/*
 * 技能搜索页面样式
 * Skills Search Page Styles
 */

/* ==================
   主内容区域
   ================== */
.skills-main {
    min-height: calc(100vh - 80px);
    background: linear-gradient(135deg,
        #f0f9ff 0%,
        #e0f2fe 25%,
        #f8fafc 50%,
        #f0f9ff 75%,
        #e0f2fe 100%);
    background-size: 400% 400%;
    animation: gradientShift 20s ease infinite;
}

@keyframes gradientShift {
    0%, 100% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
}

.skills-search-section {
    padding: var(--space-16) var(--space-6);
    position: relative;
}

.skills-container {
    max-width: 1400px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

/* ==================
   标题区域
   ================== */
.skills-title {
    font-size: var(--font-size-5xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text);
    text-align: center;
    margin-bottom: var(--space-4);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-600) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.skills-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    text-align: center;
    margin-bottom: var(--space-12);
}

/* ==================
   搜索框
   ================== */
.skills-search-box {
    position: relative;
    max-width: 800px;
    margin: 0 auto var(--space-10);
    background: var(--color-bg-primary);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-lg);
    transition: all var(--duration-base) ease;
}

.skills-search-box:focus-within {
    box-shadow: 0 0 0 4px rgba(47, 84, 235, 0.1),
                var(--shadow-xl);
    transform: translateY(-2px);
}

.search-icon {
    position: absolute;
    left: var(--space-6);
    top: 50%;
    transform: translateY(-50%);
    font-size: var(--font-size-xl);
    color: var(--color-text-secondary);
    pointer-events: none;
}

.skills-search-input {
    width: 100%;
    padding: var(--space-6) var(--space-16);
    font-size: var(--font-size-lg);
    font-family: var(--font-family-base);
    color: var(--color-text);
    background: transparent;
    border: none;
    border-radius: var(--radius-2xl);
    outline: none;
    transition: all var(--duration-base) ease;
    box-sizing: border-box;
}

.skills-search-input::placeholder {
    color: var(--color-text-placeholder);
}

.skills-search-input:focus {
    border-color: var(--color-primary);
}

.search-clear-btn {
    position: absolute;
    right: var(--space-4);
    top: 50%;
    transform: translateY(-50%);
    width: var(--space-10);
    height: var(--space-10);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-secondary);
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--duration-fast) ease;
    color: var(--color-text-secondary);
}

.search-clear-btn:hover {
    background: var(--color-bg-tertiary);
    color: var(--color-text);
}

/* ==================
   统计信息
   ================== */
.skills-stats {
    text-align: center;
    margin-bottom: var(--space-10);
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
    flex-wrap: wrap;
}

.skills-stats .stats-total,
.skills-stats .stats-result {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
}

.skills-stats #totalCount,
.skills-stats #resultCount {
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    font-size: var(--font-size-xl);
}

.skills-stats .stats-divider {
    color: var(--color-text-tertiary);
    font-size: var(--font-size-lg);
}

/* ==================
   技能卡片网格
   ================== */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--space-6);
    animation: fadeIn 0.5s ease;
}

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

/* ==================
   技能卡片
   ================== */
.skill-card {
    background: var(--color-bg-primary);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    box-shadow: var(--shadow-md);
    transition: all var(--duration-base) ease;
    cursor: pointer;
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.skill-card:hover .copy-hint {
    opacity: 1;
}

.skill-card.copied {
    border-color: var(--color-success);
    background: linear-gradient(135deg,
        rgba(16, 185, 129, 0.05) 0%,
        rgba(16, 185, 129, 0.02) 100%);
}

.skill-card.copied .copy-hint {
    opacity: 1;
    color: var(--color-success);
}

.skill-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-primary-400) 100%);
    transform: scaleX(0);
    transition: transform var(--duration-base) ease;
}

.skill-card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-4px);
    border-color: var(--color-primary-100);
}

.skill-card:hover::before {
    transform: scaleX(1);
}

.skill-card-header {
    display: flex;
    align-items: flex-start;
    gap: var(--space-4);
    margin-bottom: var(--space-5);
}

