/* ==========================================================================
   Flappy — game-specific styles
   base.css handles tokens, reset, body, Inter font, focus-visible, home-btn,
   reduced-motion. We only style the stage, HUD, overlays and skin picker.
   ========================================================================== */

:root {
  --hud-glow: 0 0 24px rgba(138, 124, 255, 0.55);
  --panel-bg: linear-gradient(180deg, rgba(20, 22, 46, 0.92), rgba(8, 10, 24, 0.92));
  --panel-border: rgba(255, 255, 255, 0.12);
}

html, body { height: 100%; }

body {
  overflow: hidden;
  background: #060611;
}

/* --- Stage / canvas --- */

.stage {
  position: fixed;
  inset: 0;
  display: block;
}

.canvas-wrap {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(ellipse at 50% 100%, rgba(138, 124, 255, 0.06), transparent 60%),
    radial-gradient(ellipse at 50% 0%, rgba(255, 255, 255, 0.04), transparent 50%),
    #060611;
}

canvas#game {
  display: block;
  width: 100%;
  height: 100%;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  touch-action: manipulation;
  user-select: none;
  -webkit-user-select: none;
  cursor: pointer;
}

/* Brief screen shake — JS toggles .shaking on .canvas-wrap */
.canvas-wrap.shaking {
  animation: stage-shake 0.45s cubic-bezier(0.36, 0.07, 0.19, 0.97);
}
@keyframes stage-shake {
  10%, 90% { transform: translate3d(-2px, 0, 0); }
  20%, 80% { transform: translate3d(3px, 0, 0); }
  30%, 50%, 70% { transform: translate3d(-5px, 1px, 0); }
  40%, 60% { transform: translate3d(5px, -1px, 0); }
}

/* Hit flash overlay — full viewport tint on hit */
.canvas-wrap::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: rgba(255, 80, 110, 0.6);
  opacity: 0;
  transition: opacity 0.18s ease-out;
  mix-blend-mode: screen;
}
.canvas-wrap.flash::after { opacity: 1; }

/* --- HUD: big centered score (positioned inside the portrait frame) --- */

.hud {
  position: absolute;
  top: 1.2rem;
  left: 0;
  right: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  pointer-events: none;
  z-index: 5;
  user-select: none;
}

.hud.hidden { opacity: 0; }

.hud-score {
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: clamp(3rem, 10vw, 5.5rem);
  color: #fff;
  letter-spacing: 0.04em;
  line-height: 1;
  text-shadow:
    0 0 18px rgba(138, 124, 255, 0.55),
    0 0 38px rgba(138, 124, 255, 0.35),
    0 4px 0 rgba(0, 0, 0, 0.55);
  transition: transform 0.18s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.hud-score.bump { transform: scale(1.25); }

.hud-best {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  color: rgba(255, 255, 255, 0.55);
  text-transform: uppercase;
}

/* --- Top bar (right-aligned controls) --- */

.topbar {
  position: absolute;
  top: 0.7rem;
  right: 0.75rem;
  display: flex;
  gap: 6px;
  z-index: 6;
}

.pill-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 1.7rem;
  padding: 0 0.65rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(6, 11, 26, 0.85);
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease, transform 0.08s ease;
  backdrop-filter: blur(6px);
}
.pill-btn:hover {
  background: rgba(40, 50, 70, 0.8);
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-1px);
}
.pill-btn.icon-only { padding: 0 0.45rem; }
.pill-btn .ic {
  width: 14px; height: 14px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.pill-btn[aria-pressed="true"] .ic { opacity: 0.45; }
.pill-btn.active {
  background: rgba(138, 124, 255, 0.2);
  border-color: rgba(138, 124, 255, 0.7);
  color: #d8d2ff;
}

/* --- Overlays (start / death / pause) --- */

.overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  z-index: 20;
  background: radial-gradient(circle at 50% 60%, rgba(0, 0, 0, 0.35), rgba(0, 0, 0, 0.7));
  backdrop-filter: blur(2px);
  animation: overlay-fade 0.3s ease;
}
.overlay.hidden { display: none; }

