/* ========================================
   MBTI 测试页面样式
   ======================================== */

/* 返回首页 */
.back-home {
    position: fixed;
    top: 20px;
    left: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--cyber-blue);
    text-decoration: none;
    font-size: 0.9rem;
    padding: 8px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    z-index: 100;
    transition: all 0.3s ease;
}

.back-home:hover {
    border-color: var(--cyber-blue);
    box-shadow: 0 0 15px rgba(0, 212, 255, 0.2);
}

.back-icon {
    font-size: 1.2rem;
}

/* 容器 */
.mbti-container {
    max-width: 700px;
    margin: 0 auto;
    padding: 80px 20px 40px;
    position: relative;
    z-index: 1;
}

/* 进度条 */
.progress-wrapper {
    margin-bottom: 40px;
}

.progress-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
    font-size: 0.85rem;
}

.progress-label {
    color: var(--text-secondary);
}

.progress-percent {
    color: var(--cyber-blue);
    font-weight: 600;
}

.progress-bar {
    height: 6px;
    background: var(--bg-card);
    border-radius: 3px;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--cyber-blue), var(--cyber-purple));
    border-radius: 3px;
    transition: width 0.4s ease;
    width: 0%;
}

.progress-count {
    text-align: right;
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 8px;
}

/* 题目卡片 */
.questions-wrapper {
    min-height: 400px;
}

.question-page {
    display: none;
    animation: fadeIn 0.4s ease;
}

.question-page.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.question-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 16px;
}

.question-number {
    color: var(--cyber-blue);
    font-size: 0.8rem;
    margin-bottom: 8px;
    font-weight: 600;
}

.question-text {
    font-size: 1.1rem;
    color: var(--text-primary);
    line-height: 1.6;
    margin-bottom: 16px;
}

.question-options {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.option-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 18px;
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: left;
}

.option-btn:hover {
    border-color: var(--cyber-blue);
    background: rgba(0, 212, 255, 0.05);
}

.option-btn.selected {
    border-color: var(--cyber-blue);
    background: rgba(0, 212, 255, 0.15);
    box-shadow: 0 0 15px rgba(0, 212, 255, 0.2);
}

.option-btn .option-label {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--border-color);
    border-radius: 50%;
    font-size: 0.8rem;
    font-weight: 600;
    flex-shrink: 0;
}

.option-btn.selected .option-label {
    background: var(--cyber-blue);
    color: var(--bg-dark);
}

.option-btn .option-text {
    flex: 1;
}

/* 底部操作按钮 */
.actions-wrapper {
    display: flex;
    justify-content: space-between;
    margin-top: 30px;
    gap: 20px;
}

.btn {
    padding: 12px 28px;
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-prev {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.btn-prev:hover:not(:disabled) {
    border-color: var(--text-secondary);
    color: var(--text-primary);
}

.btn-next {
    background: linear-gradient(135deg, var(--cyber-blue), var(--cyber-purple));
    border: none;
    color: var(--bg-dark);
}

.btn-next:hover:not(:disabled) {
    box-shadow: 0 0 25px rgba(0, 212, 255, 0.4);
    transform: translateY(-2px);
}

.btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

.btn-submit {
    background: linear-gradient(135deg, var(--terminal-green), #00cc00);
    border: none;
    color: var(--bg-dark);
    font-size: 1rem;
    padding: 14px 36px;
}

/* 结果弹窗 */
.result-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s ease;
}

.result-modal.show {
    opacity: 1;
    visibility: visible;
}

.result-card {
    background: var(--bg-card);
    border: 2px solid var(--cyber-blue);
    border-radius: 16px;
    padding: 40px;
    max-width: 420px;
    width: 90%;
    text-align: center;
    position: relative;
    box-shadow: 0 0 60px rgba(0, 212, 255, 0.3);
    animation: resultPop 0.5s ease;
}

@keyframes resultPop {
    from { transform: scale(0.8); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

.result-close {
    position: absolute;
    top: 15px;
    right: 20px;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 2rem;
    cursor: pointer;
    line-height: 1;
    transition: color 0.3s;
}

