/* ===== 全域設定 ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Microsoft JhengHei', 'Arial', sans-serif;
    overflow: hidden;
    background: #1e293b;
}

/* ===== 畫面切換系統 ===== */
.screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: none;
    z-index: 100;
}

.screen.active {
    display: flex;
    animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* ===== 載入畫面 ===== */
#loading-screen {
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.loading-content {
    text-align: center;
    color: white;
}

.spinner {
    width: 60px;
    height: 60px;
    border: 4px solid rgba(255, 255, 255, 0.1);
    border-top-color: #f59e0b;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ===== 標題畫面 ===== */
#title-screen {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
    justify-content: center;
    align-items: center;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;  /* 垂直置中 */
    justify-content: center;  /* 水平置中 */
    min-height: 100vh;
}

.title-glow {
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(245, 158, 11, 0.3) 0%, transparent 70%);
    animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.3; }
    50% { transform: scale(1.1); opacity: 0.5; }
}

.title-content {
    text-align: center;
    color: white;
    z-index: 10;
    animation: slideUp 1s ease-out;
}

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

.master-icon {
    width: 120px;
    height: 120px;
    background: linear-gradient(135deg, #f59e0b 0%, #fb923c 100%);
    border-radius: 50%;
    margin: 0 auto 30px;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 0 50px rgba(245, 158, 11, 0.6);
    animation: float 3s ease-in-out infinite;
}

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

.sparkle {
    font-size: 60px;
    animation: sparkleRotate 4s linear infinite;
}

@keyframes sparkleRotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.game-title {
    font-size: 56px;
    font-weight: bold;
    background: linear-gradient(135deg, #fbbf24 0%, #fb923c 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 15px;
    letter-spacing: 5px;
}

.game-subtitle {
    font-size: 24px;
    color: #cbd5e1;
    margin-bottom: 30px;
    letter-spacing: 3px;
}

.title-description {
    margin: 30px 0;
    color: #94a3b8;
}

.ai-badge {
    display: inline-block;
    background: rgba(59, 130, 246, 0.2);
    border: 2px solid #3b82f6;
    padding: 8px 16px;
    border-radius: 20px;
    margin-top: 10px;
    font-size: 14px;
    color: #60a5fa;
}

.title-buttons {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-top: 40px;
    align-items: center;
}

.title-btn {
    min-width: 300px;
    padding: 16px 32px;
    font-size: 18px;
    font-weight: bold;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.title-btn.primary {
    background: linear-gradient(135deg, #f59e0b 0%, #fb923c 100%);
    color: white;
    box-shadow: 0 4px 20px rgba(245, 158, 11, 0.4);
}

.title-btn.primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 30px rgba(245, 158, 11, 0.6);
}

.title-btn:not(.primary) {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.title-btn:not(.primary):hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.4);
}

/* ===== 關於畫面 ===== */
#about-screen {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    justify-content: center;
    align-items: center;
    padding: 40px;
}

.about-content {
    max-width: 800px;
    background: rgba(30, 41, 59, 0.95);
    padding: 40px;
    border-radius: 20px;
    border: 2px solid rgba(245, 158, 11, 0.3);
    color: white;
    max-height: 90vh;
    overflow-y: auto;
}

.about-content h2 {
    color: #fbbf24;
    font-size: 32px;
    margin-bottom: 30px;
    text-align: center;
}

.about-content h3 {
    color: #fb923c;
    font-size: 20px;
    margin: 25px 0 15px;
}

.about-text {
    line-height: 1.8;
    color: #cbd5e1;
}

.about-text ul {
    list-style-position: inside;
    margin: 15px 0;
}

.about-text li {
    margin: 10px 0;
}

/* ===== API 設定畫面 ===== */
#api-config-screen {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    justify-content: center;
    align-items: center;
    padding: 40px;
}

.config-content {
    max-width: 600px;
    background: rgba(30, 41, 59, 0.95);
    padding: 40px;
    border-radius: 20px;
    border: 2px solid rgba(59, 130, 246, 0.3);
    color: white;
}

.config-content h2 {
    color: #60a5fa;
    font-size: 32px;
    margin-bottom: 20px;
    text-align: center;
}

.config-description {
    color: #cbd5e1;
    line-height: 1.6;
    margin-bottom: 30px;
    text-align: center;
}

.config-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.config-form label {
    color: #94a3b8;
    font-weight: bold;
}

