/* 奥特曼逻辑推理游戏 - 主样式文件 */

/* 基础样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Noto Sans SC', sans-serif;
    background: linear-gradient(135deg, #c0c0c0 0%, #a8a8a8 50%, #808080 100%);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

/* 背景动画效果 - 奥特曼银色主题 */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 80%, rgba(0, 255, 0, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 0, 0, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(0, 191, 255, 0.12) 0%, transparent 50%),
        radial-gradient(circle at 60% 60%, rgba(255, 255, 0, 0.08) 0%, transparent 50%);
    animation: backgroundFloat 20s ease-in-out infinite;
    pointer-events: none;
    z-index: -1;
}

/* 额外的背景动画粒子效果 - 激光粒子 */
body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(2px 2px at 20px 30px, rgba(0,255,0,0.4), transparent),
        radial-gradient(2px 2px at 40px 70px, rgba(0,191,255,0.3), transparent),
        radial-gradient(1px 1px at 90px 40px, rgba(255,255,0,0.4), transparent),
        radial-gradient(1px 1px at 130px 80px, rgba(255,0,255,0.3), transparent),
        radial-gradient(2px 2px at 160px 30px, rgba(255,100,0,0.4), transparent),
        radial-gradient(1px 1px at 200px 50px, rgba(0,255,255,0.3), transparent);
    background-repeat: repeat;
    background-size: 200px 100px;
    animation: particleFloat 15s linear infinite;
    pointer-events: none;
    z-index: -1;
}

@keyframes particleFloat {
    0% { transform: translateY(0px) translateX(0px); }
    25% { transform: translateY(-10px) translateX(5px); }
    50% { transform: translateY(-5px) translateX(-3px); }
    75% { transform: translateY(-15px) translateX(2px); }
    100% { transform: translateY(0px) translateX(0px); }
}

@keyframes laserSweep {
    0% { left: -100%; }
    100% { left: 100%; }
}

/* 游戏主容器 */
#game-container {
    position: relative;
    width: 100%;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 屏幕切换 */
.screen {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.screen.fade-in {
    animation: fadeIn 0.3s ease;
}

.screen.fade-out {
    animation: fadeOut 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeOut {
    from { opacity: 1; transform: translateY(0); }
    to { opacity: 0; transform: translateY(-20px); }
}

/* 开始界面样式 - 银色主题 */
#start-screen {
    background: linear-gradient(135deg, #c0c0c0 0%, #a8a8a8 50%, #808080 100%);
    color: #2c2c2c;
    text-align: center;
}

.ultraman-logo h1 {
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5), 0 0 20px rgba(0,255,0,0.3);
    color: #1a1a1a;
}

.subtitle {
    font-size: 1.2rem;
    margin-bottom: 40px;
    opacity: 0.9;
}

.difficulty-selection {
    margin-bottom: 40px;
}

.difficulty-selection h2 {
    font-size: 2rem;
    margin-bottom: 30px;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.3);
}

.difficulty-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.difficulty-btn {
    background: linear-gradient(145deg, #808080, #606060);
    border: 2px solid #a0a0a0;
    border-radius: 20px;
    padding: 30px 40px;
    color: #ffffff;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 8px 20px rgba(0,0,0,0.3), inset 0 1px 0 rgba(255,255,255,0.2);
    min-width: 200px;
    position: relative;
    overflow: hidden;
}

.difficulty-btn:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 25px rgba(0,0,0,0.4), 0 0 30px rgba(0,255,0,0.3);
    border-color: #00ff00;
}

.difficulty-btn:hover::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0,255,0,0.2), transparent);
    animation: laserSweep 0.6s ease;
}

.difficulty-btn:active {
    transform: translateY(-2px);
}

.level-icon {
    display: block;
    font-size: 2rem;
    margin-bottom: 10px;
}

.level-name {
    display: block;
    font-size: 1.2rem;
    margin-bottom: 5px;
}

.level-desc {
    display: block;
    font-size: 0.9rem;
    opacity: 0.8;
}

/* 游戏类型选择样式 */
.game-type-selection {
    margin-bottom: 40px;
}

.game-type-selection h2 {
    font-size: 2rem;
    margin-bottom: 30px;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.3);
}

