/* slope.css — Slope puzzle game styles */

/* ── Body / background ────────────────────────────────────────────────────── */
body {
  background: #0A0A0A;
  background-image: radial-gradient(ellipse at 30% 20%, #1A1A1A 0%, #0A0A0A 60%);
  color: #F5F0E8;
}

#header {
  background: #050505;
  border-bottom-color: #1A1A1A;
}

/* ── Splash ───────────────────────────────────────────────────────────────── */
#slp-splash {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px 24px;
  overflow-y: auto;
}

.slp-splash-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  max-width: 360px;
  width: 100%;
  text-align: center;
}

.slp-splash-logo {
  width: min(260px, 72vw);
  height: auto;
}

.slp-splash-dir {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.88rem;
  line-height: 1.65;
  color: rgba(245, 240, 232, 0.6);
  text-align: left;
}

#slp-splash-btns {
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: 100%;
}

#slp-splash-play {
  width: 100%;
  padding: 14px;
  font-family: 'DM Sans', sans-serif;
  font-weight: 800;
  font-size: 1rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: #E8DCC8;
  color: #0A0A0A;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  box-shadow: 0 3px 0 #B8AD9E, 0 4px 8px rgba(0,0,0,0.5);
  -webkit-tap-highlight-color: transparent;
  transition: transform 0.08s, box-shadow 0.08s;
}
#slp-splash-play:active {
  transform: translateY(2px);
  box-shadow: 0 1px 0 #B8AD9E, 0 2px 4px rgba(0,0,0,0.5);
}

#slp-splash-continue {
  width: 100%;
  padding: 12px;
  font-family: 'DM Sans', sans-serif;
  font-weight: 600;
  font-size: 0.88rem;
  letter-spacing: 0.04em;
  background: transparent;
  color: rgba(245, 240, 232, 0.55);
  border: 1px solid rgba(245, 240, 232, 0.22);
  border-radius: 10px;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}
#slp-splash-continue:active { color: rgba(245,240,232,0.8); }

/* ── Game layout ──────────────────────────────────────────────────────────── */
#slp-wrap {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 10px 12px;
  overflow: hidden;
  min-height: 0;
}

/* ── Status bar ───────────────────────────────────────────────────────────── */
#slp-status {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: calc(var(--slp-cell) * 8 + 2px);
  font-family: 'DM Sans', sans-serif;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: rgba(245, 240, 232, 0.4);
}

/* ── Grid sizing ──────────────────────────────────────────────────────────── */
:root {
  --slp-cell: min(
    calc((100vw - 24px) / 8),
    calc((100dvh - 150px) / 8)
  );
}

#slp-grid-wrap {
  display: inline-block;
  position: relative;
}

#slp-grid {
  display: grid;
  grid-template-columns: repeat(8, var(--slp-cell));
  grid-template-rows:    repeat(8, var(--slp-cell));
  border: 1px solid rgba(245, 240, 232, 0.18);
  position: relative;
  transition: box-shadow 0.3s ease;
}

#slp-grid.grid-glow {
  box-shadow: 0 0 0 2px #FFD700, 0 0 20px rgba(255,215,0,0.45), 0 0 40px rgba(255,215,0,0.2);
}

/* ── Cell base ────────────────────────────────────────────────────────────── */
.slp-cell {
  width:  var(--slp-cell);
  height: var(--slp-cell);
  background: #0D0D0D;
  border-right:  1px solid rgba(245, 240, 232, 0.12);
  border-bottom: 1px solid rgba(245, 240, 232, 0.12);
  position: relative;
  box-sizing: border-box;
  overflow: hidden;
  cursor: default;
}
.slp-cell:nth-child(8n) { border-right: none; }

/* ── Ramp-off (toggled to empty — marble passes straight through) ─────────── */
.slp-cell.ramp-off {
  cursor: pointer;
  background: #0D0D0D;
  box-shadow: inset 0 0 0 2px rgba(245, 240, 232, 0.25);
  outline: 2px dotted rgba(245, 240, 232, 0.25);
  outline-offset: -4px;
}

/* ── Wall ─────────────────────────────────────────────────────────────────── */
.slp-cell.wall {
  background: #E8DCC8;
  box-shadow: inset 0 2px 0 rgba(255,255,255,0.25), inset 0 -2px 0 rgba(0,0,0,0.35);
}

/* ── Platform ─────────────────────────────────────────────────────────────── */
.slp-cell.platform {
  background: #0D0D0D;
}
.slp-cell.platform::before {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 45%;
  background: #E8DCC8;
  box-shadow: inset 0 2px 0 rgba(255,255,255,0.22), inset 0 -1px 0 rgba(0,0,0,0.3);
}

