/* ============================================================
   ARCANE SPELL GENERATOR — Stylesheet
============================================================ */

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

:root {
  --bg-deep:    #07070f;
  --bg-card:    #0d0d1e;
  --border:     rgba(255,255,255,0.07);
  --teal:       #00ffc8;
  --text:       #ddd8cc;
  --text-dim:   #7a7570;
  --font-title: 'Cinzel Decorative', serif;
  --font-ui:    'Cinzel', serif;
  --font-body:  'EB Garamond', serif;
}

html, body {
  min-height: 100vh;
  background: var(--bg-deep);
  color: var(--text);
  font-family: var(--font-body);
  overflow-x: hidden;
}

/* ── Background Orbs ── */
.bg-orbs { position: fixed; inset: 0; pointer-events: none; z-index: 0; }
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.18;
  animation: drift 20s ease-in-out infinite alternate;
}
.orb-1 { width: 500px; height: 500px; background: #1a0040; top: -100px; left: -100px; animation-duration: 18s; }
.orb-2 { width: 400px; height: 400px; background: #003830; bottom: -80px; right: -80px; animation-duration: 24s; }
.orb-3 { width: 300px; height: 300px; background: #002050; top: 40%; left: 40%; animation-duration: 15s; }

@keyframes drift {
  from { transform: translate(0, 0) scale(1); }
  to   { transform: translate(40px, 30px) scale(1.1); }
}

/* ── Container ── */
.container {
  position: relative;
  z-index: 1;
  max-width: 1000px;
  margin: 0 auto;
  padding: 3rem 1.5rem 4rem;
}

/* ── Header ── */
.page-header {
  text-align: center;
  margin-bottom: 3rem;
}
.rune-row {
  font-family: var(--font-ui);
  color: var(--teal);
  opacity: 0.4;
  letter-spacing: 0.6em;
  font-size: 0.75rem;
  margin-bottom: 1rem;
}
h1 {
  font-family: var(--font-title);
  font-size: clamp(1.6rem, 4vw, 2.6rem);
  font-weight: 700;
  color: #fff;
  text-shadow: 0 0 40px rgba(0,255,200,0.25);
  letter-spacing: 0.05em;
  margin-bottom: 0.6rem;
}
.lead {
  font-family: var(--font-body);
  font-style: italic;
  color: var(--text-dim);
  font-size: 1.05rem;
}

/* ── Grimoire Layout ── */
.grimoire-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  grid-template-rows: 1fr auto;
  gap: 1.5rem;
  align-items: start;
  width: 100%;
}

/* Spell list: row 1, col 1 */
.spell-list {
  grid-column: 1;
  grid-row: 1;
}

/* Spell display: spans both rows in col 2 */
.spell-display {
  grid-column: 2;
  grid-row: 1 / span 2;
}

@media (max-width: 680px) {
  .grimoire-layout {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
  }
  .spell-list, .spell-display {
    grid-column: 1;
    grid-row: auto;
  }
}

/* ── Spell List ── */
.spell-list {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}
.spell-list-header {
  font-family: var(--font-ui);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--teal);
  opacity: 0.6;
  padding: 0.9rem 1.1rem 0.6rem;
  border-bottom: 1px solid var(--border);
}
.spell-btn {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  width: 100%;
  background: none;
  border: none;
  border-bottom: 1px solid var(--border);
  padding: 0.85rem 1.1rem;
  cursor: pointer;
  text-align: left;
  transition: background 0.2s;
  color: var(--text);
}
.spell-btn:last-child { border-bottom: none; }
.spell-btn:hover { background: rgba(255,255,255,0.04); }
.spell-btn.active {
  background: rgba(0,255,200,0.07);
  box-shadow: inset 3px 0 0 var(--teal);
}
.spell-icon {
  font-size: 1.1rem;
  width: 24px;
  text-align: center;
  flex-shrink: 0;
}
.spell-info { display: flex; flex-direction: column; gap: 1px; }
.spell-name {
  font-family: var(--font-ui);
  font-size: 0.78rem;
  font-weight: 600;
  color: #eee;
  letter-spacing: 0.04em;
}
.spell-sub {
  font-family: var(--font-body);
  font-style: italic;
  font-size: 0.72rem;
  color: var(--text-dim);
}

/* ── Spell Display ── */
.spell-display {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  min-height: 400px;
  display: flex;
  flex-direction: column;
}

/* ── Canvas ── */
.canvas-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 16/9;
  background: #050510;
  flex-shrink: 0;
}
#spell-canvas {
  width: 100%;
  height: 100%;
  display: block;
}
.canvas-idle {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.8rem;
  color: var(--text-dim);
  pointer-events: none;
  transition: opacity 0.4s;
}
.canvas-idle.hidden { opacity: 0; }
.idle-rune {
  font-size: 2.5rem;
  color: var(--teal);
  opacity: 0.25;
  animation: idle-pulse 3s ease-in-out infinite;
}
@keyframes idle-pulse {
  0%, 100% { opacity: 0.15; transform: scale(1); }
  50%       { opacity: 0.35; transform: scale(1.1); }
}
.canvas-idle p {
  font-family: var(--font-body);
  font-style: italic;
  font-size: 0.9rem;
}

/* ── Spell Detail ── */
.spell-detail {
  padding: 1.4rem 1.6rem 1.6rem;
  border-top: 1px solid var(--border);
  animation: detail-in 0.4s ease-out;
}
@keyframes detail-in {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}
#detail-name {
  font-family: var(--font-ui);
  font-size: 1.3rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: #fff;
  margin-bottom: 0.2rem;
}
.detail-sub {
  font-family: var(--font-body);
  font-style: italic;
  font-size: 0.9rem;
  color: var(--teal);
  opacity: 0.8;
  margin-bottom: 0.75rem;
}
.detail-desc {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text);
  opacity: 0.85;
}

/* ── Cast Random Button ── */
.cast-btn {
  grid-column: 1;
  grid-row: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  width: 100%;
  background: linear-gradient(135deg, rgba(0,255,200,0.10), rgba(0,180,140,0.05));
  border: 1px solid rgba(0,255,200,0.28);
  border-radius: 12px;
  padding: 1.1rem 1rem;
  cursor: pointer;
  color: var(--text);
  transition: background 0.2s, border-color 0.2s, transform 0.15s, box-shadow 0.2s;
  position: relative;
  overflow: hidden;
}
.cast-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 0%, rgba(0,255,200,0.15), transparent 70%);
  opacity: 0;
  transition: opacity 0.3s;
}
.cast-btn:hover {
  border-color: rgba(0,255,200,0.6);
  box-shadow: 0 0 24px rgba(0,255,200,0.15);
  transform: translateY(-1px);
}
.cast-btn:hover::before { opacity: 1; }
.cast-btn:active { transform: scale(0.97); }
.cast-btn.firing {
  animation: cast-pulse 0.5s ease-out;
}
@keyframes cast-pulse {
  0%   { box-shadow: 0 0 0 rgba(0,255,200,0.4); }
  50%  { box-shadow: 0 0 32px rgba(0,255,200,0.5); }
  100% { box-shadow: 0 0 0 rgba(0,255,200,0); }
}
.cast-btn-rune {
  font-size: 1.6rem;
  color: var(--teal);
  display: block;
  animation: rune-spin 6s linear infinite;
}
@keyframes rune-spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}
.cast-btn-label {
  font-family: var(--font-ui);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--teal);
}
.cast-btn-sub {
  font-family: var(--font-body);
  font-style: italic;
  font-size: 0.7rem;
  color: var(--text-dim);
}