.game-type-buttons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    justify-content: center;
    max-width: 1200px;
    margin: 0 auto;
}

.game-type-btn {
    background: linear-gradient(145deg, #909090, #707070);
    border: 2px solid #a0a0a0;
    border-radius: 15px;
    padding: 20px 15px;
    color: #ffffff;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 6px 15px rgba(0,0,0,0.3), inset 0 1px 0 rgba(255,255,255,0.2);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.game-type-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.4), 0 0 25px rgba(0,191,255,0.3);
    border-color: #00bfff;
}

.game-type-btn.active {
    background: linear-gradient(145deg, #00ff00, #00cc00);
    box-shadow: 0 8px 20px rgba(0, 255, 0, 0.4), inset 0 1px 0 rgba(255,255,255,0.3);
    border-color: #00ff00;
}

.game-type-btn.active::before {
    content: '✓';
    position: absolute;
    top: 10px;
    right: 10px;
    font-size: 1.2rem;
    font-weight: bold;
}

.type-icon {
    display: block;
    font-size: 1.8rem;
    margin-bottom: 8px;
}

.type-name {
    display: block;
    font-size: 1.1rem;
    margin-bottom: 5px;
    font-weight: 700;
}

.type-desc {
    display: block;
    font-size: 0.85rem;
    opacity: 0.9;
    line-height: 1.3;
}

.game-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    max-width: 800px;
}

.info-card {
    background: rgba(255,255,255,0.1);
    border-radius: 15px;
    padding: 20px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.2);
}

.info-card h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: #00ff00;
    text-shadow: 0 0 10px rgba(0,255,0,0.5);
}

.info-card p {
    font-size: 1rem;
    line-height: 1.5;
    opacity: 0.9;
}

/* 游戏界面样式 - 银色主题 */
#game-screen {
    background: linear-gradient(135deg, #c0c0c0 0%, #a8a8a8 50%, #808080 100%);
    color: #2c2c2c;
}

.game-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(0,0,0,0.9);
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 100;
    backdrop-filter: blur(10px);
    border-bottom: 2px solid rgba(0,255,0,0.3);
    box-shadow: 0 2px 20px rgba(0,255,0,0.2);
}

.player-info {
    display: flex;
    gap: 30px;
    align-items: center;
}

.score-display, .timer-display, .level-display {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.1rem;
    font-weight: 700;
}

.label {
    color: #00ff00;
    text-shadow: 0 0 5px rgba(0,255,0,0.5);
}

#timer.warning {
    color: #ff0000;
    animation: pulse 1s infinite, redBlink 0.5s infinite;
    text-shadow: 0 0 10px rgba(255,0,0,0.8);
}

@keyframes redBlink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.progress-bar {
    width: 200px;
    height: 8px;
    background: rgba(255,255,255,0.3);
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #00ff00, #00cc00);
    width: 0%;
    transition: width 0.5s ease;
    box-shadow: 0 0 10px rgba(0,255,0,0.5);
}

.progress-fill.progress-updating {
    animation: progressGlow 0.5s ease;
}

@keyframes progressGlow {
    0%, 100% { box-shadow: 0 0 10px rgba(0,255,0,0.5); }
    50% { box-shadow: 0 0 25px rgba(0,255,0,0.9); }
}

/* 角色区域 */
.character-area {
    position: relative;
    margin: 100px 0 40px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.ultraman-character {
    position: relative;
    width: 120px;
    height: 120px;
    background: linear-gradient(145deg, #c0c0c0, #a0a0a0);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    box-shadow: 0 10px 30px rgba(0,0,0,0.4), inset 0 2px 0 rgba(255,255,255,0.3);
    transition: all 0.3s ease;
    animation: ultramanIdle 4s ease-in-out infinite;
    border: 3px solid #808080;
}

