/**
 * Video Learning Page - Industrial Cyber Console
 * 视频学习页面样式
 */

/* 导入核心样式 */
@import url('./cyber-core.css');

/* ==================== Header 特殊样式 ==================== */
.header h1 {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

/* ==================== 配置区域 ==================== */
.config-section {
    background: linear-gradient(135deg, var(--cyber-bg-secondary) 0%, var(--cyber-bg-tertiary) 100%);
    border: 1px solid var(--cyber-border);
    padding: 2rem;
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.config-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--cyber-green), transparent);
}

.config-section::after {
    content: 'CONFIG_MODE';
    position: absolute;
    top: 0.5rem;
    right: 1rem;
    font-size: 0.6rem;
    font-family: var(--cyber-font-display);
    color: var(--cyber-green);
    opacity: 0.5;
    letter-spacing: 0.1em;
}

.config-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    position: relative;
}

.form-group label {
    font-size: 0.8rem;
    font-weight: 500;
    font-family: var(--cyber-font-display);
    color: var(--cyber-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.form-group label::before {
    content: '>';
    color: var(--cyber-green);
    font-size: 0.7rem;
}

.form-group select,
.form-group input[type="text"],
.form-group input[type="number"] {
    padding: 0.75rem 1rem;
    background: var(--cyber-bg-primary);
    border: 1px solid var(--cyber-border);
    color: var(--cyber-text-primary);
    font-size: 0.9rem;
    font-family: var(--cyber-font-mono);
    transition: var(--cyber-transition-fast);
    position: relative;
}

.form-group select:focus,
.form-group input:focus {
    outline: none;
    border-color: var(--cyber-green);
    box-shadow: 0 0 15px var(--cyber-green-dim), inset 0 0 10px var(--cyber-green-dim);
}

.form-group select:disabled,
.form-group input:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.form-group select option {
    background: var(--cyber-bg-secondary);
    color: var(--cyber-text-primary);
}

.form-group small {
    font-size: 0.7rem;
    color: var(--cyber-text-muted);
    font-family: var(--cyber-font-mono);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.form-group small::before {
    content: '//';
    color: var(--cyber-border-bright);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

/* 复选框组 */
.checkbox-group {
    flex-direction: row;
    align-items: center;
    gap: 1rem !important;
}

.checkbox-group label {
    flex-direction: row;
    cursor: pointer;
}

.checkbox-group label::before {
    display: none;
}

.checkbox-group input[type="checkbox"] {
    appearance: none;
    width: 20px;
    height: 20px;
    border: 2px solid var(--cyber-border);
    background: var(--cyber-bg-primary);
    cursor: pointer;
    position: relative;
    transition: var(--cyber-transition-fast);
}

.checkbox-group input[type="checkbox"]:checked {
    background: var(--cyber-green);
    border-color: var(--cyber-green);
    box-shadow: 0 0 10px var(--cyber-green-glow);
}

.checkbox-group input[type="checkbox"]:checked::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--cyber-bg-primary);
    font-size: 0.8rem;
    font-weight: bold;
}

.checkbox-group span {
    font-size: 0.85rem;
    color: var(--cyber-text-primary);
}

/* ==================== 会话区域 ==================== */
.session-section {
    background: linear-gradient(135deg, var(--cyber-bg-secondary) 0%, var(--cyber-bg-tertiary) 100%);
    border: 1px solid var(--cyber-border);
    padding: 2rem;
    position: relative;
    overflow: hidden;
}

.session-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--cyber-green), var(--cyber-blue), var(--cyber-green));
    animation: dataFlow 3s linear infinite;
}

.session-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    position: relative;
}

.session-header h2 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--cyber-green);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.session-header h2::before {
    content: '◆';
    font-size: 0.8rem;
    animation: pulse 2s infinite;
}

.session-controls {
    display: flex;
    gap: 0.5rem;
}

/* ==================== 进度条 ==================== */
.progress-section {
    background: var(--cyber-bg-primary);
    border: 1px solid var(--cyber-border);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    position: relative;
}

.progress-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, var(--cyber-green), transparent);
}

.progress-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.75rem;
    font-size: 0.85rem;
    color: var(--cyber-text-secondary);
    font-family: var(--cyber-font-mono);
}

.progress-info span:first-child::before {
    content: 'PROGRESS::';
    color: var(--cyber-green);
    margin-right: 0.5rem;
}

.progress-info span:last-child::after {
    content: '%';
    color: var(--cyber-green);
}

.progress-bar-large {
    height: 10px;
    background: var(--cyber-bg-secondary);
    border: 1px solid var(--cyber-border);
    overflow: hidden;
    position: relative;
}

.progress-bar-large::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: repeating-linear-gradient(
        90deg,
        transparent,
        transparent 4px,
        rgba(0, 0, 0, 0.4) 4px,
        rgba(0, 0, 0, 0.4) 8px
    );
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--cyber-green), var(--cyber-blue));
    transition: width 0.5s ease;
    position: relative;
    box-shadow: 0 0 15px var(--cyber-green-glow);
}

.progress-fill::after {
    content: '';
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    width: 20px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3));
    animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
    0% { opacity: 0; }
    50% { opacity: 1; }
    100% { opacity: 0; }
}

.progress-stats {
    margin-top: 0.75rem;
    font-size: 0.75rem;
    color: var(--cyber-text-muted);
    font-family: var(--cyber-font-mono);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.progress-stats::before {
    content: '⏱';
    color: var(--cyber-green);
}

