/* Rhythm Islands - Game Styles */

:root {
    --ocean-dark: #0a4d6e;
    --ocean-mid: #1a7da8;
    --ocean-light: #4ab8d8;
    --sand-light: #f5e6c8;
    --sand-dark: #d4c4a8;
    --palm-green: #2d8659;
    --sunset-orange: #ff8c42;
    --sunset-pink: #ff6b9d;
    --text-light: #ffffff;
    --text-muted: rgba(255, 255, 255, 0.7);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

html, body {
    width: 100%;
    height: 100%;
    overflow: hidden;
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(180deg, var(--ocean-dark) 0%, var(--ocean-mid) 100%);
    color: var(--text-light);
}

/* Screen Management */
.screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: none;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.screen.active {
    display: flex;
    opacity: 1;
}

/* Start Screen */
#start-screen {
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: linear-gradient(180deg, #ff8c42 0%, #ff6b9d 30%, var(--ocean-mid) 70%, var(--ocean-dark) 100%);
    position: relative;
    overflow: hidden;
}

.start-content {
    text-align: center;
    z-index: 10;
    padding: 2rem;
}

.island-icon {
    font-size: 4.5rem;
    animation: islandFloat 3s ease-in-out infinite;
}

@keyframes islandFloat {
    0%, 100% { transform: translateY(0) rotate(-2deg); }
    50% { transform: translateY(-10px) rotate(2deg); }
}

.title {
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--text-light);
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    margin: 1rem 0 0.5rem;
}

.subtitle {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.demo-area {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 1.5rem 2rem;
    margin: 2rem auto;
    max-width: 280px;
}

.demo-circles {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.demo-beat {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    animation: demoPulse 1.5s ease-in-out infinite;
}

.demo-beat.beat-2 {
    animation-delay: 0.2s;
}

.demo-beat.beat-3 {
    animation-delay: 0.4s;
}

@keyframes demoPulse {
    0%, 100% { transform: scale(0.8); opacity: 0.5; }
    50% { transform: scale(1.2); opacity: 1; background: rgba(255, 255, 255, 0.3); }
}

.demo-text {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
}

.glow-button {
    padding: 1rem 2.5rem;
    font-size: 1.2rem;
    font-weight: 600;
    font-family: inherit;
    background: linear-gradient(135deg, var(--sunset-orange) 0%, var(--sunset-pink) 100%);
    border: none;
    border-radius: 50px;
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(255, 140, 66, 0.4);
}

.glow-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(255, 140, 66, 0.6);
}

.secondary-button {
    padding: 0.8rem 2rem;
    font-size: 1rem;
    font-family: inherit;
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50px;
    color: var(--text-light);
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.secondary-button:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* Waves Background */
.waves-bg {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 40%;
    overflow: hidden;
}

.wave {
    position: absolute;
    bottom: 0;
    left: -50%;
    width: 200%;
    height: 100px;
    background: var(--ocean-light);
    border-radius: 50% 50% 0 0;
    opacity: 0.5;
}

.wave-1 {
    animation: wave 8s ease-in-out infinite;
}

.wave-2 {
    bottom: -20px;
    height: 80px;
    background: var(--ocean-mid);
    animation: wave 10s ease-in-out infinite reverse;
}

@keyframes wave {
    0%, 100% { transform: translateX(0); }
    50% { transform: translateX(25%); }
}

/* Game Screen */
#game-screen {
    background: linear-gradient(180deg, #87CEEB 0%, var(--ocean-light) 50%, var(--ocean-mid) 100%);
}

#game-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* HUD */
#hud {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    pointer-events: none;
    z-index: 100;
}

#hud > * {
    pointer-events: auto;
}

.score-display {
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
    padding: 0.5rem 1.2rem;
    border-radius: 25px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.score-display #score {
    font-size: 1.8rem;
    font-weight: 700;
}

.score-label {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
}

.combo-display {
    background: linear-gradient(135deg, var(--sunset-orange), var(--sunset-pink));
    padding: 0.5rem 1.5rem;
    border-radius: 25px;
    display: flex;
    flex-direction: column;
    align-items: center;
    animation: comboPopIn 0.3s ease-out;
    box-shadow: 0 4px 15px rgba(255, 107, 157, 0.4);
}

.combo-display.hidden {
    display: none;
}

@keyframes comboPopIn {
    0% { transform: scale(0); }
    70% { transform: scale(1.2); }
    100% { transform: scale(1); }
}

.combo-display #combo {
    font-size: 1.5rem;
    font-weight: 700;
}

.combo-label {
    font-size: 0.7rem;
    text-transform: uppercase;
}

.hud-right {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.5rem;
}

.island-progress {
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
    padding: 0.5rem 1rem;
    border-radius: 15px;
}