@keyframes ultramanIdle {
    0%, 100% { 
        transform: scale(1) rotate(0deg); 
        box-shadow: 0 10px 30px rgba(0,0,0,0.4), inset 0 2px 0 rgba(255,255,255,0.3);
    }
    25% { 
        transform: scale(1.05) rotate(2deg); 
        box-shadow: 0 15px 35px rgba(0,255,0,0.3), inset 0 2px 0 rgba(255,255,255,0.4);
    }
    50% { 
        transform: scale(1.02) rotate(-1deg); 
        box-shadow: 0 12px 32px rgba(0,0,0,0.5), inset 0 2px 0 rgba(255,255,255,0.3);
    }
    75% { 
        transform: scale(1.08) rotate(1deg); 
        box-shadow: 0 18px 38px rgba(0,255,0,0.2), inset 0 2px 0 rgba(255,255,255,0.4);
    }
}

.ultraman-character.attacking {
    animation: attackAnimation 1s ease;
}

@keyframes attackAnimation {
    0% { transform: scale(1) rotate(0deg); }
    25% { transform: scale(1.2) rotate(-10deg); }
    50% { transform: scale(1.1) rotate(10deg); }
    75% { transform: scale(1.2) rotate(-5deg); }
    100% { transform: scale(1) rotate(0deg); }
}

.ultraman-eyes {
    position: absolute;
    top: 30px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 20px;
    background: #fff;
    border-radius: 50%;
    box-shadow: 0 0 10px rgba(255,255,255,0.8);
}

/* 奥特曼胸灯效果 */
.ultraman-chest-light {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 30px;
    height: 30px;
    background: #00ff00;
    border-radius: 50%;
    box-shadow: 0 0 20px rgba(0,255,0,0.8), inset 0 0 10px rgba(0,255,0,0.5);
    animation: chestLightPulse 2s ease-in-out infinite;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.ultraman-chest-light.active {
    opacity: 1;
}

.ultraman-chest-light.error {
    background: #ff0000;
    box-shadow: 0 0 20px rgba(255,0,0,0.8), inset 0 0 10px rgba(255,0,0,0.5);
    animation: chestLightError 0.5s ease-in-out infinite;
}

@keyframes chestLightPulse {
    0%, 100% { 
        transform: translate(-50%, -50%) scale(1);
        box-shadow: 0 0 20px rgba(0,255,0,0.8), inset 0 0 10px rgba(0,255,0,0.5);
    }
    50% { 
        transform: translate(-50%, -50%) scale(1.2);
        box-shadow: 0 0 30px rgba(0,255,0,1), inset 0 0 15px rgba(0,255,0,0.7);
    }
}

@keyframes chestLightError {
    0%, 100% { 
        transform: translate(-50%, -50%) scale(1);
        opacity: 1;
    }
    50% { 
        transform: translate(-50%, -50%) scale(1.3);
        opacity: 0.3;
    }
}

.energy-ring {
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    border: 3px solid #00ff00;
    border-radius: 50%;
    opacity: 0;
    transition: opacity 0.3s ease;
    box-shadow: 0 0 20px rgba(0,255,0,0.5);
}

.energy-ring.active {
    opacity: 1;
    animation: energyPulse 2s ease;
}

@keyframes energyPulse {
    0%, 100% { transform: scale(1); opacity: 1; box-shadow: 0 0 20px rgba(0,255,0,0.5); }
    50% { transform: scale(1.1); opacity: 0.7; box-shadow: 0 0 30px rgba(0,255,0,0.8); }
}

.battle-effects {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
}

.energy-wave {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 2rem;
    animation: energyWaveAnimation 1s ease;
}

@keyframes energyWaveAnimation {
    0% { transform: translate(-50%, -50%) scale(0); opacity: 1; }
    100% { transform: translate(-50%, -50%) scale(3); opacity: 0; }
}

/* 题目区域 */
.question-area {
    margin: 40px 0;
    display: flex;
    justify-content: center;
}

.monster-card {
    width: 600px;
    min-height: 450px;
    max-height: 800px;
    perspective: 1000px;
    cursor: pointer;
    transition: height 0.3s ease;
}

.monster-card .card-front,
.monster-card .card-back {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    min-height: 100%;
    backface-visibility: hidden;
    border-radius: 20px;
    padding: 30px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    transition: transform 0.6s ease;
}

