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

:root {
  --gold: #f5c518;
  --gold-light: #ffe566;
  --gold-dim: #b8940f;
  --text: #f4f4f5;
  --text-muted: #a1a1aa;
  --header-h: 3.5rem;
  --font-display: "Bebas Neue", sans-serif;
  --font-body: "DM Sans", system-ui, sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

html {
  scrollbar-width: thin;
  scrollbar-color: #d4a80a #141414;
}

html::-webkit-scrollbar {
  width: 12px;
}

html::-webkit-scrollbar-track {
  background: #141414;
}

html::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, #f5c518 0%, #a88608 100%);
  border-radius: 6px;
  border: 3px solid #141414;
}

html::-webkit-scrollbar-thumb:hover {
  background: #f5c518;
}

body {
  background: #0a0a0a;
  min-height: 100vh;
  overflow-anchor: none;
  font-family: var(--font-body);
  color: var(--text);
}

/* ── Header ── */

.comic-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0 1.25rem;
  background: rgba(8, 8, 10, 0.82);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(245, 197, 24, 0.16);
}

.comic-header__back {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  flex-shrink: 0;
  padding: 0.4rem 0.75rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--text-muted);
  border: 1px solid rgba(245, 197, 24, 0.22);
  border-radius: 0.35rem;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}

.comic-header__back:hover {
  color: var(--gold);
  border-color: var(--gold);
  background: rgba(245, 197, 24, 0.08);
}

.comic-header__title {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  text-align: center;
  font-family: var(--font-display);
  font-size: 1.25rem;
  letter-spacing: 0.05em;
  background: linear-gradient(135deg, var(--text) 0%, var(--gold-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.comic-header__brand {
  flex-shrink: 0;
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: 0.06em;
  color: var(--gold);
  text-decoration: none;
  transition: opacity 0.2s;
}

.comic-header__brand:hover {
  opacity: 0.85;
}

/* ── Stage / viewer ── */

.stage {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  min-height: 100vh;
  padding-top: var(--header-h);
  background: #0a0a0a;
}

.zoom-shell {
  width: min(100vw, 52rem);
}

.zoom-scaler {
  transform-origin: top center;
  will-change: transform;
}

#comic {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  gap: 0.85rem;
  padding-block: 0.85rem;
}

#comic canvas,
#comic img,
#comic .comic-page {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 2px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.55);
}

/* ── Loading / error status ── */

.comic-status {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  padding: 4rem 1.5rem;
  text-align: center;
}

.comic-status--hidden {
  display: none;
}

.comic-status__spinner {
  width: 2.5rem;
  height: 2.5rem;
  border: 3px solid rgba(245, 197, 24, 0.2);
  border-top-color: var(--gold);
  border-radius: 50%;
  animation: comic-spin 0.8s linear infinite;
}

.comic-status--error .comic-status__spinner {
  display: none;
}

.comic-status__text {
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.comic-status__link {
  color: var(--gold);
  font-weight: 700;
}

@keyframes comic-spin {
  to { transform: rotate(360deg); }
}

/* ── Zoom controls ── */

.zoom-controls {
  display: none;
  position: fixed;
  bottom: 1.25rem;
  right: 1.25rem;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.5rem;
  background: rgba(20, 20, 20, 0.85);
  border: 1px solid rgba(245, 197, 24, 0.25);
  border-radius: 0.4rem;
  backdrop-filter: blur(8px);
  z-index: 10;
  user-select: none;
}

@media (min-width: 768px) and (pointer: fine) {
  .zoom-controls {
    display: flex;
  }
}

.zoom-controls button {
  width: 2rem;
  height: 2rem;
  font-size: 1.1rem;
  line-height: 1;
  color: #f5c518;
  background: transparent;
  border: 1px solid rgba(245, 197, 24, 0.3);
  border-radius: 0.25rem;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}

.zoom-controls button:hover {
  background: rgba(245, 197, 24, 0.12);
  border-color: #f5c518;
}

.zoom-controls button:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

#zoom-label {
  min-width: 3rem;
  text-align: center;
  font-size: 0.75rem;
  font-weight: 600;
  color: #a1a1aa;
  font-family: system-ui, sans-serif;
}