/* Categories */

.categories_bar {
    max-width: var(--max_width);
    margin: 0 auto;
    padding: 0 var(--spacing_lg) var(--spacing_lg);
    overflow-x: auto;
}

.categories_container {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.category_badge {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.5rem 1rem;
    border-radius: 9999px;
    font-size: var(--font_size_sm);
    font-weight: 500;
    background: var(--color_bg);
    color: var(--color_text_light);
    text-decoration: none;
    white-space: nowrap;
    transition: all var(--transition);
    border: 1px solid var(--color_border);
    box-shadow: var(--shadow_sm);
}

.category_badge:hover {
    background: var(--color_primary);
    color: #fff;
    text-decoration: none;
    border-color: var(--color_primary);
    box-shadow: var(--shadow_md);
    transform: translateY(-1px);
}

.category_badge.active {
    background: var(--color_primary);
    color: #fff;
    border-color: var(--color_primary);
}

.category_badge .count {
    font-size: 0.75rem;
    opacity: 0.75;
    background: rgba(255,255,255,0.2);
    padding: 0.0625rem 0.375rem;
    border-radius: 9999px;
}

.category_badge.active .count {
    background: rgba(255,255,255,0.2);
}

/* Flag Cards */

.flags_grid {
    max-width: var(--max_width);
    margin: 0 auto;
    padding: 0 var(--spacing_lg) var(--spacing_2xl);
}

.flags_container {
    max-width: var(--max_width);
    margin: 0 auto;
    padding: 0 var(--spacing_lg) var(--spacing_2xl);
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing_lg);
}

.flag_card {
    background: var(--color_bg);
    border-radius: var(--radius_lg);
    overflow: hidden;
    box-shadow: var(--shadow_sm);
    border: 1px solid var(--color_border);
    transition: transform var(--transition), box-shadow var(--transition);
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
}

.flag_card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow_lg);
    text-decoration: none;
}

.flag_thumb {
    width: 100%;
    height: 180px;
    overflow: hidden;
    background: var(--color_bg_alt);
}

.flag_thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

.flag_card:hover .flag_thumb img {
    transform: scale(1.05);
}

.flag_info {
    padding: var(--spacing_md) var(--spacing_lg);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.flag_info h3 {
    font-size: var(--font_size_base);
    font-weight: 600;
    margin-bottom: 0.125rem;
    color: var(--color_text);
}

.flag_category {
    font-size: var(--font_size_sm);
    color: var(--color_text_light);
}

.flag_progress {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-top: auto;
    padding-top: var(--spacing_md);
}

.flag_progress.large {
    margin-top: 0.75rem;
}

.progress_bar {
    flex: 1;
    height: 6px;
    background: var(--color_bg_alt);
    border-radius: 9999px;
    overflow: hidden;
}

.flag_progress.large .progress_bar {
    height: 8px;
}

.progress_fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color_primary), var(--color_primary_light));
    border-radius: 9999px;
    transition: width 0.5s ease;
}

.progress_text {
    font-size: var(--font_size_sm);
    color: var(--color_text_light);
    white-space: nowrap;
    font-weight: 500;
}

/* Flag Detail */

.flag_detail_header {
    max-width: var(--max_width);
    margin: 0 auto;
    padding: var(--spacing_2xl) var(--spacing_lg) 0;
}

.flag_detail_info h1 {
    font-size: var(--font_size_2xl);
    font-weight: 700;
    margin-bottom: 0.5rem;
    letter-spacing: -0.5px;
}

.flag_detail_info .flag_category {
    display: inline-block;
    font-size: var(--font_size_sm);
    font-weight: 500;
    background: rgba(99, 102, 241, 0.1);
    color: var(--color_primary);
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    margin-bottom: var(--spacing_md);
}

/* Flag Grid */

.flag_grid_section {
    max-width: var(--max_width);
    margin: 0 auto;
    padding: var(--spacing_lg);
}

.flag_grid {
    display: grid;
    gap: 3px;
    background: var(--color_border);
    border: 2px solid var(--color_border);
    border-radius: var(--radius_lg);
    overflow: hidden;
    position: relative;
    box-shadow: var(--shadow_md);
}

.flag_piece {
    position: relative;
    cursor: pointer;
    background: var(--color_bg);
    transition: transform 0.2s, z-index 0s;
}