.result-close:hover {
    color: var(--text-primary);
}

.result-header {
    margin-bottom: 20px;
}

.result-icon {
    font-size: 3rem;
    margin-bottom: 10px;
}

.result-type {
    font-size: 4rem;
    font-weight: 700;
    color: var(--cyber-blue);
    text-shadow: 0 0 30px var(--glow-blue);
    letter-spacing: 8px;
}

.result-name {
    font-size: 1.4rem;
    color: var(--cyber-purple);
    margin-bottom: 20px;
}

.result-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 25px;
    padding: 0 10px;
}

.result-dimensions {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 30px;
}

.dim {
    padding: 6px 14px;
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.btn-restart {
    background: var(--bg-dark);
    border: 1px solid var(--cyber-blue);
    color: var(--cyber-blue);
}

.btn-restart:hover {
    background: var(--cyber-blue);
    color: var(--bg-dark);
}

/* ========== 加载动画 Terminal ========== */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.loading-overlay.show {
    opacity: 1;
    visibility: visible;
}

.terminal-loading {
    font-family: 'Fira Code', monospace;
    font-size: 1.1rem;
    color: var(--terminal-green);
    text-align: left;
}

.terminal-line {
    margin: 8px 0;
    opacity: 0;
    animation: terminalFade 0.3s forwards;
}

.terminal-line::before {
    content: '> ';
    color: var(--cyber-blue);
}

@keyframes terminalFade {
    from { opacity: 0; transform: translateX(-10px); }
    to { opacity: 1; transform: translateX(0); }
}

.cursor-blink {
    animation: blink 1s step-end infinite;
}

@keyframes blink {
    50% { opacity: 0; }
}

/* ========== Glitch 特效结果卡片 ========== */
.result-card {
    /* 原有样式... */
    position: relative;
    overflow: visible;
}

.result-card.glitching {
    animation: glitchShake 0.5s ease-in-out;
}

@keyframes glitchShake {
    0% { transform: translate(0); filter: hue-rotate(0deg); }
    10% { transform: translate(-5px, 2px); filter: hue-rotate(90deg); }
    20% { transform: translate(5px, -2px); filter: hue-rotate(180deg); }
    30% { transform: translate(-3px, 1px); filter: hue-rotate(270deg); }
    40% { transform: translate(3px, -1px); filter: hue-rotate(360deg); }
    50% { transform: translate(-2px, 3px); }
    60% { transform: translate(2px, -3px); }
    70% { transform: translate(-1px, 1px); }
    80% { transform: translate(1px, -1px); }
    90% { transform: translate(-1px, -1px); }
    100% { transform: translate(0); filter: hue-rotate(0deg); }
}

/* Glitch 伪元素 */
.result-card.glitching::before,
.result-card.glitching::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 16px;
    pointer-events: none;
}

.result-card.glitching::before {
    background: transparent;
    border: 2px solid var(--cyber-blue);
    animation: glitchBorder 0.5s steps(2) forwards;
}

.result-card.glitching::after {
    background: transparent;
    border: 2px solid var(--cyber-purple);
    animation: glitchBorder 0.5s steps(2) forwards reverse;
    animation-delay: 0.1s;
}

@keyframes glitchBorder {
    0% { clip-path: inset(20% 0 80% 0); transform: translate(-3px); }
    25% { clip-path: inset(60% 0 10% 0); transform: translate(3px); }
    50% { clip-path: inset(10% 0 50% 0); transform: translate(-3px); }
    75% { clip-path: inset(80% 0 5% 0); transform: translate(3px); }
    100% { clip-path: inset(0 0 0 0); transform: translate(0); }
}

/* 结果卡片发光 */
.result-card.show {
    animation: resultReveal 0.6s ease-out forwards;
}

@keyframes resultReveal {
    0% { 
        opacity: 0; 
        transform: scale(0.8) translateY(20px);
        filter: blur(10px);
    }
    50% { 
        opacity: 1; 
        transform: scale(1.02);
        filter: blur(0);
    }
    100% { 
        opacity: 1; 
        transform: scale(1);
    }
}

/* 响应式 */
@media (max-width: 600px) {
    .mbti-container {
        padding: 70px 15px 30px;
    }
    
    .result-card {
        padding: 30px 20px;
    }
    
    .result-type {
        font-size: 3rem;
    }
    
    .actions-wrapper {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
}