/**
 * glass.css
 * Reusable glass/neon surface primitives: panels, cards, buttons, inputs.
 * These are visual primitives only — no layout positioning, no
 * page-specific rules. Components compose these classes.
 *
 * Signature element: corner HUD brackets (".hud-frame") on the primary
 * card surface — four short neon corner marks that appear on hover,
 * evoking a targeting/scan reticle rather than a generic glow border.
 * This is the one recurring motif tying the whole UI to its cyberpunk
 * premise, used sparingly (cards + modals only).
 */

.glass-panel {
  background: var(--bg-elevated);
  backdrop-filter: blur(var(--blur-glass));
  -webkit-backdrop-filter: blur(var(--blur-glass));
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-elevated);
}

@supports not (backdrop-filter: blur(1px)) {
  .glass-panel {
    background: var(--bg-elevated-solid);
  }
}

.glass-card {
  position: relative;
  background: var(--bg-elevated);
  backdrop-filter: blur(var(--blur-glass));
  -webkit-backdrop-filter: blur(var(--blur-glass));
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform var(--duration-base) var(--ease-standard),
              border-color var(--duration-base) var(--ease-standard),
              box-shadow var(--duration-base) var(--ease-standard);
}

.glass-card:hover,
.glass-card:focus-within {
  transform: translateY(-4px);
  border-color: var(--border-glass-hover);
  box-shadow: var(--glow-cyan);
  z-index: var(--z-card-hover);
}

/* ---- Signature: HUD corner brackets ---- */
.hud-frame::before,
.hud-frame::after,
.hud-frame > .hud-corner-br,
.hud-frame > .hud-corner-bl {
  content: '';
  position: absolute;
  width: 18px;
  height: 18px;
  border: 2px solid var(--neon-cyan);
  opacity: 0;
  transition: opacity var(--duration-fast) var(--ease-standard);
  pointer-events: none;
}

.hud-frame::before { top: 6px; left: 6px; border-right: none; border-bottom: none; }
.hud-frame::after { top: 6px; right: 6px; border-left: none; border-bottom: none; }

.hud-frame:hover::before,
.hud-frame:hover::after,
.hud-frame:focus-within::before,
.hud-frame:focus-within::after {
  opacity: 1;
}

/* ---- Buttons ---- */
.btn {
  font-family: var(--font-body);
  font-size: var(--fs-sm);
  font-weight: 600;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-standard);
}

.btn-primary {
  background: transparent;
  border-color: var(--neon-cyan);
  color: var(--neon-cyan);
}

.btn-primary:hover {
  background: rgba(0, 246, 255, 0.1);
  box-shadow: var(--glow-cyan);
}

.btn-accent {
  background: transparent;
  border-color: var(--neon-magenta);
  color: var(--neon-magenta);
}

.btn-accent:hover {
  background: rgba(255, 47, 208, 0.1);
  box-shadow: var(--glow-magenta);
}

.btn-ghost {
  background: transparent;
  border-color: var(--border-glass);
  color: var(--text-secondary);
}

.btn-ghost:hover {
  border-color: var(--text-secondary);
  color: var(--text-primary);
}

/* ---- Inputs ---- */
.input-glass {
  background: var(--bg-surface);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  padding: var(--space-2) var(--space-3);
  font-family: var(--font-body);
  font-size: var(--fs-base);
  transition: border-color var(--duration-fast) var(--ease-standard);
}

.input-glass:focus {
  outline: none;
  border-color: var(--neon-cyan);
  box-shadow: 0 0 0 3px rgba(0, 246, 255, 0.15);
}

/* ---- Badges (status, genre, tag chips) ---- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--fs-xs);
  font-weight: 600;
  padding: 2px var(--space-2);
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-glass);
  color: var(--text-secondary);
}

.badge-favorite {
  border-color: var(--neon-magenta);
  color: var(--neon-magenta);
}