.api-key-input {
    width: 100%;
    padding: 15px;
    font-size: 16px;
    border: 2px solid rgba(59, 130, 246, 0.3);
    border-radius: 8px;
    background: rgba(15, 23, 42, 0.6);
    color: white;
    outline: none;
    transition: all 0.3s ease;
}

.api-key-input:focus {
    border-color: #3b82f6;
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.3);
}

.remember-key-label {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    margin-top: 12px;
    color: #cbd5e1;
    font-weight: normal;
    font-size: 14px;
    line-height: 1.4;
    cursor: pointer;
}

.remember-key-label input[type="checkbox"] {
    margin-top: 2px;
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    cursor: pointer;
}

.config-buttons {
    display: flex;
    gap: 15px;
}

.config-btn {
    flex: 1;
    padding: 14px 24px;
    font-size: 16px;
    font-weight: bold;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.config-btn.primary {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    color: white;
}

.config-btn.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.4);
}

.config-btn:not(.primary) {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.config-btn:not(.primary):hover {
    background: rgba(255, 255, 255, 0.2);
}

.config-note {
    color: #94a3b8;
    font-size: 14px;
    line-height: 1.6;
    padding: 15px;
    background: rgba(59, 130, 246, 0.1);
    border-radius: 8px;
    border-left: 4px solid #3b82f6;
}

/* ===== 遊戲主畫面 ===== */
#game-screen {
    background: black;
}

/* 頂部 UI */
#top-ui {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 80px;
    background: linear-gradient(180deg, rgba(0, 0, 0, 0.9) 0%, rgba(0, 0, 0, 0.7) 100%);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
    z-index: 50;
    backdrop-filter: blur(10px);
}

.game-info {
    display: flex;
    align-items: center;
    gap: 20px;
}

.game-logo {
    font-size: 18px;
    font-weight: bold;
    color: #fbbf24;
}

.chapter-name {
    font-size: 16px;
    color: #cbd5e1;
    padding: 5px 15px;
    background: rgba(245, 158, 11, 0.2);
    border-radius: 15px;
}

.gems-display {
    display: flex;
    gap: 15px;
}

.gem-slot {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
}

.gem-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 3px solid rgba(255, 255, 255, 0.3);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 20px;
    transition: all 0.3s ease;
    background: rgba(0, 0, 0, 0.5);
}

.gem-icon.empty {
    background: rgba(30, 41, 59, 0.8);
}

.gem-icon.empty .gem-number {
    font-size: 16px;
    color: #64748b;
}

.gem-icon.collected {
    background-size: cover;
    background-position: center;
    border-color: white;
    box-shadow: 0 0 20px currentColor;
    animation: gemPulse 2s ease-in-out infinite;
}

.gem-icon.good-deed {
    filter: hue-rotate(100deg) saturate(150%) brightness(1.2);
    color: #10b981;
}

.gem-icon.good-word {
    filter: hue-rotate(200deg) saturate(150%) brightness(1.2);
    color: #3b82f6;
}

.gem-icon.good-heart {
    filter: hue-rotate(30deg) saturate(150%) brightness(1.3);
    color: #f59e0b;
}

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

.gem-label {
    font-size: 12px;
    color: #94a3b8;
    font-weight: bold;
}

.menu-btn {
    background: rgba(59, 130, 246, 0.2);
    border: 2px solid #3b82f6;
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 8px;
    font-size: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.menu-btn:hover {
    background: rgba(59, 130, 246, 0.4);
    transform: scale(1.05);
}

/* 遊戲選單 */
.menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.menu-overlay.active {
    display: flex;
}

.menu-content {
    background: rgba(30, 41, 59, 0.95);
    padding: 40px;
    border-radius: 20px;
    border: 2px solid rgba(59, 130, 246, 0.3);
    min-width: 400px;
}

.menu-content h3 {
    color: #60a5fa;
    font-size: 28px;
    margin-bottom: 30px;
    text-align: center;
}

.menu-option {
    width: 100%;
    padding: 15px 25px;
    margin-bottom: 15px;
    font-size: 18px;
    font-weight: bold;
    background: rgba(59, 130, 246, 0.2);
    border: 2px solid #3b82f6;
    color: white;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 10px;
}

.menu-option:hover {
    background: rgba(59, 130, 246, 0.4);
    transform: translateX(10px);
}

.menu-option.close {
    background: rgba(239, 68, 68, 0.2);
    border-color: #ef4444;
}