/* ==================== 当前视频 ==================== */
.current-video {
    margin-bottom: 2rem;
}

.current-video h3 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--cyber-text-primary);
    margin-bottom: 1rem;
    font-family: var(--cyber-font-display);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.current-video h3::before {
    content: '▶';
    color: var(--cyber-green);
    font-size: 0.7rem;
}

/* ==================== 视频卡片 ==================== */
.video-card {
    background: var(--cyber-bg-primary);
    border: 1px solid var(--cyber-border);
    overflow: hidden;
    transition: var(--cyber-transition-normal);
    position: relative;
}

.video-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border: 1px solid transparent;
    transition: var(--cyber-transition-normal);
    pointer-events: none;
}

.video-card:hover {
    border-color: var(--cyber-green);
    box-shadow: 0 0 20px var(--cyber-green-dim);
}

.video-card:hover::before {
    border-color: var(--cyber-green);
    opacity: 0.3;
}

.video-screenshot {
    width: 100%;
    aspect-ratio: 9/16;
    background: #000;
    overflow: hidden;
    position: relative;
}

.video-screenshot::after {
    content: '';
    position: absolute;
    top: 10px;
    left: 10px;
    right: 10px;
    bottom: 10px;
    border: 1px solid rgba(0, 255, 159, 0.2);
    pointer-events: none;
}

.video-screenshot img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.video-placeholder {
    width: 100%;
    aspect-ratio: 9/16;
    background: var(--cyber-bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--cyber-text-muted);
    position: relative;
}

.video-placeholder::before {
    content: 'NO_SIGNAL';
    position: absolute;
    bottom: 1rem;
    font-size: 0.6rem;
    font-family: var(--cyber-font-display);
    color: var(--cyber-red);
    animation: blink 2s infinite;
}

.video-info {
    padding: 1rem;
    background: var(--cyber-bg-secondary);
    border-top: 1px solid var(--cyber-border);
}

.video-id {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--cyber-green);
    margin-bottom: 0.5rem;
    font-family: var(--cyber-font-mono);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.video-id::before {
    content: '#';
}

.video-description {
    font-size: 0.85rem;
    color: var(--cyber-text-primary);
    margin-bottom: 0.75rem;
    line-height: 1.5;
}

.video-stats {
    display: flex;
    gap: 1.25rem;
    font-size: 0.75rem;
    color: var(--cyber-text-secondary);
}

.video-stats span {
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.video-stats svg {
    color: var(--cyber-green);
}

/* 分类标签 */
.video-category {
    margin-top: 0.75rem;
}

.category-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.6rem;
    background: var(--cyber-green-dim);
    color: var(--cyber-green);
    border: 1px solid var(--cyber-green);
    font-size: 0.65rem;
    font-weight: 500;
    font-family: var(--cyber-font-display);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.category-badge::before {
    content: '◆';
    margin-right: 0.35rem;
    font-size: 0.5rem;
}

/* 标签 */
.video-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    margin-top: 0.75rem;
}

.video-tags .tag {
    font-size: 0.65rem;
    color: var(--cyber-text-secondary);
    background: var(--cyber-bg-primary);
    padding: 0.2rem 0.5rem;
    border: 1px solid var(--cyber-border);
    font-family: var(--cyber-font-mono);
}

.video-tags .tag::before {
    content: '#';
    color: var(--cyber-green);
}

/* ==================== 会话完成 ==================== */
.session-complete {
    text-align: center;
    padding: 3rem 2rem;
    position: relative;
}

.session-complete::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 250px;
    height: 250px;
    border: 2px solid var(--cyber-green);
    border-radius: 50%;
    opacity: 0.1;
    animation: pulse 3s infinite;
}

.complete-icon {
    display: flex;
    justify-content: center;
    margin-bottom: 1.5rem;
    position: relative;
}

.complete-icon svg {
    color: var(--cyber-green);
    filter: drop-shadow(0 0 15px var(--cyber-green));
    animation: successPulse 2s ease-in-out infinite;
}

@keyframes successPulse {
    0%, 100% {
        transform: scale(1);
        filter: drop-shadow(0 0 15px var(--cyber-green));
    }
    50% {
        transform: scale(1.05);
        filter: drop-shadow(0 0 25px var(--cyber-green));
    }
}

.session-complete h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--cyber-green);
    margin-bottom: 0.75rem;
    font-family: var(--cyber-font-display);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    text-shadow: 0 0 20px var(--cyber-green-dim);
}

.session-complete p {
    color: var(--cyber-text-secondary);
    margin-bottom: 2rem;
    font-family: var(--cyber-font-mono);
    font-size: 0.9rem;
}

/* ==================== 视频网格 ==================== */
.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
}

.video-grid .video-card {
    font-size: 0.875rem;
}

.video-grid .video-screenshot,
.video-grid .video-placeholder {
    aspect-ratio: 9/16;
}

/* ==================== 历史记录 ==================== */
.history-section {
    margin-top: 2rem;
}

.history-section h2 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--cyber-text-primary);
    margin-bottom: 1rem;
    font-family: var(--cyber-font-display);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.history-section h2::before {
    content: '◆';
    color: var(--cyber-green);
    font-size: 0.8rem;
}

/* ==================== 响应式 ==================== */
@media (max-width: 768px) {
    .form-row {
        grid-template-columns: 1fr;
    }

    .session-header {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }

    .video-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }

    .config-section,
    .session-section {
        padding: 1.5rem;
    }
}