/* ========================================
   CHUCHO - Global Styles
   ======================================== */

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

body {
    background: #1a1a2e;
    overflow: hidden;
    font-family: 'Segoe UI', 'Comic Sans MS', 'Arial Rounded MT Bold', sans-serif;
    touch-action: none;
    user-select: none;
    -webkit-user-select: none;
}

#game-container {
    position: relative;
    width: 100vw;
    height: 100vh;
    overflow: hidden;
}

#gameCanvas {
    display: block;
    width: 100%;
    height: 100%;
}

/* ========================================
   HUD
   ======================================== */

#hud {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 20px;
    pointer-events: none;
    z-index: 10;
}

#hud span {
    color: #fff;
    font-size: 18px;
    font-weight: bold;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
    background: rgba(0,0,0,0.3);
    padding: 6px 14px;
    border-radius: 20px;
    backdrop-filter: blur(4px);
}

#hud-right {
    display: flex;
    gap: 10px;
    align-items: center;
}

#streak-display {
    font-size: 16px !important;
    color: #ffd700 !important;
}

/* ========================================
   Overlays
   ======================================== */

.overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 50;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(6px);
}

.overlay-content {
    text-align: center;
    color: #fff;
    max-width: 500px;
    padding: 30px;
    animation: fadeInUp 0.5s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========================================
   Title Screen
   ======================================== */

.game-title {
    font-size: 72px;
    color: #FFD700;
    text-shadow: 
        3px 3px 0px #E67E22,
        6px 6px 0px rgba(0,0,0,0.3);
    letter-spacing: 8px;
    margin-bottom: 0;
    animation: titleBounce 2s ease-in-out infinite;
}

@keyframes titleBounce {
    0%, 100% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-10px) scale(1.05); }
}

.game-subtitle {
    font-size: 24px;
    color: #87CEEB;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
    margin-bottom: 30px;
    font-style: italic;
}

/* ========================================
   Level Select
   ======================================== */

#level-select {
    margin: 20px 0;
}

#level-select h3 {
    font-size: 18px;
    color: #ccc;
    margin-bottom: 12px;
}

#level-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
}

.level-btn {
    width: 60px;
    height: 60px;
    border: 3px solid #FFD700;
    border-radius: 50%;
    background: rgba(255, 215, 0, 0.15);
    color: #FFD700;
    font-size: 22px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.level-btn:hover {
    background: rgba(255, 215, 0, 0.4);
    transform: scale(1.1);
}

.level-btn.selected {
    background: #FFD700;
    color: #333;
    transform: scale(1.15);
    box-shadow: 0 0 20px rgba(255, 215, 0, 0.5);
}

.level-btn.locked {
    border-color: #555;
    color: #555;
    background: rgba(85, 85, 85, 0.15);
    cursor: not-allowed;
}

.level-btn.locked:hover {
    transform: none;
    background: rgba(85, 85, 85, 0.15);
}

/* ========================================
   Buttons
   ======================================== */

.btn-main {
    display: inline-block;
    padding: 16px 50px;
    font-size: 26px;
    font-weight: bold;
    color: #fff;
    background: linear-gradient(135deg, #2ECC71, #27AE60);
    border: none;
    border-radius: 50px;
    cursor: pointer;
    margin-top: 20px;
    transition: all 0.2s;
    text-shadow: 1px 1px 3px rgba(0,0,0,0.3);
    box-shadow: 0 6px 20px rgba(46, 204, 113, 0.4);
}

.btn-main:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 10px 30px rgba(46, 204, 113, 0.6);
}

.btn-main:active {
    transform: translateY(0) scale(0.98);
}

.btn-secondary {
    display: inline-block;
    padding: 12px 30px;
    font-size: 18px;
    font-weight: bold;
    color: #ccc;
    background: rgba(255,255,255,0.1);
    border: 2px solid #ccc;
    border-radius: 50px;
    cursor: pointer;
    margin-top: 12px;
    transition: all 0.2s;
}

.btn-secondary:hover {
    background: rgba(255,255,255,0.2);
    color: #fff;
    transform: scale(1.05);
}

/* ========================================
   Question Panel
   ======================================== */

#question-panel {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, rgba(255,255,255,0.95), rgba(240,248,255,0.95));
    border-radius: 24px;
    padding: 20px 30px;
    min-width: 340px;
    max-width: 90vw;
    box-shadow: 0 10px 40px rgba(0,0,0,0.3);
    z-index: 30;
    animation: slideUp 0.3s ease-out;
    border: 3px solid #3498db;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