/* ── Ramp cells ───────────────────────────────────────────────────────────── */
.slp-cell.ramp-right,
.slp-cell.ramp-left {
  background: #0D0D0D;
  box-shadow: 1px 1px 2px rgba(0,0,0,0.4);
  cursor: pointer;
}
.slp-cell.ramp-right svg,
.slp-cell.ramp-left svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

/* ── Target ───────────────────────────────────────────────────────────────── */
.slp-cell.target {
  background: #0D0D0D;
}
.slp-cell.target::before {
  content: '';
  position: absolute;
  inset: 15%;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #FFE566, #FFD700, #B8860B);
  box-shadow: 0 0 8px #FFD700, 0 0 16px rgba(255,215,0,0.4);
  animation: slp-target-pulse 2s ease-in-out infinite;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.slp-cell.target.target-flash::before {
  transform: scale(1.5);
  box-shadow: 0 0 20px #FFD700, 0 0 40px rgba(255,215,0,0.7);
  animation: none;
}

@keyframes slp-target-pulse {
  0%, 100% { box-shadow: 0 0 8px #FFD700, 0 0 16px rgba(255,215,0,0.4); }
  50%       { box-shadow: 0 0 14px #FFD700, 0 0 28px rgba(255,215,0,0.6); }
}

/* ── Marble start indicator ───────────────────────────────────────────────── */
.slp-cell.marble-start::after {
  content: '';
  position: absolute;
  left: 50%; top: 4px;
  transform: translateX(-50%);
  width: 2px; height: 38%;
  background: rgba(245, 240, 232, 0.2);
  border-radius: 1px;
  pointer-events: none;
}

/* ── Marble ───────────────────────────────────────────────────────────────── */
#slp-marble {
  position: absolute;
  width:  calc(var(--slp-cell) * 0.7);
  height: calc(var(--slp-cell) * 0.7);
  border-radius: 50%;
  background:
    radial-gradient(circle at 30% 25%, rgba(255,255,255,0.9) 0%, transparent 25%),
    radial-gradient(ellipse at 60% 40%, #1A6FD4 0%, transparent 45%),
    radial-gradient(ellipse at 25% 65%, #2ECC71 0%, transparent 40%),
    radial-gradient(ellipse at 70% 70%, #F39C12 0%, transparent 35%),
    radial-gradient(circle at 50% 50%, #2C3E50 0%, #1A252F 100%);
  box-shadow:
    inset -2px -2px 4px rgba(0,0,0,0.5),
    inset 1px 1px 3px rgba(255,255,255,0.3),
    0 2px 6px rgba(0,0,0,0.8);
  pointer-events: none;
  z-index: 10;
  top:  calc(var(--slp-marble-r, 0) * var(--slp-cell) + var(--slp-cell) * 0.5);
  left: calc(var(--slp-marble-c, 0) * var(--slp-cell) + var(--slp-cell) * 0.5);
  transform: translate(-50%, -50%) scale(1);
  transition: top 0.12s linear, left 0.12s linear;
  display: none;
}

/* Marble animations */
@keyframes marble-bounce-anim {
  0%   { transform: translate(-50%,-50%) scale(1); }
  40%  { transform: translate(-50%,-50%) scale(1.18); }
  100% { transform: translate(-50%,-50%) scale(1); }
}
#slp-marble.marble-bounce {
  animation: marble-bounce-anim 0.12s ease-out;
}

@keyframes marble-red-flash {
  0%, 100% { box-shadow: inset -2px -2px 4px rgba(0,0,0,0.5), inset 1px 1px 3px rgba(255,255,255,0.3), 0 2px 6px rgba(0,0,0,0.8); }
  50%       { box-shadow: inset -2px -2px 4px rgba(0,0,0,0.5), 0 0 12px #ff3333, 0 0 24px rgba(255,50,50,0.5); }
}
#slp-marble.marble-flash-red {
  animation: marble-red-flash 0.25s ease-in-out;
}

@keyframes marble-fade-anim {
  from { opacity: 1; transform: translate(-50%,-50%) scale(1); }
  to   { opacity: 0; transform: translate(-50%,-50%) scale(0.5); }
}
#slp-marble.marble-fade {
  animation: marble-fade-anim 0.3s ease-in forwards;
}

@keyframes marble-sink-anim {
  0%   { transform: translate(-50%,-50%) scale(1);    opacity: 1; }
  60%  { transform: translate(-50%,-50%) scale(0.6);  opacity: 0.8; }
  100% { transform: translate(-50%,-50%) scale(0.1);  opacity: 0; }
}
#slp-marble.marble-sink {
  animation: marble-sink-anim 0.5s ease-in forwards;
}