@keyframes overlay-fade {
  from { opacity: 0; }
  to { opacity: 1; }
}

.panel {
  position: relative;
  width: min(360px, 90vw);
  padding: 1.4rem 1.4rem 1.2rem;
  border-radius: 1.2rem;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  box-shadow:
    0 30px 60px rgba(0, 0, 0, 0.85),
    0 0 0 1px rgba(255, 255, 255, 0.03) inset,
    0 0 80px rgba(138, 124, 255, 0.18);
  text-align: center;
  animation: panel-in 0.45s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes panel-in {
  0%   { opacity: 0; transform: translateY(20px) scale(0.9); }
  60%  { opacity: 1; transform: translateY(-4px) scale(1.02); }
  100% { opacity: 1; transform: translateY(0) scale(1); }
}

.title {
  font-size: 2.3rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 0 0 4px;
  background: linear-gradient(180deg, #ffffff 0%, #c6cee6 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-shadow: 0 0 32px rgba(138, 124, 255, 0.4);
}
.title.small { font-size: 1.5rem; margin-bottom: 14px; }

.subtitle {
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 1rem;
}
.subtitle kbd {
  display: inline-block;
  padding: 1px 6px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.18);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  margin: 0 2px;
}

.overlay-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px;
  margin-bottom: 1rem;
}

.meta-pill {
  display: inline-block;
  padding: 4px 10px;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 999px;
}
.meta-pill.accent {
  color: #d8d2ff;
  background: rgba(138, 124, 255, 0.18);
  border-color: rgba(138, 124, 255, 0.5);
}

/* Play / retry buttons */

.play-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  padding: 0.75rem 1.2rem;
  border-radius: 999px;
  border: none;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #fff;
  background: linear-gradient(180deg, #9b8aff 0%, #5a47e0 100%);
  box-shadow:
    0 8px 24px rgba(90, 71, 224, 0.5),
    0 0 0 1px rgba(255, 255, 255, 0.1) inset;
  cursor: pointer;
  transition: transform 0.1s ease, box-shadow 0.2s ease, filter 0.2s ease;
  margin-bottom: 8px;
}
.play-btn:hover {
  transform: translateY(-2px);
  filter: brightness(1.1);
  box-shadow:
    0 12px 32px rgba(90, 71, 224, 0.65),
    0 0 0 1px rgba(255, 255, 255, 0.15) inset;
}
.play-btn:active { transform: translateY(0); }
.play-btn .ic { width: 16px; height: 16px; fill: currentColor; stroke: none; }

.ghost-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  padding: 0.55rem 1rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, transform 0.08s ease;
}
.ghost-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(138, 124, 255, 0.5);
  transform: translateY(-1px);
}
.ghost-btn .ic {
  width: 14px; height: 14px;
  stroke: currentColor; fill: none;
  stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round;
}

/* --- Death panel specifics --- */

.death-label {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: #ff7894;
  margin-bottom: 1rem;
  text-shadow: 0 0 16px rgba(255, 120, 148, 0.6);
}

.death-scores {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 1rem;
}

.ds-block {
  position: relative;
  padding: 0.8rem 0.7rem;
  border-radius: 0.8rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.ds-label {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 2px;
}

.ds-val {
  font-size: 2rem;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  color: #fff;
  line-height: 1;
}

.ds-medal {
  position: absolute;
  top: 6px;
  right: 8px;
  font-size: 1.4rem;
  filter: drop-shadow(0 0 8px currentColor);
}
.ds-medal.bronze { color: #cd7f32; }
.ds-medal.silver { color: #c0c0c0; }
.ds-medal.gold   { color: #ffcf40; }
.ds-medal.plat   { color: #e0d4ff; }