.flag_piece:hover {
    transform: scale(1.08);
    z-index: 3;
    box-shadow: var(--shadow_lg);
}

.flag_piece img {
    width: 100%;
    display: block;
}

/* Available pieces */

.flag_piece.available img {
    filter: grayscale(0.9) brightness(0.3) contrast(0.7);
    transition: filter 0.25s;
}

.flag_piece.available:hover img {
    filter: grayscale(0) brightness(1) contrast(1);
}

.flag_piece.available .piece_overlay {
    background: rgba(0, 0, 0, 0.4);
}

.flag_piece.pending_approval {
    opacity: 0.6;
}

.flag_piece.claimed {
    cursor: default;
}

.flag_piece.claimed:hover {
    transform: none;
    box-shadow: none;
}

/* Piece overlay */

.piece_overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.25);
    opacity: 0;
    transition: opacity 0.2s;
}

.flag_piece:hover .piece_overlay {
    opacity: 1;
}

.flag_piece.claimed .piece_overlay {
    opacity: 0;
}

.piece_icon {
    color: #fff;
    font-size: 1.5rem;
    font-weight: 700;
    text-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

.plus_icon {
    font-size: 2.25rem;
}

.claimed_icon {
    background: var(--color_success);
    border-radius: 50%;
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    box-shadow: 0 2px 8px rgba(16, 185, 129, 0.4);
}

.pending_icon {
    color: var(--color_warning);
}

/* Tooltip */

.piece_tooltip {
    position: absolute;
    bottom: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%);
    background: var(--color_text);
    color: var(--color_bg);
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius_sm);
    font-size: 0.75rem;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s;
    z-index: 10;
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
    box-shadow: var(--shadow_lg);
}

.flag_piece.claimed:hover .piece_tooltip {
    opacity: 1;
}

.piece_tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 6px solid transparent;
    border-top-color: var(--color_text);
}

/* Modal */

.modal {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing_md);
}

.modal.hidden {
    display: none;
}

.modal_overlay {
    position: absolute;
    inset: 0;
    background: var(--color_overlay);
    backdrop-filter: blur(4px);
}

.modal_content {
    position: relative;
    background: var(--color_bg);
    border-radius: var(--radius_xl);
    padding: var(--spacing_xl);
    max-width: 480px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow_xl);
    animation: modal_in 0.2s ease;
}

@keyframes modal_in {
    from { transform: scale(0.95) translateY(10px); opacity: 0; }
    to { transform: scale(1) translateY(0); opacity: 1; }
}

.modal_close {
    position: absolute;
    top: var(--spacing_md);
    right: var(--spacing_md);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color_bg_alt);
    border: none;
    border-radius: 50%;
    font-size: 1.25rem;
    cursor: pointer;
    color: var(--color_text_light);
    transition: background var(--transition), color var(--transition);
}

.modal_close:hover {
    background: var(--color_error);
    color: #fff;
}

/* Page header */

.page_header {
    max-width: var(--max_width);
    margin: 0 auto;
    padding: var(--spacing_xl) var(--spacing_lg) var(--spacing_lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing_md);
}

.page_header h1 {
    font-size: var(--font_size_2xl);
    font-weight: 700;
    letter-spacing: -0.5px;
}

/* Create flag */

.create_flag_section {
    max-width: 640px;
    margin: 0 auto;
    padding: 0 var(--spacing_lg) var(--spacing_2xl);
}

.create_flag_form {
    background: var(--color_bg);
    padding: var(--spacing_xl);
    border-radius: var(--radius_xl);
    border: 1px solid var(--color_border);
    box-shadow: var(--shadow_sm);
}

/* Empty state */

.empty_state {
    text-align: center;
    padding: var(--spacing_2xl) var(--spacing_lg);
    color: var(--color_text_light);
    grid-column: 1 / -1;
}

.empty_state h3 {
    font-size: var(--font_size_xl);
    color: var(--color_text);
    margin-bottom: var(--spacing_sm);
}

.empty_state p {
    margin-bottom: var(--spacing_lg);
}

.empty_state .btn {
    margin-top: var(--spacing_md);
}

/* Share link */

.share_link small {
    color: var(--color_text_light);
    word-break: break-all;
    font-size: var(--font_size_sm);
}