.skill-card-icon {
    width: var(--space-12);
    height: var(--space-12);
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary-50) 0%, var(--color-primary-100) 100%);
    border-radius: var(--radius-lg);
    color: var(--color-primary);
    font-size: var(--font-size-2xl);
    flex-shrink: 0;
}

.skill-card-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text);
    margin: 0;
    flex: 1;
    word-break: break-word;
}

.skill-card-description {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

.skill-card.highlight {
    border-color: var(--color-primary);
    background: linear-gradient(135deg,
        rgba(47, 84, 235, 0.05) 0%,
        rgba(47, 84, 235, 0.02) 100%);
}

.skill-card.highlight .skill-card-title {
    color: var(--color-primary);
}

.skill-card.highlight mark {
    background: linear-gradient(135deg,
        rgba(255, 230, 0, 0.5) 0%,
        rgba(255, 200, 0, 0.3) 100%);
    padding: 0 4px;
    border-radius: var(--radius-sm);
    color: inherit;
}

/* ==================
   复制提示
   ================== */
.copy-hint {
    position: absolute;
    bottom: var(--space-4);
    right: var(--space-4);
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    color: var(--color-white);
    font-size: var(--font-size-xs);
    opacity: 0;
    transition: all var(--duration-base) ease;
    pointer-events: none;
}

.copy-hint i {
    font-size: var(--font-size-sm);
}

.copy-hint span {
    font-weight: var(--font-weight-medium);
}

/* ==================
   无结果提示
   ================== */
.skills-no-results {
    text-align: center;
    padding: var(--space-24) var(--space-8);
    color: var(--color-text-secondary);
}

.no-results-icon {
    font-size: var(--font-size-6xl);
    color: var(--color-text-tertiary);
    margin-bottom: var(--space-6);
    display: block;
}

.skills-no-results h3 {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text);
    margin-bottom: var(--space-4);
}

.skills-no-results p {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
}

/* ==================
   加载动画
   ================== */
.skills-grid.loading {
    opacity: 0.6;
    pointer-events: none;
}

.skills-grid.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: var(--space-16);
    height: var(--space-16);
    border: 4px solid var(--color-primary-100);
    border-top-color: var(--color-primary);
    border-radius: var(--radius-full);
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

/* ==================
   响应式设计
   ================== */
@media (max-width: 768px) {
    .skills-search-section {
        padding: var(--space-10) var(--space-4);
    }

    .skills-title {
        font-size: var(--font-size-3xl);
    }

    .skills-subtitle {
        font-size: var(--font-size-base);
    }

    .skills-search-box {
        margin-bottom: var(--space-8);
    }

    .search-icon {
        left: var(--space-4);
        font-size: var(--font-size-lg);
    }

    .skills-search-input {
        padding: var(--space-5) var(--space-12);
        font-size: var(--font-size-base);
    }

    .search-clear-btn {
        right: var(--space-3);
        width: var(--space-8);
        height: var(--space-8);
    }

    .skills-grid {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }

    .skill-card {
        padding: var(--space-6);
    }

    .skill-card-header {
        gap: var(--space-3);
    }

    .skill-card-icon {
        width: var(--space-10);
        height: var(--space-10);
        font-size: var(--font-size-xl);
    }

    .skill-card-title {
        font-size: var(--font-size-lg);
    }

    .skill-card-description {
        font-size: var(--font-size-sm);
        -webkit-line-clamp: 3;
    }
}

@media (max-width: 480px) {
    .skills-title {
        font-size: var(--font-size-2xl);
    }

    .skills-subtitle {
        font-size: var(--font-size-sm);
    }

    .skill-card {
        padding: var(--space-5);
    }

    .skill-card-icon {
        width: var(--space-8);
        height: var(--space-8);
        font-size: var(--font-size-lg);
    }
}

/* ==================
   打印样式
   ================== */
@media print {
    .skills-main {
        background: white;
    }

    .skills-search-box,
    .skills-stats {
        display: none;
    }

    .skill-card {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid var(--color-border);
    }
}