* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    user-select: none;
    -webkit-touch-callout: none;
    -webkit-tap-highlight-color: transparent;
}

body, html {
    width: 100%;
    height: 100%;
    overflow: hidden;
    font-family: 'Nunito', sans-serif;
    color: white;
    background-color: #0b0315;
    touch-action: none;
    overscroll-behavior: none;
}

#backdrop {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: radial-gradient(circle at 50% 100%, #1e0b35 0%, #0b0315 70%);
    z-index: 0;
    pointer-events: none;
    transition: filter 0.8s ease;
}

.glow-orb {
    position: absolute;
    width: 50vmax;
    height: 50vmax;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(124,77,255,0.15) 0%, transparent 60%);
    pointer-events: none;
    filter: blur(40px);
    animation: orbFloat 8s ease-in-out infinite alternate;
}

@keyframes orbFloat {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(10px, -15px) scale(1.08); }
}

#ui-layer {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    pointer-events: none;
    z-index: 10;
    display: flex;
    flex-direction: column;
}

#game-canvas {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: 1;
}

/* ============== TOP BAR ============== */
#top-bar {
    width: 100%;
    padding: 8px 10px;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 5px;
    background: linear-gradient(to bottom, rgba(30,10,50,0.95), rgba(0,0,0,0));
    border-bottom: 1px solid rgba(212,175,55,0.2);
    pointer-events: auto;
    z-index: 10;
    flex-shrink: 0;
}

.controls-right {
    display: flex;
    gap: 5px;
    margin-left: 2px;
}

.stat-box {
    font-size: 0.6rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: #e0d0b0;
    text-shadow: 0 1px 3px rgba(0,0,0,0.8);
    background: linear-gradient(180deg, rgba(40,15,60,0.8), rgba(15,5,25,0.95));
    padding: 4px 10px;
    border-radius: 8px;
    border: 1px solid rgba(212,175,55,0.4);
    box-shadow: inset 0 0 8px rgba(0,0,0,1), 0 3px 10px rgba(0,0,0,0.5);
    display: flex;
    flex-direction: column;
    align-items: center;
    line-height: 1.3;
    min-width: 48px;
}

.stat-box span {
    color: #fcf6ba;
    font-family: 'Cinzel', serif;
    font-weight: 700;
    font-size: 1.3em;
    text-shadow: 0 0 8px rgba(212,175,55,0.6);
    transition: color 0.3s;
}

.stat-box.gold-border {
    border: 1px solid #d4af37;
    box-shadow: inset 0 0 12px rgba(212,175,55,0.2), 0 3px 10px rgba(0,0,0,0.5);
}

button {
    pointer-events: auto;
    cursor: pointer;
    font-family: 'Cinzel', serif;
    outline: none;
    transition: all 0.2s;
}

button:active {
    transform: scale(0.93);
}

#btn-pause, #btn-sound {
    background: linear-gradient(135deg, rgba(212,175,55,0.2), rgba(212,175,55,0.05));
    border: 1px solid rgba(212,175,55,0.6);
    color: #fcf6ba;
    font-size: 0.85rem;
    width: 32px;
    height: 32px;
    border-radius: 8px;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: inset 0 0 8px rgba(0,0,0,0.5), 0 3px 8px rgba(0,0,0,0.6);
}

/* ============== OVERLAYS ============== */
.overlay {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(5, 2, 10, 0.88);
    display: flex;
    justify-content: center;
    align-items: center;
    pointer-events: auto;
    z-index: 20;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    transition: opacity 0.4s ease;
    padding: 15px;
}

.overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

.luxury-panel {
    background: linear-gradient(145deg, #16062b, #0c0318);
    padding: 30px 24px;
    border-radius: 18px;
    text-align: center;
    border: 1px solid #d4af37;
    box-shadow: 0 15px 40px rgba(0,0,0,1), inset 0 0 25px rgba(40,15,60,0.8), inset 0 0 2px 2px rgba(212,175,55,0.3);
    max-width: 92vw;
    width: 400px;
    position: relative;
    overflow: hidden;
}

.luxury-panel::before {
    content: '';
    position: absolute;
    top: 0; left: -100%; width: 50%; height: 100%;
    background: linear-gradient(to right, transparent, rgba(212,175,55,0.1), transparent);
    transform: skewX(-20deg);
    animation: shine 4s infinite;
    pointer-events: none;
}

@keyframes shine {
    0% { left: -100% }
    20% { left: 200% }
    100% { left: 200% }
}

.logo {
    font-family: 'Cinzel', serif;
    font-size: 2.4rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 12px;
    background: linear-gradient(to right, #bf953f, #fcf6ba, #b38728, #fbf5b7, #aa771c);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0px 6px 10px rgba(0,0,0,0.8));
}

.panel h2 {
    font-family: 'Cinzel', serif;
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: #e0d0b0;
    letter-spacing: 2px;
    text-shadow: 0 3px 8px rgba(0,0,0,0.8);
}

.panel .desc {
    font-size: 0.95rem;
    margin-bottom: 15px;
    line-height: 1.7;
    color: #b0a0ca;
    font-weight: 400;
}

.btn-primary {
    position: relative;
    background: linear-gradient(180deg, #b38728, #aa771c);
    border: none;
    padding: 2px;
    border-radius: 8px;
    width: 100%;
    margin-bottom: 10px;
    margin-top: 8px;
    box-shadow: 0 8px 16px rgba(0,0,0,0.6);
}

.btn-primary span {
    display: block;
    background: linear-gradient(180deg, #2b1145, #11041c);
    padding: 13px 24px;
    border-radius: 6px;
    color: #fcf6ba;
    font-size: 1.05rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    text-shadow: 0 2px 4px rgba(0,0,0,0.8);
    transition: background 0.2s;
}

