/**
 * CHS Member Portal Upload Styles
 * Contest submission dropzone, progress, counter, preview grid.
 */
/* =====================================================
 * Contest Submission Display — themes/chs-theme/single-chs_contest.php
 * ===================================================== */

.chs-entry-counter {
    margin-bottom: 0.75rem;
    padding: 0.5rem 0;
    color: var(--chs-primary, #0D4B62);
    text-align: center;
    font-size: 0.9rem;
    font-weight: var(--chs-weight-medium, 500);
}

.chs-entry-counter--warning {
    color: var(--chs-member-warning);
    font-weight: var(--chs-weight-semibold, 600);
}

.chs-entry-counter--full {
    color: var(--chs-member-error);
    font-weight: var(--chs-weight-bold, 700);
}

.chs-overflow-banner {
    margin: 0.75rem 0;
    padding: 0.75rem 1rem;
    border: 1px solid rgba(191, 179, 89, 0.45);
    border-radius: var(--chs-member-radius-sm);
    background: linear-gradient(135deg, rgba(250, 239, 234, 0.9), rgba(255, 248, 225, 0.95));
    color: var(--chs-member-warning);
    font-size: 0.875rem;
    line-height: 1.4;
}

.chs-dropzone {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 180px;
    padding: 2.5rem 1.5rem;
    border: 2px dashed var(--chs-member-border);
    border-radius: var(--chs-member-radius-md);
    background: linear-gradient(180deg, rgba(250, 239, 234, 0.42), rgba(255, 255, 255, 0.95));
    text-align: center;
    cursor: pointer;
    transition: border-color 0.2s ease, background 0.2s ease, opacity 0.2s ease;
}

.chs-dropzone:hover {
    border-color: var(--chs-secondary, #1A566D);
    background: rgba(13, 75, 98, 0.03);
}

.chs-dropzone--active {
    border-color: var(--chs-primary, #0D4B62);
    background: rgba(13, 75, 98, 0.06);
}

.chs-dropzone--uploading {
    opacity: 0.6;
    pointer-events: none;
}

.chs-dropzone--disabled {
    position: relative;
    opacity: 0.6;
    pointer-events: none;
}

.chs-dropzone--disabled::after {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: rgba(255, 255, 255, 0.4);
}

.chs-dropzone__input {
    display: none;
}

.chs-dropzone__limit-message {
    position: relative;
    z-index: 1;
    padding: 1rem;
    color: var(--chs-primary, #0D4B62);
    text-align: center;
    font-size: 0.95rem;
    font-weight: var(--chs-weight-semibold, 600);
}

.chs-dropzone__progress {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-top: 0.75rem;
    padding: 0.85rem 1rem;
    border-radius: var(--chs-member-radius-sm);
    background: var(--chs-member-surface-alt);
}

.chs-upload-progress__spinner {
    width: 20px;
    height: 20px;
    border: 2px solid var(--chs-member-border);
    border-top-color: var(--chs-primary, #0D4B62);
    border-radius: 50%;
    animation: chs-spin 0.6s linear infinite;
}

.chs-upload-progress__text {
    color: var(--chs-member-muted);
    font-size: 0.9rem;
}

.chs-dropzone__preview-grid {
    display: grid;
    gap: 0.75rem;
    margin-top: 1rem;
}

.chs-dropzone__preview-grid[data-cols="1"] {
    grid-template-columns: 1fr;
    max-width: 360px;
}

.chs-dropzone__preview-grid[data-cols="2"] {
    grid-template-columns: repeat(2, 1fr);
}

.chs-dropzone__preview-grid[data-cols="3"] {
    grid-template-columns: repeat(3, 1fr);
}

.chs-dropzone__preview-grid[data-cols="4"] {
    grid-template-columns: repeat(4, 1fr);
    gap: 0.5rem;
}

.chs-dropzone__preview-grid--scrollable {
    max-height: 480px;
    overflow-y: auto;
    padding-right: 4px;
}

.chs-dropzone__preview-item {
    overflow: hidden;
    border: 1px solid var(--chs-member-border);
    border-radius: var(--chs-member-radius-sm);
    background: var(--chs-member-surface);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.chs-dropzone__preview-item__img-wrap {
    position: relative;
    width: 100%;
    overflow: hidden;
    background: var(--chs-member-surface-alt);
}

.chs-dropzone__preview-item img {
    display: block;
    width: 100%;
    object-fit: cover;
}

.chs-dropzone__preview-grid[data-cols="1"] .chs-dropzone__preview-item img {
    max-height: 240px;
}

.chs-dropzone__preview-grid[data-cols="2"] .chs-dropzone__preview-item img {
    max-height: 180px;
}

.chs-dropzone__preview-grid[data-cols="3"] .chs-dropzone__preview-item img {
    max-height: 140px;
}

.chs-dropzone__preview-grid[data-cols="4"] .chs-dropzone__preview-item img {
    max-height: 100px;
}

.chs-dropzone__preview-item--done {
    border-color: var(--chs-member-success);
    box-shadow: 0 0 0 2px rgba(31, 143, 95, 0.12);
}

.chs-dropzone__preview-item--error {
    border-color: var(--chs-member-error);
    box-shadow: 0 0 0 2px rgba(198, 40, 40, 0.12);
}

.chs-dropzone__preview-remove {
    position: absolute;
    top: 4px;
    right: 4px;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    padding: 0;
    border: none;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.6);
    color: #fff;
    font-size: 1rem;
    line-height: 1;
    cursor: pointer;
    transition: background 0.2s ease;
}

.chs-dropzone__preview-remove:hover,
.chs-dropzone__preview-remove:focus-visible {
    background: rgba(198, 40, 40, 0.92);
}

.chs-dropzone__preview-title {
    display: block;
    width: 100%;
    padding: 0.45rem 0.55rem;
    border: none;
    border-top: 1px solid var(--chs-member-border);
    background: var(--chs-member-surface);
    font-size: 0.78rem;
    outline: none;
    text-overflow: ellipsis;
}

.chs-dropzone__preview-title::placeholder {
    color: var(--chs-member-muted);
}

.chs-dropzone__preview-title:focus {
    background: var(--chs-member-surface-alt);
}

@keyframes chs-spin {
    to {
        transform: rotate(360deg);
    }
}


@media (max-width: 768px) {
    .chs-dropzone__preview-grid[data-cols="4"] {
        grid-template-columns: repeat(3, 1fr);
    }

    .chs-dropzone__preview-grid--scrollable {
        max-height: 360px;
    }
}