.menu-option.close:hover {
    background: rgba(239, 68, 68, 0.4);
}

/* 遊戲容器 */
#game-container {
    position: relative;
    width: 100%;
    height: 100%;
}

/* 場景背景 */
#scene-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    transition: opacity 1s ease;
}

/* 角色層 */
#characters-layer {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    padding: 0 50px 200px;
    pointer-events: none;
}

.character-pos {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: flex-end;
    max-width: 400px;
    transition: all 0.5s ease;
}

.character-pos img {
    max-height: 70vh;
    width: auto;
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.5s ease;
    filter: brightness(0.8);
}

.character-pos img.active {
    opacity: 1;
    transform: translateY(0);
}

.character-pos img.speaking {
    filter: brightness(1) drop-shadow(0 0 30px rgba(251, 191, 36, 0.6));
    transform: scale(1.05) translateY(-10px);
}

/* 對話框 */
#dialogue-box {
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 90%;
    max-width: 1200px;
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.95) 0%, rgba(30, 41, 59, 0.95) 100%);
    border: 3px solid rgba(245, 158, 11, 0.5);
    border-radius: 20px 20px 0 0;
    padding: 30px 40px;
    box-shadow: 0 -10px 40px rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
    z-index: 40;
}

#speaker-name {
    font-size: 22px;
    font-weight: bold;
    color: #fbbf24;
    margin-bottom: 15px;
    text-shadow: 0 0 10px rgba(251, 191, 36, 0.5);
}

#dialogue-text {
    font-size: 20px;
    line-height: 1.8;
    color: #e2e8f0;
    min-height: 80px;
}

#dialogue-indicator {
    position: absolute;
    bottom: 15px;
    right: 30px;
    font-size: 24px;
    color: #fbbf24;
    animation: bounce 1s ease-in-out infinite;
}

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

/* 選擇按鈕 */
#choices-container {
    position: absolute;
    bottom: 220px;
    left: 50%;
    transform: translateX(-50%);
    width: 90%;
    max-width: 800px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    z-index: 45;
}

.choice-btn {
    padding: 20px 30px;
    font-size: 18px;
    font-weight: bold;
    background: rgba(30, 41, 59, 0.95);
    border: 3px solid;
    border-radius: 15px;
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: left;
    backdrop-filter: blur(10px);
}

.choice-btn.positive {
    border-color: #10b981;
    background: rgba(16, 185, 129, 0.1);
}

.choice-btn.positive:hover {
    background: rgba(16, 185, 129, 0.3);
    transform: translateX(10px);
    box-shadow: 0 0 20px rgba(16, 185, 129, 0.5);
}

.choice-btn.neutral {
    border-color: #3b82f6;
    background: rgba(59, 130, 246, 0.1);
}

.choice-btn.neutral:hover {
    background: rgba(59, 130, 246, 0.3);
    transform: translateX(10px);
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.5);
}

.choice-btn.negative {
    border-color: #ef4444;
    background: rgba(239, 68, 68, 0.1);
}

.choice-btn.negative:hover {
    background: rgba(239, 68, 68, 0.3);
    transform: translateX(10px);
    box-shadow: 0 0 20px rgba(239, 68, 68, 0.5);
}

/* AI 輸入介面 */
#ai-input-container {
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 90%;
    max-width: 1200px;
    z-index: 45;
}

.ai-prompt-box {
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.98) 0%, rgba(30, 41, 59, 0.98) 100%);
    border: 3px solid rgba(59, 130, 246, 0.5);
    border-radius: 20px 20px 0 0;
    padding: 30px;
    backdrop-filter: blur(10px);
    box-shadow: 0 -10px 40px rgba(0, 0, 0, 0.5);
}

.ai-prompt-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
}

.ai-icon {
    font-size: 28px;
}

.ai-title {
    font-size: 22px;
    font-weight: bold;
    color: #60a5fa;
}

.ai-prompt-description {
    font-size: 18px;
    color: #cbd5e1;
    line-height: 1.6;
    margin-bottom: 20px;
    padding: 15px;
    background: rgba(59, 130, 246, 0.1);
    border-left: 4px solid #3b82f6;
    border-radius: 8px;
}

.ai-hint-box {
    margin-bottom: 20px;
}

.hint-toggle {
    background: rgba(245, 158, 11, 0.2);
    border: 2px solid #f59e0b;
    color: #fbbf24;
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: bold;
}

.hint-toggle:hover {
    background: rgba(245, 158, 11, 0.3);
    transform: scale(1.05);
}