.monster-card .card-front {
    background: linear-gradient(145deg, #808080, #606060);
    color: white;
    border: 2px solid #a0a0a0;
    box-shadow: 0 10px 30px rgba(0,0,0,0.4), inset 0 1px 0 rgba(255,255,255,0.2);
}

.monster-card .card-back {
    background: linear-gradient(145deg, #909090, #707070);
    color: white;
    transform: rotateY(180deg);
    justify-content: flex-start;
    padding-top: 20px;
    padding-bottom: 20px;
    border: 2px solid #a0a0a0;
    box-shadow: 0 10px 30px rgba(0,0,0,0.4), inset 0 1px 0 rgba(255,255,255,0.2);
}

.monster-card.flipped .card-front {
    transform: rotateY(-180deg);
}

.monster-card.flipped .card-back {
    transform: rotateY(0deg);
}

.monster-image {
    font-size: 4rem;
    margin-bottom: 20px;
    animation: monsterFloat 3s ease-in-out infinite;
}

@keyframes monsterFloat {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

.story-text {
    font-size: 1.4rem;
    line-height: 1.8;
    text-align: center;
    max-height: 280px;
    overflow-y: auto;
    padding: 10px;
}

.question-text {
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 20px;
    text-align: center;
    padding: 0 20px;
    flex-shrink: 0;
}

.answer-options {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    width: 100%;
    flex-grow: 1;
    align-content: start;
}

.option-btn {
    background: rgba(255,255,255,0.1);
    border: 2px solid rgba(255,255,255,0.3);
    border-radius: 12px;
    padding: 20px;
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    min-height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.option-btn:hover {
    background: rgba(0,255,0,0.2);
    border-color: #00ff00;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0,255,0,0.3);
}

.option-btn.correct {
    background: rgba(0,255,0,0.3);
    border-color: #00ff00;
    box-shadow: 0 0 20px rgba(0,255,0,0.5);
}

.option-btn.wrong {
    background: rgba(255,0,0,0.3);
    border-color: #ff0000;
    box-shadow: 0 0 20px rgba(255,0,0,0.5);
    animation: wrongShake 0.5s ease-in-out;
}

@keyframes wrongShake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

/* 操作按钮区域 */
.action-area {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin: 30px 0;
}

.action-btn {
    background: linear-gradient(145deg, #808080, #606060);
    border: 2px solid #a0a0a0;
    border-radius: 15px;
    padding: 15px 30px;
    color: #ffffff;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(0,0,0,0.3), inset 0 1px 0 rgba(255,255,255,0.2);
}

.action-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.4), 0 0 25px rgba(0,191,255,0.3);
    border-color: #00bfff;
}

.action-btn:active {
    transform: translateY(-1px);
}

.action-btn.primary {
    background: linear-gradient(145deg, #00ff00, #00cc00);
    border-color: #00ff00;
    box-shadow: 0 5px 15px rgba(0,255,0,0.3), inset 0 1px 0 rgba(255,255,255,0.3);
}

.action-btn.secondary {
    background: linear-gradient(145deg, #909090, #707070);
}

.action-btn.hint-btn {
    background: linear-gradient(145deg, #00bfff, #0099cc);
    border-color: #00bfff;
}

.action-btn.skip-btn {
    background: linear-gradient(145deg, #ff0000, #cc0000);
    border-color: #ff0000;
}

/* 卡片收集预览 */
.card-collection-preview {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: rgba(0,0,0,0.8);
    border-radius: 15px;
    padding: 15px;
    backdrop-filter: blur(10px);
    max-width: 300px;
}

.card-collection-preview h3 {
    font-size: 1rem;
    margin-bottom: 10px;
    color: #ffd700;
}

.collected-cards {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.collected-card {
    background: linear-gradient(145deg, #ffd700, #ffed4e);
    color: #333;
    padding: 5px 10px;
    border-radius: 8px;
    font-size: 0.8rem;
    font-weight: 700;
}

.collected-card.rare {
    background: linear-gradient(145deg, #3498db, #2980b9);
    color: white;
}