/* New-best ribbon — JS toggles .new-best on the Best block */
.ds-block.new-best {
  background: linear-gradient(180deg, rgba(255, 207, 64, 0.18), rgba(255, 207, 64, 0.06));
  border-color: rgba(255, 207, 64, 0.5);
  box-shadow: 0 0 24px rgba(255, 207, 64, 0.25);
  animation: best-glow 1.6s ease-in-out infinite;
}
.ds-block.new-best .ds-val {
  background: linear-gradient(180deg, #ffe58e 0%, #ffb347 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.ds-block.new-best::before {
  content: "NEW";
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.6rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  padding: 3px 8px;
  border-radius: 999px;
  background: linear-gradient(180deg, #ffe58e, #ffb347);
  color: #4a2a00;
  box-shadow: 0 4px 12px rgba(255, 179, 71, 0.5);
}
@keyframes best-glow {
  0%, 100% { box-shadow: 0 0 18px rgba(255, 207, 64, 0.25); }
  50% { box-shadow: 0 0 32px rgba(255, 207, 64, 0.45); }
}

/* --- Skin picker modal --- */

.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(4px);
  padding: 1rem;
  animation: overlay-fade 0.25s ease;
}
.modal-overlay[hidden] { display: none; }

.modal {
  width: min(440px, 95vw);
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  padding: 1.1rem 1.1rem 1rem;
  border-radius: 1.1rem;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  box-shadow:
    0 30px 60px rgba(0, 0, 0, 0.9),
    0 0 80px rgba(138, 124, 255, 0.15);
  animation: panel-in 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}
.modal-header h2 {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  margin: 0;
}
.modal-close {
  border: none;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  padding: 4px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s ease, color 0.15s ease;
}
.modal-close:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
}
.modal-close .ic {
  width: 18px; height: 18px;
  stroke: currentColor; fill: none;
  stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round;
}

.modal-sub {
  font-size: 0.78rem;
  color: var(--muted);
  margin-bottom: 12px;
}

.skin-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  overflow-y: auto;
  padding: 4px;
}

.skin-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 12px 8px 10px;
  border-radius: 0.85rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, transform 0.08s ease;
  text-align: center;
}
.skin-card:hover:not(.locked) {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(138, 124, 255, 0.4);
  transform: translateY(-1px);
}
.skin-card.selected {
  background: rgba(138, 124, 255, 0.18);
  border-color: rgba(138, 124, 255, 0.7);
  box-shadow: 0 0 18px rgba(138, 124, 255, 0.35);
}
.skin-card.locked {
  cursor: default;
  opacity: 0.55;
}

.skin-card canvas {
  width: 64px;
  height: 48px;
  display: block;
}

.skin-name {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--text);
}

.skin-req {
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}
.skin-card.selected .skin-req { color: #d8d2ff; }
.skin-card.locked .skin-req { color: #ff8aa3; }

.skin-card.selected::after {
  content: "✓";
  position: absolute;
  top: 6px;
  right: 8px;
  width: 18px; height: 18px;
  background: linear-gradient(180deg, #9b8aff, #5a47e0);
  border-radius: 999px;
  color: #fff;
  font-size: 0.7rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.5);
}

.skin-card.locked::after {
  content: "🔒";
  position: absolute;
  top: 6px;
  right: 8px;
  font-size: 0.85rem;
  filter: grayscale(0.5);
}

/* --- Responsive --- */

@media (max-width: 600px) {
  .topbar { top: 0.55rem; right: 0.55rem; gap: 5px; }
  .pill-btn { height: 1.55rem; font-size: 0.68rem; padding: 0 0.55rem; }

  .panel { padding: 1.2rem 1.1rem 1rem; }
  .title { font-size: 1.9rem; }
  .play-btn { padding: 0.65rem 1rem; font-size: 0.88rem; }
  .ghost-btn { font-size: 0.78rem; }
  .ds-val { font-size: 1.7rem; }

  .skin-grid { grid-template-columns: repeat(2, 1fr); }
}

/* Push HUD down so it doesn't collide with home button on small screens */
@media (max-width: 480px) {
  .hud { top: 2.8rem; }
}