;
  flex-wrap: wrap;
}

.kl-preset {
  padding: 4px 9px;
  background: transparent;
  border: 1px solid var(--ui-border);
  border-radius: 6px;
  color: var(--ui-text-dim);
  font-family: var(--font-ui);
  font-size: 10px;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
  white-space: nowrap;
}

.kl-preset:hover {
  background: var(--ui-hover);
  color: var(--ui-text);
}

.kl-preset.active {
  background: rgba(0, 196, 167, 0.12);
  border-color: var(--ui-accent);
  color: var(--ui-accent);
}

/* ─── range inputs ────────────────────────────────────────────────────────── */

input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 4px;
  background: rgba(255,255,255,0.12);
  border-radius: 2px;
  cursor: pointer;
  outline: none;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--ui-accent);
  cursor: pointer;
  transition: transform 0.15s ease;
}

input[type="range"]::-webkit-slider-thumb:hover { transform: scale(1.2); }

input[type="range"]::-moz-range-thumb {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--ui-accent);
  border: none;
  cursor: pointer;
}

/* ─── dvd size buttons ───────────────────────────────────────────────────── */

#dvd-size-btns {
  display: flex;
  gap: 5px;
  flex-wrap: wrap;
}

#dvd-size-btns .zoom-btn {
  font-size: 10px;
  padding: 4px 10px;
  border-radius: 6px;
}

/* ─── matrix / terminal color swatches ───────────────────────────────────── */

#matrix-swatch-row, #terminal-swatch-row {
  display: flex;
  gap: 6px;
}

.m-swatch {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--c);
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, border-color 0.15s ease;
}

.m-swatch:hover  { transform: scale(1.15); }
.m-swatch.active { border-color: #fff; }

/* ─── star extras checkboxes ──────────────────────────────────────────────── */

#star-extras {
  display: flex;
  gap: 14px;
}

.check-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 10px;
  color: var(--ui-text-dim);
  cursor: pointer;
  user-select: none;
  letter-spacing: 0.06em;
  transition: color 0.15s;
}

.check-label:hover { color: var(--ui-text); }

.check-label input[type="checkbox"] {
  -webkit-appearance: none;
  appearance: none;
  width: 14px;
  height: 14px;
  border: 1px solid var(--ui-border);
  border-radius: 3px;
  background: transparent;
  cursor: pointer;
  position: relative;
  flex-shrink: 0;
  transition: background 0.15s, border-color 0.15s;
}

.check-label input[type="checkbox"]:checked {
  background: var(--ui-accent);
  border-color: var(--ui-accent);
}

.check-label input[type="checkbox"]:checked::after {
  content: '';
  position: absolute;
  left: 3px; top: 1px;
  width: 5px; height: 8px;
  border: 2px solid #000;
  border-top: none;
  border-left: none;
  transform: rotate(45deg);
}


/* ─── fullscreen button ───────────────────────────────────────────────────── */

#fullscreen-btn {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 26px;
  height: 26px;
  background: transparent;
  border: none;
  color: var(--ui-text-dim);
  cursor: pointer;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 5px;
  transition: color var(--transition), background var(--transition);
}

#fullscreen-btn:hover {
  color: var(--ui-text);
  background: var(--ui-hover);
}

#fullscreen-btn svg {
  width: 14px;
  height: 14px;
}

/* ─── hide hint ───────────────────────────────────────────────────────────── */

#hide-hint,
#fs-hint {
  position: fixed;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-ui);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: rgba(255,255,255,0.15);
  text-transform: uppercase;
  pointer-events: none;
  z-index: 99;
  opacity: 1;
  transition: opacity 1s ease;
  user-select: none;
}

#hide-hint {
  top: 50%;
  transform: translate(-50%, -50%);
}

#fs-hint {
  top: calc(50% + 28px);
}

#hide-hint.gone,
#fs-hint.gone { opacity: 0; }