/* ==========================================================================
   LANDING PAGE - Modern card-based layout
   ========================================================================== */

/* Container */
.landing-container {
    max-width: var(--max-width-content);
    margin: 0 auto;
    padding: 0 var(--spacing-base);
}

/* Hero Section */
.hero-section {
    text-align: center;
    padding: calc(var(--spacing-large) * 2) var(--spacing-large);
    margin-bottom: var(--spacing-large);
    background: linear-gradient(135deg,
        rgba(var(--color-primary-rgb), 0.08) 0%,
        rgba(var(--color-primary-rgb), 0.02) 100%);
    border-radius: var(--border-radius);
}

.hero-content {
    max-width: 700px;
    margin: 0 auto;
}

.hero-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    color: var(--color-text);
    margin: 0 0 var(--spacing-base) 0;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin: 0 0 var(--spacing-large) 0;
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: var(--spacing-base);
}

.hero-button {
    padding: var(--spacing-base) calc(var(--spacing-large) * 1.5);
    font-size: 1.1rem;
}

/* Section Styling */
.section-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text);
    margin: 0 0 var(--spacing-large) 0;
    padding-bottom: var(--spacing-small);
    border-bottom: 2px solid var(--color-primary);
    display: inline-block;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: var(--spacing-large);
}

.section-header .section-title {
    margin-bottom: 0;
}

.view-all-link {
    color: var(--color-primary);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
}

.view-all-link:hover {
    text-decoration: underline;
}

/* Channels Section */
.channels-section {
    margin-bottom: calc(var(--spacing-large) * 2);
}

.channel-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: var(--spacing-base);
}

.channel-card {
    display: flex;
    flex-direction: column;
    padding: var(--spacing-base) var(--spacing-large);
    background: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    text-decoration: none;
    transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}

.channel-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.channel-card[data-access="public"] {
    border-left: 3px solid #2c662d;
}

.channel-card[data-access="private"] {
    border-left: 3px solid #856404;
}

.channel-card[data-access="restricted"] {
    border-left: 3px solid #721c24;
}

.channel-name {
    font-weight: 600;
    color: var(--color-text);
    font-size: 1rem;
}

.channel-description {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    margin-top: var(--spacing-small);
    line-height: 1.4;
}

/* Posts Section */
.posts-section {
    margin-bottom: calc(var(--spacing-large) * 2);
}

.posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-large);
}

/* Post Card */
.post-card {
    background: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.post-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
}

.post-link {
    display: block;
    padding: var(--spacing-large);
    text-decoration: none;
    color: inherit;
}

.post-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--spacing-base);
    margin-bottom: var(--spacing-base);
}

.post-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-primary);
    margin: 0;
    line-height: 1.3;
    flex: 1;
}

.post-card:hover .post-title {
    color: var(--color-primary-hover);
}

.post-channel {
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.2em 0.6em;
    border-radius: 3px;
    background: var(--color-annotation-bg);
    color: var(--color-text-secondary);
    white-space: nowrap;
}

.post-channel[data-access="public"] {
    background: rgba(44, 102, 45, 0.1);
    color: #2c662d;
}

.post-channel[data-access="private"] {
    background: rgba(133, 100, 4, 0.1);
    color: #856404;
}

.post-channel[data-access="restricted"] {
    background: rgba(114, 28, 36, 0.1);
    color: #721c24;
}

[data-theme="dark"] .post-channel[data-access="public"] {
    background: rgba(44, 102, 45, 0.2);
    color: #5cb85c;
}

[data-theme="dark"] .post-channel[data-access="private"] {
    background: rgba(133, 100, 4, 0.2);
    color: #f0ad4e;
}

[data-theme="dark"] .post-channel[data-access="restricted"] {
    background: rgba(114, 28, 36, 0.2);
    color: #d9534f;
}

.post-preview {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--color-text);
    margin-bottom: var(--spacing-base);
    max-height: 6em;
    overflow: hidden;
    position: relative;
}

/* Fade out preview at bottom */
.post-preview::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2em;
    background: linear-gradient(transparent, var(--color-card-bg));
    pointer-events: none;
}

/* Override color-text in previews to show inline */
.post-preview .colorblock,
.post-preview [class^="color-"] {
    display: inline;
    border: none;
    padding: 0;
    margin: 0;
    background: none;
}

.post-preview .colortext-content {
    display: inline;
}

.post-preview .sigil {
    font-size: 1em;
    padding: 0 1px;
}

.post-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.post-timestamp {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
}