#question-text {
    font-size: 28px;
    font-weight: bold;
    color: #2C3E50;
    text-align: center;
    margin-bottom: 16px;
    line-height: 1.3;
}

#answer-buttons {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

.answer-btn {
    padding: 14px 28px;
    font-size: 24px;
    font-weight: bold;
    color: #fff;
    background: linear-gradient(135deg, #3498DB, #2980B9);
    border: none;
    border-radius: 16px;
    cursor: pointer;
    transition: all 0.15s;
    min-width: 70px;
    box-shadow: 0 4px 12px rgba(52, 152, 219, 0.3);
}

.answer-btn:hover {
    transform: translateY(-3px) scale(1.08);
    box-shadow: 0 8px 20px rgba(52, 152, 219, 0.5);
}

.answer-btn:active {
    transform: translateY(0) scale(0.95);
}

.answer-btn.correct {
    background: linear-gradient(135deg, #2ECC71, #27AE60) !important;
    animation: correctPulse 0.4s ease;
}

.answer-btn.wrong {
    background: linear-gradient(135deg, #E74C3C, #C0392B) !important;
    animation: wrongShake 0.5s ease;
}

@keyframes correctPulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.2); }
    100% { transform: scale(1); }
}

@keyframes wrongShake {
    0%, 100% { transform: translateX(0); }
    20% { transform: translateX(-10px); }
    40% { transform: translateX(10px); }
    60% { transform: translateX(-6px); }
    80% { transform: translateX(6px); }
}

/* ========================================
   Splash & Correct Messages
   ======================================== */

#splash-message, #correct-message {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 40;
    pointer-events: none;
}

#splash-message span {
    font-size: 42px;
    font-weight: bold;
    color: #E74C3C;
    text-shadow: 3px 3px 6px rgba(0,0,0,0.5);
    animation: messagePop 1.5s ease-out forwards;
}

#correct-message span {
    font-size: 48px;
    font-weight: bold;
    color: #2ECC71;
    text-shadow: 3px 3px 6px rgba(0,0,0,0.5);
    animation: messagePop 1.5s ease-out forwards;
}

@keyframes messagePop {
    0% {
        opacity: 0;
        transform: scale(0.3);
    }
    20% {
        opacity: 1;
        transform: scale(1.3);
    }
    40% {
        transform: scale(1);
    }
    80% {
        opacity: 1;
    }
    100% {
        opacity: 0;
        transform: scale(1) translateY(-40px);
    }
}

/* ========================================
   Victory Screen
   ======================================== */

.victory-title {
    font-size: 56px;
    color: #FFD700;
    text-shadow: 
        3px 3px 0px #E67E22,
        6px 6px 0px rgba(0,0,0,0.3);
    animation: titleBounce 1s ease-in-out infinite;
    margin-bottom: 20px;
}

#victory-stars {
    font-size: 48px;
    margin: 16px 0;
    animation: fadeInUp 0.8s ease-out;
}

#victory-score {
    font-size: 24px;
    color: #87CEEB;
    margin: 10px 0;
}

#victory-message {
    font-size: 18px;
    color: #ccc;
    margin-bottom: 20px;
    font-style: italic;
}

/* ========================================
   High Scores
   ======================================== */

#high-scores-display {
    margin-top: 20px;
    font-size: 14px;
    color: #aaa;
}

/* ========================================
   Hidden utility
   ======================================== */

.hidden {
    display: none !important;
}

/* ========================================
   Mobile Responsiveness
   ======================================== */

@media (max-width: 600px) {
    .game-title {
        font-size: 48px;
        letter-spacing: 4px;
    }

    .game-subtitle {
        font-size: 18px;
    }

    #question-text {
        font-size: 22px;
    }

    .answer-btn {
        padding: 12px 20px;
        font-size: 20px;
        min-width: 60px;
    }

    #question-panel {
        padding: 16px 20px;
        min-width: 280px;
        bottom: 10px;
    }

    #hud span {
        font-size: 14px;
        padding: 4px 10px;
    }

    .btn-main {
        padding: 14px 36px;
        font-size: 22px;
    }

    .victory-title {
        font-size: 40px;
    }

    .level-btn {
        width: 50px;
        height: 50px;
        font-size: 18px;
    }

    #splash-message span {
        font-size: 32px;
    }

    #correct-message span {
        font-size: 36px;
    }
}

@media (max-width: 380px) {
    .game-title {
        font-size: 36px;
    }

    #question-panel {
        min-width: 260px;
        padding: 12px 14px;
    }

    .answer-btn {
        padding: 10px 16px;
        font-size: 18px;
    }
}