/* ==========================================
   Hollow Knight Web — style.css
   Dark atmospheric theme
   ========================================== */

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

:root {
  --bg:       #05080a;
  --bg2:      #0a0f14;
  --card:     #0c1218;
  --border:   rgba(180,140,255,0.10);
  --accent:   #b48cff;
  --accent2:  #6a3fff;
  --gold:     #e8c87a;
  --gold2:    #c49a30;
  --green:    #5de8a0;
  --red:      #e85d5d;
  --text:     #dde8ff;
  --muted:    #4a5870;
  --radius:   18px;
  --shadow:   0 12px 60px rgba(0,0,0,0.8);
}

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

/* ── Background ── */
.bg-layer {
  position: fixed; inset: 0; z-index: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(100,60,200,0.10) 0%, transparent 60%),
    radial-gradient(ellipse 50% 80% at 10% 100%, rgba(40,20,100,0.15) 0%, transparent 60%),
    radial-gradient(ellipse 60% 40% at 90% 60%, rgba(60,30,150,0.08) 0%, transparent 50%);
}
.vignette {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background: radial-gradient(ellipse 100% 100% at 50% 50%, transparent 40%, rgba(0,0,0,0.7) 100%);
}
.particles {
  position: fixed; inset: 0; z-index: 0; pointer-events: none; overflow: hidden;
}
.particle {
  position: absolute;
  border-radius: 50%;
  animation: float var(--dur,6s) ease-in-out infinite;
  opacity: 0;
}
@keyframes float {
  0%   { transform: translateY(0) scale(0.5); opacity: 0; }
  30%  { opacity: var(--op, 0.5); }
  70%  { opacity: var(--op, 0.5); }
  100% { transform: translateY(-120px) scale(1.2); opacity: 0; }
}

/* ── Layout ── */
.container {
  position: relative; z-index: 1;
  max-width: 820px; margin: 0 auto;
  padding: 24px 16px 48px;
  display: flex; flex-direction: column; gap: 24px;
}

/* ── Header ── */
.header {
  display: flex; align-items: center;
  justify-content: space-between; flex-wrap: wrap; gap: 12px;
  padding: 20px 28px;
  background: linear-gradient(135deg, rgba(100,60,200,0.10), rgba(180,140,255,0.06));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  backdrop-filter: blur(16px);
}
.logo-wrap { display: flex; align-items: center; gap: 16px; }
.logo-bug {
  font-size: 2.8rem;
  filter: drop-shadow(0 0 20px rgba(180,140,255,0.7));
  animation: bugFloat 3s ease-in-out infinite;
}
@keyframes bugFloat {
  0%,100% { transform: translateY(0); }
  50%      { transform: translateY(-6px); }
}
.logo-title {
  font-family: 'Cinzel', serif;
  font-size: clamp(1rem, 4vw, 1.7rem);
  font-weight: 900;
  letter-spacing: 0.12em;
  background: linear-gradient(135deg, var(--gold), var(--accent));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.logo-sub { font-size: 0.72rem; color: var(--muted); margin-top: 4px; letter-spacing: 0.06em; }

.badges { display: flex; gap: 8px; flex-wrap: wrap; }
.badge {
  padding: 4px 12px; border-radius: 20px;
  font-size: 0.68rem; font-weight: 600; letter-spacing: 0.06em;
}
.badge-gold   { background: rgba(232,200,122,0.12); color: var(--gold);   border: 1px solid rgba(232,200,122,0.25); }
.badge-blue   { background: rgba(93,180,232,0.10);  color: #8dc8ff;        border: 1px solid rgba(93,180,232,0.20); }
.badge-purple { background: rgba(180,140,255,0.10); color: var(--accent);  border: 1px solid rgba(180,140,255,0.22); }

/* ── Card ── */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 44px 40px;
  box-shadow: var(--shadow);
  min-height: 440px;
  display: flex; align-items: center; justify-content: center;
}

/* ── Steps ── */
.step {
  display: none;
  flex-direction: column; align-items: center;
  text-align: center; gap: 20px; width: 100%;
  animation: stepIn 0.4s ease;
}
.step.active { display: flex; }
@keyframes stepIn {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