.hint-content {
    margin-top: 15px;
    padding: 15px;
    background: rgba(245, 158, 11, 0.1);
    border-left: 4px solid #f59e0b;
    border-radius: 8px;
    color: #fbbf24;
    line-height: 1.6;
}

#user-input {
    width: 100%;
    min-height: 120px;
    padding: 15px;
    font-size: 18px;
    background: rgba(15, 23, 42, 0.8);
    border: 2px solid rgba(59, 130, 246, 0.3);
    border-radius: 10px;
    color: white;
    resize: vertical;
    font-family: inherit;
    line-height: 1.6;
}

#user-input:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.3);
}

.ai-input-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 15px;
}

.char-count {
    color: #64748b;
    font-size: 14px;
}

.ai-submit-btn {
    padding: 15px 40px;
    font-size: 18px;
    font-weight: bold;
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    border: none;
    border-radius: 10px;
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.4);
    display: flex;
    align-items: center;
    gap: 10px;
}

.ai-submit-btn:hover:not(:disabled) {
    transform: translateY(-3px);
    box-shadow: 0 6px 30px rgba(59, 130, 246, 0.6);
}

.ai-submit-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* AI 分析中 */
.ai-analyzing {
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.98) 0%, rgba(30, 41, 59, 0.98) 100%);
    border: 3px solid rgba(59, 130, 246, 0.5);
    border-radius: 20px 20px 0 0;
    padding: 60px 30px;
    backdrop-filter: blur(10px);
    box-shadow: 0 -10px 40px rgba(0, 0, 0, 0.5);
}

.analyzing-content {
    text-align: center;
    color: white;
}

.spinner-large {
    width: 80px;
    height: 80px;
    border: 6px solid rgba(59, 130, 246, 0.2);
    border-top-color: #3b82f6;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 25px;
}

.analyzing-text {
    font-size: 24px;
    font-weight: bold;
    color: #60a5fa;
    margin-bottom: 10px;
}

.analyzing-subtext {
    font-size: 16px;
    color: #94a3b8;
}

/* AI 結果顯示 */
#ai-result {
    margin-top: 20px;
    padding: 25px;
    border-radius: 15px;
    backdrop-filter: blur(10px);
    animation: slideUp 0.5s ease-out;
}

#ai-result.success {
    background: rgba(16, 185, 129, 0.2);
    border: 3px solid #10b981;
}

#ai-result.failure {
    background: rgba(239, 68, 68, 0.2);
    border: 3px solid #ef4444;
}

.result-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
    font-size: 22px;
    font-weight: bold;
}

#ai-result.success .result-header {
    color: #10b981;
}

#ai-result.failure .result-header {
    color: #ef4444;
}

.result-content {
    color: #e2e8f0;
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 20px;
}

.result-actions {
    display: flex;
    gap: 15px;
}

.result-btn {
    flex: 1;
    padding: 14px 24px;
    font-size: 16px;
    font-weight: bold;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.result-btn.primary {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
}

.result-btn.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(16, 185, 129, 0.4);
}

.result-btn.secondary {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

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

/* 寶石收集動畫 */
@keyframes gemCollect {
    0% {
        transform: translateY(0) scale(0);
        opacity: 0;
    }
    50% {
        transform: translateY(-100px) scale(1.5);
        opacity: 1;
    }
    100% {
        transform: translateY(-200px) scale(0.8);
        opacity: 0;
    }
}

.gem-collect-animation {
    position: fixed;
    font-size: 60px;
    animation: gemCollect 2s ease-out;
    pointer-events: none;
    z-index: 9999;
}

/* 響應式設計 */
@media (max-width: 768px) {
    .game-title {
        font-size: 40px;
    }

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

    .title-btn {
        min-width: 250px;
        font-size: 16px;
    }

    #top-ui {
        height: 50px;
        padding: 0 10px;
    }

    .game-logo {
        font-size: 14px;
    }

    .chapter-name {
        font-size: 12px;
    }

    .gem-icon {
        width: 32px;
        height: 32px;
    }

    .gem-label {
        font-size: 10px;
    }

    #dialogue-box {
        padding: 20px;
    }

    #speaker-name {
        font-size: 18px;
    }

    #dialogue-text {
        font-size: 16px;
        min-height: 60px;
    }

    .choice-btn {
        padding: 15px 20px;
        font-size: 16px;
    }

    .ai-prompt-box {
        padding: 20px;
    }

    .ai-title {
        font-size: 18px;
    }

    .ai-prompt-description {
        font-size: 16px;
    }

    #user-input {
        min-height: 100px;
        font-size: 16px;
    }

    .about-content,
    .config-content {
        padding: 25px;
    }
}

/* ===== 平板裝置 (768px - 1024px) ===== */
@media screen and (max-width: 1024px) and (min-width: 769px) {
    .game-title {
        font-size: 48px;
    }