/* ── Controls ─────────────────────────────────────────────────────────────── */
#slp-controls {
  display: flex;
  align-items: center;
  gap: 10px;
}

#slp-run-btn {
  padding: 11px 36px;
  font-family: 'DM Sans', sans-serif;
  font-weight: 800;
  font-size: 0.9rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  background: #E8DCC8;
  color: #0A0A0A;
  border: none;
  border-radius: 9px;
  cursor: pointer;
  box-shadow: 0 3px 0 #B8AD9E, 0 4px 8px rgba(0,0,0,0.5);
  -webkit-tap-highlight-color: transparent;
  transition: transform 0.08s, box-shadow 0.08s;
}
#slp-run-btn:active:not(:disabled) {
  transform: translateY(2px);
  box-shadow: 0 1px 0 #B8AD9E, 0 2px 4px rgba(0,0,0,0.4);
}
#slp-run-btn:disabled {
  background: #3A3A2E;
  color: rgba(245,240,232,0.3);
  box-shadow: none;
  cursor: default;
}

#slp-reset-btn {
  padding: 11px 18px;
  font-family: 'DM Sans', sans-serif;
  font-weight: 600;
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  background: transparent;
  color: rgba(245, 240, 232, 0.4);
  border: 1px solid rgba(245, 240, 232, 0.18);
  border-radius: 9px;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: color 0.12s, border-color 0.12s;
}
#slp-reset-btn:active { color: rgba(245,240,232,0.7); border-color: rgba(245,240,232,0.4); }

/* ── Hidden state (must come before the display:flex rules) ──────────────── */
#slp-splash.hidden,
#slp-wrap.hidden,
#slp-splash-continue.hidden,
#slp-directions-overlay.hidden,
#slp-win-overlay.hidden,
#slp-complete-overlay.hidden { display: none !important; }

/* ── Directions overlay ───────────────────────────────────────────────────── */
#slp-directions-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.82);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 16px;
}
.slp-dir-modal {
  background: #111;
  border: 1px solid rgba(245,240,232,0.16);
  border-radius: 16px;
  padding: 28px 24px 24px;
  max-width: 360px;
  width: 100%;
  text-align: center;
}
.slp-dir-logo {
  width: min(180px, 60vw);
  height: auto;
  display: block;
  margin: 0 auto 18px;
}
.slp-dir-heading {
  font-family: 'DM Sans', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  color: #F5F0E8;
  margin-bottom: 12px;
}
.slp-dir-body {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.87rem;
  line-height: 1.62;
  color: rgba(245,240,232,0.68);
  text-align: left;
  margin-bottom: 20px;
}
.slp-dir-close {
  padding: 11px 32px;
  font-family: 'DM Sans', sans-serif;
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: #E8DCC8;
  color: #0A0A0A;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

/* ── Win / Completion overlays ────────────────────────────────────────────── */
#slp-win-overlay,
#slp-complete-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 16px;
}

.slp-win-modal {
  background: #111;
  border: 1px solid rgba(255,215,0,0.28);
  border-radius: 16px;
  padding: 32px 24px 28px;
  max-width: 320px;
  width: 100%;
  text-align: center;
}
.slp-win-title {
  font-family: 'DM Sans', sans-serif;
  font-weight: 800;
  font-size: 1.7rem;
  color: #FFD700;
  margin-bottom: 8px;
}
.slp-win-sub {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.88rem;
  color: rgba(245,240,232,0.5);
  margin-bottom: 24px;
  min-height: 1.2em;
}
.slp-win-btn {
  display: block;
  width: 100%;
  padding: 13px;
  font-family: 'DM Sans', sans-serif;
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  background: #E8DCC8;
  color: #0A0A0A;
  border: none;
  border-radius: 9px;
  cursor: pointer;
  margin-bottom: 10px;
  box-shadow: 0 3px 0 #B8AD9E;
  -webkit-tap-highlight-color: transparent;
  transition: transform 0.08s, box-shadow 0.08s;
}
.slp-win-btn:active {
  transform: translateY(2px);
  box-shadow: 0 1px 0 #B8AD9E;
}
.slp-win-btn--secondary {
  background: transparent;
  color: rgba(245,240,232,0.45);
  border: 1px solid rgba(245,240,232,0.18);
  box-shadow: none;
  margin-bottom: 0;
}
.slp-win-btn--secondary:active { box-shadow: none; }