.step h2 {
  font-family: 'Cinzel', serif;
  font-size: clamp(1.3rem, 3.5vw, 1.9rem);
  font-weight: 700;
  background: linear-gradient(135deg, #fff 40%, var(--accent));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  letter-spacing: 0.04em;
}
.step-desc { color: var(--muted); font-size: 0.92rem; line-height: 1.75; max-width: 520px; }

/* ── Hero ── */
.step-hero { position: relative; width: 100px; height: 100px; margin-bottom: 6px; }
.hero-icon {
  position: relative; z-index: 1;
  font-size: 4rem; line-height: 100px; text-align: center;
  width: 100px;
  filter: drop-shadow(0 0 20px rgba(180,140,255,0.5));
  animation: bugFloat 3s ease-in-out infinite;
}
.hero-icon.ready { filter: drop-shadow(0 0 30px rgba(232,200,122,0.7)); }
.hero-glow {
  position: absolute; inset: -20px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(180,140,255,0.25) 0%, transparent 70%);
  animation: glowPulse 3s ease-in-out infinite;
}
.gold-glow { background: radial-gradient(circle, rgba(232,200,122,0.3) 0%, transparent 70%); }
@keyframes glowPulse { 0%,100% { transform: scale(0.9); opacity: 0.7; } 50% { transform: scale(1.1); opacity: 1; } }

/* ── Step Icons ── */
.step-icon {
  font-size: 3.5rem; line-height: 1;
  filter: drop-shadow(0 0 16px rgba(180,140,255,0.4));
}
.anim-float { animation: bugFloat 2s ease-in-out infinite; }
.anim-spin  { animation: spin 2s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Info Grid ── */
.info-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px;
  width: 100%; max-width: 560px;
}
.info-item {
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  padding: 14px 6px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border); border-radius: 12px;
  transition: border-color 0.2s;
}
.info-item:hover { border-color: rgba(180,140,255,0.3); }
.info-icon { font-size: 1.3rem; }
.info-label { font-size: 0.6rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.07em; }
.info-val   { font-size: 0.75rem; font-weight: 600; color: var(--accent); }

/* ── Buttons ── */
.btn-row { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; }
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 34px; border-radius: 12px;
  font-size: 0.95rem; font-weight: 600; cursor: pointer;
  border: none; transition: all 0.25s; letter-spacing: 0.03em;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent2), var(--accent));
  color: white;
  box-shadow: 0 4px 24px rgba(106,63,255,0.45);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(106,63,255,0.6);
}
.btn-launch {
  background: linear-gradient(135deg, var(--gold2), var(--gold));
  color: #1a1000;
  font-family: 'Cinzel', serif;
  font-size: 1.1rem; font-weight: 700;
  padding: 18px 44px;
  box-shadow: 0 4px 28px rgba(196,154,48,0.5);
}
.btn-launch:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 40px rgba(196,154,48,0.7);
}
.btn-outline {
  background: transparent;
  color: var(--accent); border: 1.5px solid var(--accent);
}
.btn-outline:hover { background: rgba(180,140,255,0.08); }
.link-btn {
  background: none; border: none; color: var(--accent);
  cursor: pointer; font-size: inherit; text-decoration: underline;
}

/* ── Progress ── */
.progress-wrap { width: 100%; max-width: 580px; }
.progress-bar-bg {
  height: 8px; border-radius: 8px;
  background: rgba(255,255,255,0.05); overflow: hidden;
  border: 1px solid rgba(255,255,255,0.07);
  position: relative;
}
.progress-bar {
  height: 100%; border-radius: 8px;
  background: linear-gradient(90deg, var(--accent2), var(--accent));
  transition: width 0.35s ease;
  box-shadow: 0 0 14px rgba(180,140,255,0.6);
  position: relative; overflow: hidden;
}
.progress-bar.gold {
  background: linear-gradient(90deg, var(--gold2), var(--gold));
  box-shadow: 0 0 14px rgba(232,200,122,0.5);
}
.progress-shine {
  position: absolute; inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.25), transparent);
  animation: shine 1.8s infinite;
}
@keyframes shine {
  from { transform: translateX(-100%); }
  to   { transform: translateX(200%); }
}
.progress-labels {
  display: flex; justify-content: space-between;
  font-size: 0.72rem; color: var(--muted); margin-top: 6px;
}