    .game-subtitle {
        font-size: 22px;
    }

    #dialogue-box {
        padding: 25px;
        max-width: 85%;
    }

    .ai-prompt-box {
        max-width: 85%;
    }

    .choice-btn {
        max-width: 85%;
    }
}

/* ===== 小型手機 (最大 480px) ===== */
@media screen and (max-width: 480px) {
    .game-title {
        font-size: 28px;
    }

    .game-subtitle {
        font-size: 14px;
    }

    .title-btn {
        min-width: 200px;
        font-size: 14px;
        padding: 12px 24px;
    }

    .master-icon {
        width: 80px;
        height: 80px;
    }

    .sparkle {
        font-size: 30px;
    }

    #top-ui {
        height: 45px;
        padding: 0 8px;
    }

    .game-logo {
        font-size: 12px;
    }

    .chapter-name {
        font-size: 11px;
    }

    .gem-icon {
        width: 28px;
        height: 28px;
    }

    .gem-label {
        font-size: 9px;
    }

    .gem-number {
        font-size: 10px;
    }

    #dialogue-box {
        padding: 15px;
        max-width: 95%;
        bottom: 15px;
    }

    #speaker-name {
        font-size: 16px;
        margin-bottom: 8px;
    }

    #dialogue-text {
        font-size: 14px;
        min-height: 50px;
        line-height: 1.6;
    }

    .choice-btn {
        padding: 12px 16px;
        font-size: 14px;
        margin: 8px;
    }

    .ai-prompt-box {
        padding: 15px;
        max-width: 95%;
    }

    .ai-title {
        font-size: 16px;
    }

    .ai-prompt-description {
        font-size: 14px;
    }

    #user-input {
        min-height: 80px;
        font-size: 14px;
        padding: 12px;
    }

    .ai-submit-btn {
        padding: 10px 20px;
        font-size: 14px;
    }

    .about-content,
    .config-content {
        padding: 20px;
        max-width: 95%;
    }

    .about-content h2,
    .config-content h2 {
        font-size: 22px;
    }

    .about-content h3 {
        font-size: 18px;
    }

    .about-text {
        font-size: 14px;
    }

    .menu-content {
        width: 90%;
        padding: 20px;
    }

    .menu-option {
        padding: 12px;
        font-size: 14px;
    }
}

/* ===== 橫向模式優化 ===== */
@media screen and (max-height: 600px) and (orientation: landscape) {
    .game-title {
        font-size: 32px;
        margin-bottom: 8px;
    }

    .game-subtitle {
        font-size: 16px;
        margin-bottom: 8px;
    }

    .title-description {
        display: none;
    }

    .master-icon {
        width: 60px;
        height: 60px;
        margin-bottom: 8px;
    }

    .title-btn {
        padding: 10px 20px;
        font-size: 14px;
        margin: 5px;
    }

    #dialogue-box {
        padding: 12px 20px;
        bottom: 10px;
    }

    #speaker-name {
        font-size: 14px;
        margin-bottom: 6px;
    }

    #dialogue-text {
        font-size: 14px;
        min-height: 40px;
        line-height: 1.4;
    }

    #top-ui {
        height: 40px;
    }

    .character-pos img {
        max-height: 60vh;
    }
}

/* ===== 超寬螢幕優化 (1920px+) ===== */
@media screen and (min-width: 1920px) {
    .game-title {
        font-size: 72px;
    }

    .game-subtitle {
        font-size: 32px;
    }

    #dialogue-box {
        padding: 35px 45px;
        max-width: 900px;
    }

    #speaker-name {
        font-size: 28px;
    }

    #dialogue-text {
        font-size: 22px;
        line-height: 2;
    }

    .choice-btn {
        padding: 20px 40px;
        font-size: 20px;
        max-width: 600px;
    }

    .ai-prompt-box {
        max-width: 900px;
        padding: 35px;
    }

    .gem-icon {
        width: 50px;
        height: 50px;
    }
}