.collected-card.epic {
    background: linear-gradient(145deg, #9b59b6, #8e44ad);
    color: white;
}

.collected-card.legendary {
    background: linear-gradient(145deg, #f39c12, #e67e22);
    color: white;
}

/* 结果界面样式 - 银色主题 */
#result-screen {
    background: linear-gradient(135deg, #c0c0c0 0%, #a8a8a8 50%, #808080 100%);
    color: #2c2c2c;
    text-align: center;
}

.result-content {
    max-width: 800px;
    width: 100%;
}

.result-content h1 {
    font-size: 3rem;
    margin-bottom: 40px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.final-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.stat-item {
    background: rgba(255,255,255,0.1);
    border-radius: 15px;
    padding: 20px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.2);
}

.stat-label {
    display: block;
    font-size: 1rem;
    margin-bottom: 10px;
    color: #00ff00;
    text-shadow: 0 0 5px rgba(0,255,0,0.5);
}

.stat-value {
    display: block;
    font-size: 2rem;
    font-weight: 900;
    color: white;
}

.ability-analysis {
    background: rgba(255,255,255,0.1);
    border-radius: 15px;
    padding: 30px;
    margin-bottom: 40px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.2);
}

.ability-analysis h2 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: #00ff00;
    text-shadow: 0 0 10px rgba(0,255,0,0.5);
}

.analysis-content {
    font-size: 1.1rem;
    line-height: 1.6;
    text-align: left;
}

.card-showcase {
    margin-bottom: 40px;
}

.card-showcase h2 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: #00ff00;
    text-shadow: 0 0 10px rgba(0,255,0,0.5);
}

.card-wall {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.card {
    background: rgba(255,255,255,0.1);
    border-radius: 15px;
    padding: 20px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.2);
    transition: transform 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
}

.card.common {
    border-color: #95a5a6;
}

.card.rare {
    border-color: #3498db;
}

.card.epic {
    border-color: #9b59b6;
}

.card.legendary {
    border-color: #f39c12;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.card-emoji {
    font-size: 2rem;
}

.card-rarity {
    font-size: 0.8rem;
    padding: 5px 10px;
    border-radius: 10px;
    background: rgba(255,255,255,0.2);
}

.card-name {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.card-description {
    font-size: 0.9rem;
    opacity: 0.8;
    margin-bottom: 15px;
}

.card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-score {
    font-weight: 700;
    color: #00ff00;
    text-shadow: 0 0 5px rgba(0,255,0,0.5);
}

.card-date {
    font-size: 0.8rem;
    opacity: 0.7;
}

.result-actions {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

/* 加载界面样式 - 奥特曼射线主题 */
#loading-screen {
    background: 
        radial-gradient(circle at center, rgba(0,255,0,0.1) 0%, transparent 50%),
        linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 50%, #1a1a1a 100%);
    color: #ffffff;
    position: relative;
    overflow: hidden;
}

/* 奥特曼射线背景效果 */
#loading-screen::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        conic-gradient(from 0deg at 50% 50%, 
            transparent 0deg, 
            rgba(0,255,0,0.1) 30deg, 
            transparent 60deg,
            rgba(0,191,255,0.1) 90deg,
            transparent 120deg,
            rgba(255,255,0,0.1) 150deg,
            transparent 180deg,
            rgba(255,0,255,0.1) 210deg,
            transparent 240deg,
            rgba(255,100,0,0.1) 270deg,
            transparent 300deg,
            rgba(0,255,255,0.1) 330deg,
            transparent 360deg);
    animation: rayRotation 4s linear infinite;
    pointer-events: none;
}

/* 射线粒子效果 */
#loading-screen::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(2px 2px at 20% 20%, rgba(0,255,0,0.6), transparent),
        radial-gradient(2px 2px at 80% 20%, rgba(0,191,255,0.6), transparent),
        radial-gradient(2px 2px at 20% 80%, rgba(255,255,0,0.6), transparent),
        radial-gradient(2px 2px at 80% 80%, rgba(255,0,255,0.6), transparent),
        radial-gradient(1px 1px at 50% 50%, rgba(255,100,0,0.8), transparent);
    background-repeat: no-repeat;
    background-size: 100% 100%;
    animation: rayParticles 3s ease-in-out infinite;
    pointer-events: none;
}