/* ── Chunk Grid ── */
.chunk-grid {
  display: flex; flex-wrap: wrap; gap: 4px;
  max-width: 580px; justify-content: center;
}
.chunk-dot {
  width: 10px; height: 10px; border-radius: 3px;
  background: rgba(255,255,255,0.05);
  transition: all 0.25s;
}
.chunk-dot.done   { background: var(--green); box-shadow: 0 0 5px rgba(93,232,160,0.5); }
.chunk-dot.active { background: var(--accent); box-shadow: 0 0 5px rgba(180,140,255,0.6); animation: dotPulse 0.8s ease infinite; }
.chunk-dot.error  { background: var(--red); }
@keyframes dotPulse { 0%,100% { opacity: 1; } 50% { opacity: 0.3; } }

/* ── DL Stats ── */
.dl-stats {
  display: grid; grid-template-columns: repeat(4,1fr); gap: 10px;
  width: 100%; max-width: 580px;
}
.stat-item {
  display: flex; flex-direction: column; align-items: center; gap: 3px;
  padding: 10px 6px; background: rgba(255,255,255,0.03);
  border-radius: 10px; border: 1px solid var(--border);
}
.stat-icon  { font-size: 1rem; }
.stat-label { font-size: 0.58rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; }
.stat-val   { font-size: 0.8rem; font-weight: 700; color: var(--text); }

/* ── Log Box ── */
.log-box {
  width: 100%; max-width: 580px; max-height: 180px;
  overflow-y: auto; background: rgba(0,0,0,0.4);
  border: 1px solid var(--border); border-radius: 10px;
  padding: 12px 16px; font-family: 'Courier New', monospace; font-size: 0.75rem;
  color: var(--green); line-height: 1.8; text-align: left;
}
.log-box::-webkit-scrollbar { width: 4px; }
.log-box::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
.log-line { animation: stepIn 0.15s ease; }
.log-line.warn  { color: var(--gold); }
.log-line.error { color: var(--red); }

/* ── Hint ── */
.hint { font-size: 0.78rem; color: var(--muted); }
.cached-hint { color: var(--green); }

/* ── Game Wrap ── */
.game-wrap {
  position: fixed; inset: 0; z-index: 200;
  background: #000;
  display: flex; flex-direction: column;
}
.game-toolbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 8px 16px; background: var(--bg2);
  border-bottom: 1px solid var(--border); flex-shrink: 0;
}
.game-title { font-family: 'Cinzel', serif; font-weight: 700; font-size: 0.9rem; color: var(--gold); }
.game-controls { display: flex; align-items: center; gap: 8px; }
.fps-badge {
  font-family: monospace; font-size: 0.72rem;
  padding: 3px 8px; border-radius: 6px;
  background: rgba(93,232,160,0.12); color: var(--green);
  border: 1px solid rgba(93,232,160,0.25);
}
.ctrl-btn {
  padding: 6px 14px; border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--card); color: var(--text);
  cursor: pointer; font-size: 0.95rem; transition: all 0.2s;
}
.ctrl-btn:hover { background: rgba(255,255,255,0.06); border-color: var(--accent); }
.ctrl-btn.danger:hover { border-color: var(--red); color: var(--red); }

#screen-container {
  flex: 1; display: flex; align-items: center; justify-content: center;
  overflow: hidden; background: #000;
}
#game-canvas { max-width: 100%; max-height: 100%; display: block; }

.game-status-bar {
  display: flex; gap: 20px; align-items: center;
  padding: 5px 16px;
  background: var(--bg); border-top: 1px solid var(--border);
  font-size: 0.7rem; color: var(--muted); font-family: monospace;
  flex-shrink: 0;
}

/* ── Footer ── */
.footer { text-align: center; font-size: 0.7rem; color: var(--muted); }

/* ── Responsive ── */
@media (max-width: 560px) {
  .card { padding: 28px 18px; }
  .info-grid { grid-template-columns: 1fr 1fr; }
  .dl-stats  { grid-template-columns: 1fr 1fr; }
  .header { flex-direction: column; align-items: flex-start; }
}