.btn-primary:active span {
    background: linear-gradient(180deg, #11041c, #090210);
}

.btn-secondary {
    background: transparent;
    border: 1px solid rgba(212,175,55,0.5);
    color: #b0a0ca;
    padding: 12px 24px;
    font-size: 0.95rem;
    border-radius: 8px;
    width: 100%;
    font-weight: 600;
    margin-top: 8px;
}

.gold-text {
    font-family: 'Cinzel', serif !important;
    font-size: 1.3em !important;
    color: #fcf6ba !important;
    text-shadow: 0 0 8px rgba(212,175,55,0.6) !important;
}

/* ============== TUTORIAL ============== */
.tutorial-panel { width: 420px; }

.guide-steps {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 20px;
    text-align: left;
}

.guide-step {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    background: rgba(255,255,255,0.03);
    border-radius: 12px;
    border: 1px solid rgba(212,175,55,0.12);
}

.guide-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(212,175,55,0.08);
    border-radius: 10px;
}

.guide-text strong {
    display: block;
    font-size: 0.8rem;
    color: #fcf6ba;
    margin-bottom: 2px;
    font-family: 'Cinzel', serif;
}

.guide-text p {
    font-size: 0.72rem;
    color: #b0a0ca;
    line-height: 1.4;
    margin: 0;
}

/* ============== STARS ============== */
.stars-container {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin: 10px 0;
    font-size: 2rem;
}

.star { filter: drop-shadow(0 2px 6px rgba(0,0,0,0.5)); }
.star.earned { animation: starPop 0.5s ease-out; }
.star.empty { opacity: 0.25; filter: grayscale(1); }

@keyframes starPop {
    0% { transform: scale(0) rotate(-30deg); }
    60% { transform: scale(1.3) rotate(5deg); }
    100% { transform: scale(1) rotate(0deg); }
}

/* ============== POPUPS ============== */
#popups {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    pointer-events: none;
    z-index: 15;
}

.score-popup {
    position: absolute;
    font-family: 'Cinzel', serif;
    font-size: 1.4rem;
    font-weight: 800;
    pointer-events: none;
    text-shadow: 0 3px 8px rgba(0,0,0,0.9), 0 0 12px currentColor;
    animation: floatUp 1.2s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
    z-index: 15;
    white-space: nowrap;
}

@keyframes floatUp {
    0% { transform: translateY(0) scale(0.6); opacity: 0; }
    20% { transform: translateY(-15px) scale(1.1); opacity: 1; }
    100% { transform: translateY(-55px) scale(0.9); opacity: 0; }
}

.combo-msg {
    position: fixed;
    top: 35%; left: 50%;
    transform: translate(-50%, -50%);
    font-family: 'Cinzel', serif;
    font-size: 1.8rem;
    font-weight: 800;
    pointer-events: none;
    z-index: 25;
    animation: comboAnim 1s ease-out forwards;
    white-space: nowrap;
}

.combo-msg.x2 { color: #1ab2ff; text-shadow: 0 0 15px rgba(26,178,255,0.8); }
.combo-msg.x3 { color: #00e676; text-shadow: 0 0 15px rgba(0,230,118,0.8); }
.combo-msg.x4 { color: #ffc400; text-shadow: 0 0 15px rgba(255,196,0,0.8); }
.combo-msg.x5 { color: #d500f9; text-shadow: 0 0 15px rgba(213,0,249,0.8); }

@keyframes comboAnim {
    0% { opacity: 0; transform: translate(-50%, -50%) scale(0.3); }
    20% { opacity: 1; transform: translate(-50%, -50%) scale(1.3); }
    40% { transform: translate(-50%, -50%) scale(1); }
    70% { opacity: 1; }
    100% { opacity: 0; transform: translate(-50%, -50%) translateY(-30px); }
}

/* ============== RESPONSIVE ============== */
@media (min-width: 640px) {
    #top-bar { padding: 10px 20px; gap: 10px; }
    .stat-box { font-size: 0.7rem; padding: 6px 16px; min-width: 60px; }
    .stat-box span { font-size: 1.4em; }
    #btn-pause, #btn-sound { width: 38px; height: 38px; font-size: 1rem; }
    .logo { font-size: 3rem; }
    .panel h2 { font-size: 1.8rem; }
    .luxury-panel { padding: 40px 35px; }
    .guide-icon { font-size: 1.8rem; width: 48px; height: 48px; }
    .guide-text strong { font-size: 0.95rem; }
    .guide-text p { font-size: 0.82rem; }
}

@media (max-width: 380px) {
    #top-bar { padding: 6px 4px; gap: 3px; }
    .stat-box { font-size: 0.5rem; padding: 3px 6px; min-width: 40px; border-radius: 6px; }
    .stat-box span { font-size: 1.1em; }
    #btn-pause, #btn-sound { width: 28px; height: 28px; font-size: 0.75rem; }
    .logo { font-size: 1.8rem; }
    .luxury-panel { padding: 20px 14px; }
    .guide-step { padding: 8px 8px; gap: 8px; }
    .guide-icon { font-size: 1.2rem; width: 30px; height: 30px; }
    .guide-text strong { font-size: 0.7rem; }
    .guide-text p { font-size: 0.6rem; }
}

@media (max-height: 500px) {
    #top-bar { padding: 4px 8px; }
    .stat-box { padding: 2px 8px; font-size: 0.55rem; }
    .luxury-panel { padding: 15px 15px; }
    .logo { font-size: 1.6rem; margin-bottom: 6px; }
    .panel h2 { font-size: 1.1rem; margin-bottom: 8px; }
    .guide-steps { gap: 5px; margin-bottom: 10px; }
    .guide-step { padding: 5px 8px; }
}