@keyframes rayRotation {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes rayParticles {
    0%, 100% { 
        opacity: 0.3;
        transform: scale(1);
    }
    50% { 
        opacity: 0.8;
        transform: scale(1.2);
    }
}

.loading-content {
    text-align: center;
    position: relative;
    z-index: 10;
    background: rgba(0,0,0,0.3);
    padding: 40px;
    border-radius: 20px;
    backdrop-filter: blur(10px);
    border: 2px solid rgba(0,255,0,0.3);
    box-shadow: 0 0 30px rgba(0,255,0,0.2);
}

.loading-spinner {
    width: 100px;
    height: 100px;
    margin: 0 auto 30px;
    position: relative;
    animation: raySpin 2s linear infinite;
}

/* 射线旋转器 */
.loading-spinner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: conic-gradient(from 0deg, 
        transparent 0deg,
        rgba(0,255,0,0.8) 45deg,
        rgba(0,191,255,0.8) 90deg,
        rgba(255,255,0,0.8) 135deg,
        rgba(255,0,255,0.8) 180deg,
        rgba(255,100,0,0.8) 225deg,
        rgba(0,255,255,0.8) 270deg,
        rgba(0,255,0,0.8) 315deg,
        transparent 360deg);
    animation: raySpin 1s linear infinite;
}

/* 中心圆点 */
.loading-spinner::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 20px;
    height: 20px;
    background: radial-gradient(circle, #00ff00, #00cc00);
    border-radius: 50%;
    box-shadow: 0 0 20px rgba(0,255,0,0.8);
    animation: centerPulse 1.5s ease-in-out infinite;
}

@keyframes raySpin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes centerPulse {
    0%, 100% { 
        transform: translate(-50%, -50%) scale(1);
        box-shadow: 0 0 20px rgba(0,255,0,0.8);
    }
    50% { 
        transform: translate(-50%, -50%) scale(1.3);
        box-shadow: 0 0 30px rgba(0,255,0,1);
    }
}

.loading-content p {
    font-size: 1.6rem;
    opacity: 1;
    margin-bottom: 30px;
    font-weight: 700;
    color: #00ff00;
    text-shadow: 0 0 10px rgba(0,255,0,0.8);
    animation: textGlow 2s ease-in-out infinite;
}

@keyframes textGlow {
    0%, 100% { 
        text-shadow: 0 0 10px rgba(0,255,0,0.8);
        transform: scale(1);
    }
    50% { 
        text-shadow: 0 0 20px rgba(0,255,0,1);
        transform: scale(1.05);
    }
}

.loading-progress {
    width: 300px;
    height: 8px;
    background: rgba(0,0,0,0.5);
    border-radius: 4px;
    margin: 0 auto;
    overflow: hidden;
    border: 1px solid rgba(0,255,0,0.3);
    box-shadow: inset 0 0 10px rgba(0,0,0,0.5);
}

.loading-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, 
        #00ff00 0%, 
        #00bfff 25%, 
        #ffff00 50%, 
        #ff00ff 75%, 
        #ff6400 100%);
    width: 0%;
    animation: loadingProgress 3s ease-in-out infinite;
    border-radius: 4px;
    box-shadow: 0 0 15px rgba(0,255,0,0.6);
    position: relative;
}

.loading-progress-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(255,255,255,0.3) 50%, 
        transparent 100%);
    animation: progressShine 2s linear infinite;
}

@keyframes progressShine {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

@keyframes loadingProgress {
    0% { width: 0%; }
    50% { width: 70%; }
    100% { width: 100%; }
}

/* 额外的射线效果 */
.loading-content::before {
    content: '';
    position: absolute;
    top: -50px;
    left: -50px;
    right: -50px;
    bottom: -50px;
    background: 
        linear-gradient(45deg, transparent 30%, rgba(0,255,0,0.1) 50%, transparent 70%),
        linear-gradient(-45deg, transparent 30%, rgba(0,191,255,0.1) 50%, transparent 70%),
        linear-gradient(135deg, transparent 30%, rgba(255,255,0,0.1) 50%, transparent 70%),
        linear-gradient(-135deg, transparent 30%, rgba(255,0,255,0.1) 50%, transparent 70%);
    animation: rayLines 3s ease-in-out infinite;
    pointer-events: none;
}

