/* ===== RESET & BASE ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: 'Outfit', sans-serif;
    background: linear-gradient(135deg, #0f0c29 0%, #302b63 50%, #24243e 100%);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    color: #fff;
}

/* ===== CANVAS ===== */
#gameCanvas {
    display: block;
    border-radius: 18px;
    box-shadow: 0 8px 40px rgba(0,0,0,0.5), 0 0 80px rgba(100, 120, 255, 0.12);
    cursor: crosshair;
    max-width: 95vw;
    max-height: 80vh;
}

/* ===== HUD ===== */
#hud {
    position: fixed;
    top: 18px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 18px;
    z-index: 10;
}

#hud > div {
    background: rgba(255,255,255,0.08);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 14px;
    padding: 8px 18px;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 80px;
    transition: transform 0.2s, box-shadow 0.3s;
}

#hud > div:hover { transform: scale(1.05); }

.hud-label {
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 2px;
    color: rgba(255,255,255,0.5);
    text-transform: uppercase;
}

.hud-value {
    font-size: 22px;
    font-weight: 800;
    background: linear-gradient(135deg, #ffd700, #ff6b6b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hud-hearts {
    font-size: 18px;
    background: none;
    -webkit-text-fill-color: unset;
}

.hud-combo {
    background: linear-gradient(135deg, #43e97b, #38f9d7);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: transform 0.2s;
}

#combo-display {
    transition: opacity 0.3s, transform 0.3s;
}

#combo-display.combo-hidden {
    opacity: 0.3;
    transform: scale(0.9);
}

#combo-display.combo-active {
    opacity: 1;
    transform: scale(1);
    box-shadow: 0 0 20px rgba(67, 233, 123, 0.25);
    border-color: rgba(67, 233, 123, 0.3);
}

/* Combo pulse animation */
@keyframes comboPulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.3); }
    100% { transform: scale(1); }
}

.combo-pulse {
    animation: comboPulse 0.3s ease-out;
}

/* Score pop animation */
@keyframes scorePop {
    0% { transform: scale(1); }
    50% { transform: scale(1.4); }
    100% { transform: scale(1); }
}

.score-pop {
    animation: scorePop 0.25s ease-out;
}

/* ===== DISTANCE BADGE ===== */
#distance-badge {
    position: fixed;
    bottom: 18px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(255,255,255,0.07);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 30px;
    padding: 6px 20px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 1px;
    color: rgba(255,255,255,0.6);
    z-index: 10;
    transition: all 0.3s;
}

/* ===== OVERLAY BASE ===== */
#game-over-overlay,
#start-overlay {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
    background: rgba(0,0,0,0.55);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    transition: opacity 0.35s;
}

#game-over-overlay.hidden,
#start-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

#game-over-box,
#start-box {
    background: rgba(30, 25, 60, 0.92);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 24px;
    padding: 42px 52px;
    text-align: center;
    box-shadow: 0 20px 60px rgba(0,0,0,0.5), inset 0 1px 0 rgba(255,255,255,0.05);
    animation: popIn 0.4s cubic-bezier(0.18, 0.89, 0.32, 1.28);
    min-width: 340px;
}

@keyframes popIn {
    0% { transform: scale(0.7); opacity: 0; }
    100% { transform: scale(1); opacity: 1; }
}

#game-over-title,
#start-title {
    font-size: 38px;
    font-weight: 800;
    margin-bottom: 16px;
    background: linear-gradient(135deg, #ff6b6b, #ffd700);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

#start-title {
    background: linear-gradient(135deg, #ffd700, #43e97b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Stats panel */
#game-over-stats {
    margin: 16px 0 22px;
}

.stat-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}

.stat-row:last-child { border-bottom: none; }

.stat-label {
    font-size: 14px;
    color: rgba(255,255,255,0.5);
    font-weight: 600;
}

.stat-value {
    font-size: 18px;
    font-weight: 800;
    background: linear-gradient(135deg, #ffd700, #ff6b6b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.best-row {
    border-top: 1px solid rgba(255, 215, 0, 0.2);
    margin-top: 4px;
    padding-top: 12px;
}

.best-row .stat-value {
    background: linear-gradient(135deg, #43e97b, #38f9d7);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

#start-desc {
    font-size: 16px;
    color: rgba(255,255,255,0.65);
    margin-bottom: 6px;
    line-height: 1.7;
}

#start-desc small {
    color: rgba(255,215,0,0.7);
    font-size: 13px;
}

#restart-btn,
#start-btn {
    margin-top: 18px;
    padding: 14px 44px;
    border: none;
    border-radius: 50px;
    font-family: 'Outfit', sans-serif;
    font-size: 16px;
    font-weight: 700;
    letter-spacing: 2px;
    cursor: pointer;
    color: #fff;
    background: linear-gradient(135deg, #ff6b6b, #ee5a24);
    box-shadow: 0 4px 20px rgba(238, 90, 36, 0.35);
    transition: transform 0.2s, box-shadow 0.2s;
}

#start-btn {
    background: linear-gradient(135deg, #43e97b, #38f9d7);
    box-shadow: 0 4px 20px rgba(56, 249, 215, 0.3);
    color: #1a1a2e;
}

#restart-btn:hover,
#start-btn:hover {
    transform: translateY(-2px) scale(1.04);
    box-shadow: 0 8px 30px rgba(238, 90, 36, 0.5);
}

#start-btn:hover {
    box-shadow: 0 8px 30px rgba(56, 249, 215, 0.5);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 700px) {
    #hud { gap: 8px; top: 10px; flex-wrap: wrap; justify-content: center; }
    #hud > div { padding: 5px 12px; min-width: 60px; border-radius: 10px; }
    .hud-value { font-size: 16px; }
    .hud-label { font-size: 8px; }
    #game-over-box, #start-box { padding: 28px 24px; min-width: 280px; }
    #game-over-title, #start-title { font-size: 26px; }
    .stat-value { font-size: 15px; }
}