.progress-label {
    font-size: 0.7rem;
    color: var(--text-muted);
    display: block;
    margin-bottom: 0.3rem;
}

.progress-bar {
    width: 100px;
    height: 8px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--palm-green), #5fd88a);
    border-radius: 4px;
    transition: width 0.3s ease;
}

.icon-btn {
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
    border: none;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.icon-btn:hover {
    background: rgba(0, 0, 0, 0.5);
    transform: scale(1.1);
}

/* Rhythm Zone */
#rhythm-zone {
    position: absolute;
    bottom: 25%;
    left: 50%;
    transform: translateX(-50%);
    width: 150px;
    height: 150px;
    z-index: 50;
}

.target-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100px;
    height: 100px;
    border: 4px solid rgba(255, 255, 255, 0.5);
    border-radius: 50%;
}

.beat-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 150px;
    height: 150px;
    border: 3px solid var(--sunset-orange);
    border-radius: 50%;
    opacity: 0;
    transition: all 0.1s ease;
}

.beat-ring.approaching {
    opacity: 1;
    animation: beatApproach 0.8s linear forwards;
}

@keyframes beatApproach {
    0% { width: 200px; height: 200px; opacity: 0.3; }
    90% { width: 105px; height: 105px; opacity: 1; }
    100% { width: 100px; height: 100px; opacity: 1; }
}

/* Tap Area */
#tap-area {
    position: absolute;
    bottom: 5%;
    left: 50%;
    transform: translateX(-50%);
    z-index: 60;
    text-align: center;
}

.tap-circle {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--sunset-orange), var(--sunset-pink));
    border-radius: 50%;
    margin: 0 auto 0.5rem;
    cursor: pointer;
    transition: all 0.1s ease;
    box-shadow: 0 4px 20px rgba(255, 107, 157, 0.4);
}

.tap-circle:active {
    transform: scale(0.9);
    box-shadow: 0 2px 10px rgba(255, 107, 157, 0.6);
}

.tap-text {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-muted);
    letter-spacing: 0.2em;
}

/* Hit Feedback */
#hit-feedback {
    position: absolute;
    bottom: 35%;
    left: 50%;
    transform: translateX(-50%);
    z-index: 70;
    pointer-events: none;
}

#hit-feedback.hidden {
    display: none;
}

.feedback-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--sunset-orange);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    animation: feedbackPop 0.5s ease-out forwards;
}

.feedback-text.perfect {
    color: #5fd88a;
}

.feedback-text.good {
    color: var(--sunset-orange);
}

.feedback-text.miss {
    color: #ff6b6b;
}

@keyframes feedbackPop {
    0% { transform: translateY(0) scale(0.5); opacity: 1; }
    50% { transform: translateY(-20px) scale(1.2); opacity: 1; }
    100% { transform: translateY(-40px) scale(1); opacity: 0; }
}

/* Pause Screen */
#pause-screen {
    background: rgba(10, 77, 110, 0.95);
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.pause-content {
    text-align: center;
}

.pause-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.pause-stats {
    margin-bottom: 2rem;
}

.pause-stats p {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin: 0.5rem 0;
}

.pause-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

/* End Screen */
#end-screen {
    background: linear-gradient(180deg, #ff8c42 0%, #ff6b9d 30%, var(--ocean-mid) 70%, var(--ocean-dark) 100%);
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.end-content {
    text-align: center;
    padding: 2rem;
}

.archipelago-display {
    width: 250px;
    height: 120px;
    margin: 0 auto 1.5rem;
    background: var(--ocean-light);
    border-radius: 15px;
    position: relative;
    overflow: hidden;
}

.end-content h2 {
    font-size: 2.2rem;
    margin-bottom: 0.5rem;
}

.end-message {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.final-stats {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.stat-card {
    background: rgba(255, 255, 255, 0.1);
    padding: 1rem 1.2rem;
    border-radius: 15px;
    min-width: 90px;
}

.stat-value {
    font-size: 1.8rem;
    font-weight: 700;
    display: block;
    margin-bottom: 0.2rem;
}

.stat-label {
    font-size: 0.7rem;
    color: var(--text-muted);
}

.end-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
}

/* Mobile */
@media (max-width: 600px) {
    .title {
        font-size: 2.2rem;
    }
    
    #rhythm-zone {
        width: 120px;
        height: 120px;
    }
    
    .target-ring {
        width: 80px;
        height: 80px;
    }
    
    .tap-circle {
        width: 70px;
        height: 70px;
    }
    
    .final-stats {
        flex-direction: column;
        align-items: center;
    }
    
    .stat-card {
        width: 80%;
    }
}