/* ===================================
   Guide Page - Additional Styles
   =================================== */

/* Guide Hero */
.guide-hero {
    padding: calc(80px + var(--space-3xl)) 0 var(--space-3xl);
    background: var(--color-bg);
    text-align: center;
}

.guide-hero-label {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-lg);
}

.guide-hero-title {
    font-size: clamp(2rem, 6vw, 3.5rem);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-xl);
}

.guide-hero-accent {
    background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.guide-hero-description {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    line-height: 1.7;
}

/* Intro */
.guide-intro {
    background: var(--color-bg-alt);
    padding: var(--space-3xl) 0;
}

.intro-message {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.intro-message p {
    font-size: 1.1rem;
    color: var(--color-text);
    line-height: 1.8;
    margin-bottom: var(--space-lg);
}

.intro-message p:last-child {
    margin-bottom: 0;
}

.intro-message strong {
    color: var(--color-primary-light);
}

/* Same DNA Section */
.same-section {
    background: var(--color-bg);
}

.same-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-xl);
}

.same-card {
    padding: var(--space-xl);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    text-align: center;
}

.same-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    background: rgba(34, 211, 238, 0.1);
    border-radius: 50%;
    margin-bottom: var(--space-lg);
}

.same-icon svg {
    width: 28px;
    height: 28px;
    color: var(--color-accent);
}

.same-card h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.same-card p {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    line-height: 1.6;
    margin-bottom: var(--space-lg);
}

.same-compare {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.same-compare code {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
}

.same-compare code.of {
    background: rgba(255, 255, 255, 0.05);
    color: var(--color-text-muted);
}

.same-compare code.tc {
    background: rgba(99, 102, 241, 0.15);
    color: var(--color-primary-light);
}

.same-compare .arrow {
    color: var(--color-text-subtle);
    font-size: 0.9rem;
}

.same-compare .label {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

/* Solutions Section */
.solutions-section {
    background: var(--color-bg-alt);
}

.solution-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    margin-bottom: var(--space-3xl);
    padding: var(--space-xl);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
}

.solution-card:last-child {
    margin-bottom: 0;
}

.solution-label {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-md);
}

.problem-label {
    background: rgba(239, 68, 68, 0.15);
    color: #f87171;
}

.answer-label {
    background: rgba(34, 211, 238, 0.15);
    color: var(--color-accent);
}

.solution-problem h3,
.solution-answer h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
}

.solution-problem p,
.solution-answer p {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    line-height: 1.7;
}

.solution-problem code {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    background: rgba(255, 255, 255, 0.05);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
}

.solution-answer pre {
    margin-top: var(--space-md);
    padding: var(--space-md);
    background: var(--color-bg-code);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow-x: auto;
}

.solution-answer pre code {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    line-height: 1.7;
    color: var(--color-text);
}

/* API Section */
.api-section {
    background: var(--color-bg);
}

.api-filter {
    max-width: 500px;
    margin: 0 auto var(--space-3xl);
}

.api-filter input {
    width: 100%;
    padding: var(--space-md) var(--space-lg);
    font-family: var(--font-mono);
    font-size: 0.95rem;
    color: var(--color-text);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    outline: none;
    transition: border-color var(--transition-fast);
}

.api-filter input:focus {
    border-color: var(--color-primary);
}

.api-filter input::placeholder {
    color: var(--color-text-subtle);
}

.api-category {
    margin-bottom: var(--space-lg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.api-category-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md) var(--space-lg);
    font-size: 1rem;
    font-weight: 600;
    background: var(--color-bg-alt);
    cursor: pointer;
    transition: background var(--transition-fast);
    user-select: none;
}

.api-category-title:hover {
    background: var(--color-bg-card);
}

.api-category-title svg {
    width: 20px;
    height: 20px;
    color: var(--color-text-muted);
    transition: transform var(--transition-fast);
}

.api-category.collapsed .api-category-title svg {
    transform: rotate(-90deg);
}

.api-category.collapsed .api-table-wrapper {
    display: none;
}

.api-table-wrapper {
    overflow-x: auto;
}

.api-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
    table-layout: fixed;
}

.api-table th,
.api-table td {
    padding: var(--space-sm) var(--space-lg);
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.api-table th:first-child,
.api-table td:first-child {
    width: 40%;
}

.api-table th:nth-child(2),
.api-table td:nth-child(2) {
    width: 40%;
}

.api-table th:nth-child(3),
.api-table td:nth-child(3) {
    width: 20%;
}

.api-table th {
    font-weight: 600;
    color: var(--color-text-muted);
    background: var(--color-bg-card);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.api-table td {
    color: var(--color-text-muted);
}

.api-table td:first-child {
    color: var(--color-text-subtle);
}

.api-table td:nth-child(2) {
    color: var(--color-text);
}

.api-table td code {
    font-family: var(--font-mono);
    font-size: 0.85rem;
}

.api-table tbody tr:hover {
    background: rgba(255, 255, 255, 0.02);
}

.api-table tbody tr.hidden {
    display: none;
}

.api-table tbody tr.highlight td {
    background: rgba(99, 102, 241, 0.1);
}

/* License Table - 3列均等 */
.license-table th:first-child,
.license-table td:first-child {
    width: 33%;
}

.license-table th:nth-child(2),
.license-table td:nth-child(2) {
    width: 34%;
}

.license-table th:nth-child(3),
.license-table td:nth-child(3) {
    width: 33%;
}

.license-table a {
    color: var(--color-primary);
    text-decoration: none;
}

.license-table a:hover {
    text-decoration: underline;
}

/* License Table - 4列 */
.license-table-4col th:first-child,
.license-table-4col td:first-child {
    width: 20%;
}

.license-table-4col th:nth-child(2),
.license-table-4col td:nth-child(2) {
    width: 35%;
}

.license-table-4col th:nth-child(3),
.license-table-4col td:nth-child(3) {
    width: 20%;
}

.license-table-4col th:nth-child(4),
.license-table-4col td:nth-child(4) {
    width: 25%;
}

.license-table-4col a {
    color: var(--color-primary);
    text-decoration: none;
}

.license-table-4col a:hover {
    text-decoration: underline;
}

/* License Block */
.license-block {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    margin-top: var(--space-md);
}

.license-block pre {
    margin: 0;
    white-space: pre-wrap;
    word-wrap: break-word;
}

.license-block code {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--color-text-muted);
    line-height: 1.6;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(34, 211, 238, 0.1) 100%);
    text-align: center;
    padding: var(--space-4xl) 0;
}

.cta-section h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
}

.cta-section p {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    margin-bottom: var(--space-xl);
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    flex-wrap: wrap;
}

/* Responsive */
@media (max-width: 900px) {
    .solution-card {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .guide-hero {
        padding: calc(70px + var(--space-2xl)) 0 var(--space-2xl);
    }

    .guide-hero-title {
        font-size: 1.8rem;
    }

    .same-grid {
        grid-template-columns: 1fr;
    }

    .solution-card {
        padding: var(--space-lg);
    }

    .api-table th,
    .api-table td {
        padding: var(--space-sm) var(--space-md);
        font-size: 0.8rem;
    }

    .api-filter input {
        font-size: 0.9rem;
    }
}