/* Post Grid Application Styles */

:root {
    --bg-color: #f5f5f7;
    --card-bg: #ffffff;
    --text-primary: #1d1d1f;
    --text-secondary: #6e6e73;
    --border-color: #e5e5e7;
    --accent-teal: #00a693;
    --accent-teal-hover: #008f7e;
    
    /* Chip colors */
    --chip-green: #22c55e;
    --chip-green-bg: #dcfce7;
    --chip-blue: #3b82f6;
    --chip-blue-bg: #dbeafe;
    --chip-orange: #f97316;
    --chip-orange-bg: #ffedd5;
    --chip-red: #ef4444;
    --chip-red-bg: #fee2e2;
    --chip-purple: #a855f7;
    --chip-purple-bg: #f3e8ff;
    --chip-teal: #14b8a6;
    --chip-teal-bg: #ccfbf1;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.5;
    min-height: 100vh;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 24px;
}

/* Header & Controls */
.header {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 16px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.controls-row {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
}

.search-box {
    flex: 1;
    min-width: 250px;
    position: relative;
}

.search-box input {
    width: 100%;
    padding: 10px 16px 10px 40px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s;
}

.search-box input:focus {
    border-color: var(--accent-teal);
}

.search-box::before {
    content: "🔍";
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 14px;
    opacity: 0.5;
}

.filter-dropdowns {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.filter-dropdowns select {
    padding: 10px 32px 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 14px;
    background: var(--card-bg);
    cursor: pointer;
    outline: none;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236e6e73' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    min-width: 140px;
}

.filter-dropdowns select:focus {
    border-color: var(--accent-teal);
}

.sort-dropdown {
    margin-left: auto;
}

.sort-dropdown select {
    padding: 10px 32px 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 14px;
    background: var(--card-bg);
    cursor: pointer;
    outline: none;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236e6e73' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
}

/* Active Filters */
.active-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
}

.filter-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 10px;
    background: var(--chip-blue-bg);
    color: var(--chip-blue);
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
    text-decoration: none;
}

.filter-chip .remove {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.1);
    color: inherit;
    text-decoration: none;
    font-size: 10px;
    line-height: 1;
}

.filter-chip .remove:hover {
    background: rgba(0, 0, 0, 0.2);
}

.reset-link {
    color: var(--text-secondary);
    text-decoration: underline;
    font-size: 13px;
    margin-left: 8px;
}

.reset-link:hover {
    color: var(--text-primary);
}

/* Posts Grid */
.posts-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 20px;
    margin-bottom: 32px;
}

@media (max-width: 1200px) {
    .posts-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 900px) {
    .posts-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 600px) {
    .posts-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 400px) {
    .posts-grid {
        grid-template-columns: 1fr;
    }
}

/* Post Card */
.post-card {
    background: var(--card-bg);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
    display: flex;
    flex-direction: column;
    transition: box-shadow 0.2s, transform 0.2s;
}

.post-card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
    transform: translateY(-2px);
}

.post-thumbnail {
    position: relative;
    width: 100%;
    padding-bottom: 100%;
    background: #e5e5e7;
    overflow: hidden;
}

.post-thumbnail a {
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.post-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.post-content {
    padding: 12px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.post-creator {
    font-weight: 600;
    font-size: 14px;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.post-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin-bottom: 12px;
}

.chip {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 500;
    text-decoration: none;
    transition: opacity 0.2s;
}

.chip:hover {
    opacity: 0.8;
}

.chip.green {
    background: var(--chip-green-bg);
    color: var(--chip-green);
}

.chip.blue {
    background: var(--chip-blue-bg);
    color: var(--chip-blue);
}

.chip.orange {
    background: var(--chip-orange-bg);
    color: var(--chip-orange);
}

.chip.red {
    background: var(--chip-red-bg);
    color: var(--chip-red);
}

.chip.purple {
    background: var(--chip-purple-bg);
    color: var(--chip-purple);
}

.chip.teal {
    background: var(--chip-teal-bg);
    color: var(--chip-teal);
}

.post-stats {
    margin-top: auto;
    padding-top: 8px;
    border-top: 1px solid var(--border-color);
    font-size: 12px;
    color: var(--text-secondary);
}

.post-stats .stat-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 2px;
}

.view-post-btn {
    display: block;
    width: 100%;
    padding: 10px;
    background: var(--accent-teal);
    color: white;
    text-align: center;
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
    border: none;
    cursor: pointer;
    transition: background 0.2s;
}

.view-post-btn:hover {
    background: var(--accent-teal-hover);
}

/* Pagination */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 20px;
    background: var(--card-bg);
    border-radius: 12px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.page-btn {
    padding: 8px 16px;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    text-decoration: none;
    font-size: 14px;
    transition: background 0.2s;
}

.page-btn:hover:not(.disabled) {
    background: var(--border-color);
}

.page-btn.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.page-numbers {
    display: flex;
    gap: 4px;
}

.page-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 6px;
    text-decoration: none;
    font-size: 14px;
    color: var(--text-primary);
    transition: background 0.2s;
}

.page-num:hover:not(.current) {
    background: var(--bg-color);
}

.page-num.current {
    background: var(--accent-teal);
    color: white;
    font-weight: 600;
}

.page-ellipsis {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    color: var(--text-secondary);
}

/* Results info */
.results-info {
    text-align: center;
    padding: 16px;
    color: var(--text-secondary);
    font-size: 14px;
}

/* No results */
.no-results {
    text-align: center;
    padding: 60px 20px;
    background: var(--card-bg);
    border-radius: 12px;
    color: var(--text-secondary);
}

.no-results h3 {
    font-size: 18px;
    margin-bottom: 8px;
    color: var(--text-primary);
}

/* Hidden class for JS form submission */
.hidden-submit {
    display: none;
}