@keyframes rayLines {
    0%, 100% { 
        opacity: 0.3;
        transform: scale(1) rotate(0deg);
    }
    50% { 
        opacity: 0.8;
        transform: scale(1.1) rotate(180deg);
    }
}

/* 弹窗样式 */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.8);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: white;
    border-radius: 20px;
    padding: 30px;
    max-width: 500px;
    width: 90%;
    text-align: center;
    color: #333;
}

.modal-content h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: #ff6b6b;
}

.modal-content p {
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 30px;
}

/* 动画效果 */
.correct-animation, .wrong-animation {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 3rem;
    z-index: 1000;
    animation: popIn 1s ease;
}

@keyframes popIn {
    0% { transform: translate(-50%, -50%) scale(0); opacity: 0; }
    50% { transform: translate(-50%, -50%) scale(1.2); opacity: 1; }
    100% { transform: translate(-50%, -50%) scale(1); opacity: 0; }
}

.card-award-animation {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(0,0,0,0.9);
    border-radius: 20px;
    padding: 30px;
    color: white;
    z-index: 1000;
    animation: slideIn 3s ease;
}

@keyframes slideIn {
    0% { transform: translate(-50%, -50%) scale(0); opacity: 0; }
    20% { transform: translate(-50%, -50%) scale(1); opacity: 1; }
    80% { transform: translate(-50%, -50%) scale(1); opacity: 1; }
    100% { transform: translate(-50%, -50%) scale(0); opacity: 0; }
}

.awarded-card {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 15px 0;
    padding: 15px;
    border-radius: 10px;
    background: linear-gradient(145deg, #00ff00, #00cc00);
    color: #000;
    box-shadow: 0 0 20px rgba(0,255,0,0.5);
}

.score-increase-effect {
    position: absolute;
    top: -30px;
    right: -30px;
    color: #00ff00;
    font-size: 1.2rem;
    font-weight: 700;
    animation: scoreFloat 1.5s ease;
    text-shadow: 0 0 10px rgba(0,255,0,0.8);
}

@keyframes scoreFloat {
    0% { transform: translateY(0); opacity: 1; }
    100% { transform: translateY(-50px); opacity: 0; }
}

.streak-effect {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 1000;
    animation: streakPop 2s ease;
}

@keyframes streakPop {
    0% { transform: translate(-50%, -50%) scale(0); opacity: 0; }
    20% { transform: translate(-50%, -50%) scale(1.2); opacity: 1; }
    80% { transform: translate(-50%, -50%) scale(1); opacity: 1; }
    100% { transform: translate(-50%, -50%) scale(0); opacity: 0; }
}

.streak-text {
    font-size: 2rem;
    font-weight: 900;
    color: #00ff00;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5), 0 0 20px rgba(0,255,0,0.8);
}

.streak-fireworks {
    font-size: 3rem;
    animation: fireworks 2s ease;
}

@keyframes fireworks {
    0%, 100% { transform: scale(1) rotate(0deg); }
    25% { transform: scale(1.2) rotate(90deg); }
    50% { transform: scale(1.1) rotate(180deg); }
    75% { transform: scale(1.2) rotate(270deg); }
}

.victory-celebration {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1000;
    pointer-events: none;
}

.celebration-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 4rem;
    font-weight: 900;
    color: #00ff00;
    text-shadow: 3px 3px 6px rgba(0,0,0,0.5), 0 0 30px rgba(0,255,0,0.8);
    animation: celebrationBounce 2s ease;
}

@keyframes celebrationBounce {
    0%, 100% { transform: translate(-50%, -50%) scale(1); }
    25% { transform: translate(-50%, -50%) scale(1.2); }
    50% { transform: translate(-50%, -50%) scale(1.1); }
    75% { transform: translate(-50%, -50%) scale(1.3); }
}