/* Admin controls in card */
.post-admin {
    padding: var(--spacing-small) var(--spacing-large);
    background: var(--color-annotation-bg);
    border-top: 1px solid var(--color-border);
}

.rechannel-form {
    display: flex;
    align-items: center;
    gap: var(--spacing-small);
}

.rechannel-form select {
    flex: 1;
    padding: 0.3rem 0.5rem;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    font-size: 0.85rem;
    background: var(--color-input-bg);
    color: var(--color-text);
}

.rechannel-button {
    padding: 0.3rem 0.8rem;
    background-color: var(--color-primary);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 0.85rem;
    transition: background-color 0.15s ease;
}

.rechannel-button:hover {
    background-color: var(--color-primary-hover);
}

/* Load more */
.posts-more {
    text-align: center;
    margin-top: var(--spacing-large);
}

.button-secondary {
    background: transparent;
    color: var(--color-primary);
    border: 1px solid var(--color-primary);
}

.button-secondary:hover {
    background: rgba(var(--color-primary-rgb), 0.1);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: calc(var(--spacing-large) * 3) var(--spacing-large);
    background: var(--color-card-bg);
    border: 1px dashed var(--color-border);
    border-radius: var(--border-radius);
}

.empty-message {
    color: var(--color-text-secondary);
    font-size: 1.1rem;
    margin-bottom: var(--spacing-large);
}

/* Quick Links Section */
.quick-links-section {
    margin-bottom: calc(var(--spacing-large) * 2);
}

.quick-links {
    display: flex;
    gap: var(--spacing-base);
    flex-wrap: wrap;
}

.quick-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-small);
    padding: var(--spacing-base) var(--spacing-large);
    background: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    text-decoration: none;
    color: var(--color-text);
    transition: border-color 0.15s ease, background-color 0.15s ease;
}

.quick-link:hover {
    border-color: var(--color-primary);
    background: rgba(var(--color-primary-rgb), 0.05);
}

.quick-link-icon {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary);
    width: 1.5em;
    text-align: center;
}

.quick-link-text {
    font-weight: 500;
}

/* Dark theme adjustments */
[data-theme="dark"] .hero-section {
    background: linear-gradient(135deg,
        rgba(var(--color-primary-rgb), 0.15) 0%,
        rgba(var(--color-primary-rgb), 0.05) 100%);
}

[data-theme="dark"] .post-card:hover {
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .channel-card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

/* Grayscale theme adjustments */
[data-theme="grayscale"] .hero-section {
    background: rgba(0, 0, 0, 0.03);
    border: 1px solid var(--color-text);
}

[data-theme="grayscale"] .section-title {
    border-bottom-color: var(--color-text);
}

[data-theme="grayscale"] .channel-card,
[data-theme="grayscale"] .post-card,
[data-theme="grayscale"] .quick-link {
    border: 1px solid var(--color-text);
}

[data-theme="grayscale"] .post-channel {
    border: 1px solid currentColor;
    background: none;
}

[data-theme="grayscale"] .post-preview::after {
    background: linear-gradient(transparent, var(--color-background));
}

/* Mobile Responsive */
@media screen and (max-width: 768px) {
    .landing-container {
        padding: 0 var(--spacing-small);
    }

    .hero-section {
        padding: var(--spacing-large);
        margin-bottom: var(--spacing-base);
    }

    .hero-title {
        font-size: 1.5rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-actions {
        flex-direction: column;
    }

    .hero-button {
        width: 100%;
    }

    .channel-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-small);
    }

    .channel-card {
        padding: var(--spacing-small) var(--spacing-base);
    }

    .channel-name {
        font-size: 0.9rem;
    }

    .channel-description {
        display: none;
    }

    .posts-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-base);
    }

    .post-link {
        padding: var(--spacing-base);
    }

    .post-header {
        flex-direction: column;
        gap: var(--spacing-small);
    }

    .post-title {
        font-size: 1rem;
    }

    .post-channel {
        align-self: flex-start;
    }

    .quick-links {
        flex-direction: column;
    }

    .quick-link {
        justify-content: center;
    }

    .section-header {
        flex-direction: column;
        gap: var(--spacing-small);
    }
}

/* Print styles */
@media print {
    .hero-section {
        background: none;
        padding: var(--spacing-base);
    }

    .hero-actions,
    .quick-links-section,
    .post-admin,
    .view-all-link,
    .posts-more {
        display: none !important;
    }

    .post-card,
    .channel-card {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ccc;
    }

    .posts-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}