.celebration-effects {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.confetti {
    position: absolute;
    width: 10px;
    height: 10px;
    background: #00ff00;
    animation: confettiFall 2s ease;
    box-shadow: 0 0 10px rgba(0,255,0,0.8);
}

.confetti:nth-child(1) { left: 10%; animation-delay: 0s; }
.confetti:nth-child(2) { left: 30%; animation-delay: 0.2s; }
.confetti:nth-child(3) { left: 50%; animation-delay: 0.4s; }
.confetti:nth-child(4) { left: 70%; animation-delay: 0.6s; }
.confetti:nth-child(5) { left: 90%; animation-delay: 0.8s; }

@keyframes confettiFall {
    0% { transform: translateY(-100px) rotate(0deg); opacity: 1; }
    100% { transform: translateY(100vh) rotate(360deg); opacity: 0; }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .ultraman-logo h1 {
        font-size: 2rem;
    }
    
    .difficulty-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .difficulty-btn {
        min-width: 250px;
    }
    
    .game-info {
        grid-template-columns: 1fr;
    }
    
    .player-info {
        flex-direction: column;
        gap: 15px;
    }
    
    .monster-card {
        width: 500px;
        height: 350px;
    }
    
    .story-text {
        font-size: 1.2rem;
        max-height: 200px;
    }
    
    .question-text {
        font-size: 1.4rem;
        margin-bottom: 15px;
    }
    
    .option-btn {
        font-size: 1.1rem;
        padding: 15px;
        min-height: 50px;
    }
    
    .answer-options {
        grid-template-columns: 1fr;
    }
    
    .action-area {
        flex-direction: column;
        align-items: center;
    }
    
    .result-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .card-wall {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .ultraman-logo h1 {
        font-size: 1.5rem;
    }
    
    .subtitle {
        font-size: 1rem;
    }
    
    .monster-card {
        width: 400px;
        height: 300px;
    }
    
    .story-text {
        font-size: 1.1rem;
        max-height: 150px;
    }
    
    .question-text {
        font-size: 1.3rem;
        margin-bottom: 25px;
    }
    
    .option-btn {
        font-size: 1rem;
        padding: 12px;
        min-height: 45px;
    }
    
    .monster-image {
        font-size: 3rem;
    }
    
    .story-text {
        font-size: 1rem;
    }
    
    .question-text {
        font-size: 1.1rem;
    }
    
    .ultraman-character {
        width: 100px;
        height: 100px;
        font-size: 2.5rem;
    }
}

/* Hint显示区域样式 - 激光蓝色主题 */
.hint-area {
    margin: 10px 0;
    background: linear-gradient(135deg, rgba(0, 191, 255, 0.2) 0%, rgba(0, 150, 255, 0.2) 100%);
    border: 2px solid #00bfff;
    border-radius: 12px;
    padding: 12px;
    box-shadow: 0 4px 15px rgba(0, 191, 255, 0.3);
    animation: hintSlideIn 0.5s ease-out;
    flex-shrink: 0;
}

.hint-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid rgba(0, 191, 255, 0.3);
}

.hint-icon {
    font-size: 1.5rem;
    animation: hintPulse 2s infinite;
    color: #00bfff;
    text-shadow: 0 0 10px rgba(0, 191, 255, 0.8);
}

.hint-title {
    font-size: 1.2rem;
    font-weight: bold;
    color: #00bfff;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.3), 0 0 10px rgba(0, 191, 255, 0.5);
}

.hint-content {
    font-size: 1rem;
    line-height: 1.6;
    color: #fff;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.5);
}

@keyframes hintSlideIn {
    0% {
        opacity: 0;
        transform: translateY(20px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes hintPulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}

/* 移动端hint样式调整 */
@media (max-width: 768px) {
    .hint-area {
        margin: 8px 0;
        padding: 10px;
    }
    
    .hint-header {
        margin-bottom: 10px;
        padding-bottom: 8px;
    }
    
    .hint-icon {
        font-size: 1.3rem;
    }
    
    .hint-title {
        font-size: 1.1rem;
    }
    
    .hint-content {
        font-size: 0.9rem;
    }
}