/**
 * SRZ Rada - Document Folder Frontend Styles
 *
 * Štýly pre frontend zobrazenie priečinkov dokumentov.
 * Podporuje 5 štýlov: table, cards, list, timeline, grid.
 *
 * @package Srz_Rada
 * @since 1.0.0
 */

/* ============================================
   CSS PREMENNÉ
   ============================================ */

.srz-doc-folder {
    --srz-doc-color-primary: #28c2bb;
    --srz-doc-color-dark: #1ea69f;
    --srz-doc-color-light: #3fd6cf;
    --srz-doc-color-lighter: #56e0da;
    --srz-doc-color-alpha20: rgba(40, 194, 187, 0.2);
    --srz-doc-color-alpha30: rgba(40, 194, 187, 0.3);
    --srz-doc-color-alpha50: rgba(40, 194, 187, 0.5);

    --srz-doc-pdf-color: #e74c3c;
    --srz-doc-word-color: #2980b9;
    --srz-doc-excel-color: #27ae60;

    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
}

/* ============================================
   ZÁKLADNÉ ŠTÝLY
   ============================================ */

.srz-doc-folder {
    margin: 20px 0;
}

/* Header */
.srz-doc-folder-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    background: linear-gradient(135deg, var(--srz-doc-color-primary) 0%, var(--srz-doc-color-dark) 100%);
    border-radius: 8px 8px 0 0;
    color: #fff;
    gap: 12px;
}

.srz-doc-folder-collapsed .srz-doc-folder-header {
    border-radius: 8px;
}

.srz-doc-folder-header-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.srz-doc-folder-title {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
    color: #fff;
}

.srz-doc-folder-count {
    font-size: 13px;
    opacity: 0.9;
    padding: 4px 12px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 20px;
}

/* Header Controls */
.srz-doc-folder-header-controls {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: auto;
    margin-right: 12px;
}

.srz-doc-folder-header-controls select {
    padding: 6px 28px 6px 10px;
    border: none;
    border-radius: 6px;
    background-color: rgba(255, 255, 255, 0.2);
    color: #fff;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    appearance: none;
    -webkit-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='%23ffffff' d='M6 8L2 4h8z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 8px center;
    min-width: 90px;
}

.srz-doc-folder-header-controls select:hover {
    background-color: rgba(255, 255, 255, 0.3);
}

.srz-doc-folder-header-controls select:focus {
    outline: none;
    background-color: rgba(255, 255, 255, 0.35);
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.3);
}

.srz-doc-folder-header-controls select option {
    background: #fff;
    color: #1f2937;
    padding: 8px;
}

.srz-doc-folder-style {
    min-width: 100px;
}

.srz-doc-folder-sort {
    min-width: 85px;
}

.srz-doc-folder-order {
    min-width: 95px;
}

/* Toggle tlačidlo */
.srz-doc-folder-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    padding: 0;
    border: none;
    background: rgba(255, 255, 255, 0.2);
    color: #fff;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
}

.srz-doc-folder-toggle:hover {
    background: rgba(255, 255, 255, 0.3);
}

.srz-doc-folder-toggle .dashicons {
    font-size: 20px;
    width: 20px;
    height: 20px;
    transition: transform 0.3s ease;
}

/* Collapsible obsah */
.srz-doc-folder-content {
    overflow: hidden;
    transition: max-height 0.3s ease, opacity 0.2s ease;
}

/* Empty content state */
.srz-doc-folder-empty-content {
    text-align: center;
    padding: 40px 20px;
    color: #6b7280;
    background: #f8fafc;
    border: 1px solid #e5e7eb;
    border-radius: 0 0 8px 8px;
}

/* Badge pre typ */
.srz-doc-badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 700;
    color: #fff;
    text-transform: uppercase;
}

.srz-doc-badge-pdf { background-color: var(--srz-doc-pdf-color); }
.srz-doc-badge-word { background-color: var(--srz-doc-word-color); }
.srz-doc-badge-excel { background-color: var(--srz-doc-excel-color); }

/* Akčné tlačidlá */
.srz-doc-action {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border: none;
    background: var(--srz-doc-color-alpha20);
    color: var(--srz-doc-color-primary);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    margin-right: 6px;
}

.srz-doc-action:last-child {
    margin-right: 0;
}

.srz-doc-action:hover {
    background: var(--srz-doc-color-primary);
    color: #fff;
}

.srz-doc-action .dashicons {
    font-size: 16px;
    width: 16px;
    height: 16px;
}

/* Error state */
.srz-doc-folder-error {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 16px 20px;
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: 8px;
    color: #991b1b;
}

.srz-doc-folder-error .dashicons {
    color: #dc2626;
}

/* Empty state */
.srz-doc-folder-empty {
    text-align: center;
    padding: 40px 20px;
    background: #f8fafc;
    border: 2px dashed #e2e8f0;
    border-radius: 8px;
    color: #64748b;
}

.srz-doc-folder-empty .dashicons {
    font-size: 48px;
    width: 48px;
    height: 48px;
    color: #cbd5e1;
    margin-bottom: 10px;
}

/* ============================================
   ŠTÝL 1: TABUĽKA (table)
   ============================================ */

.srz-doc-folder-style-table .srz-doc-table-wrap {
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 0 0 8px 8px;
    overflow: hidden;
}

.srz-doc-folder-style-table .srz-doc-table {
    width: 100%;
    border-collapse: collapse;
    margin: 0;
}

.srz-doc-folder-style-table .srz-doc-table th {
    padding: 12px 16px;
    text-align: left;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: #6b7280;
    background: #f9fafb;
    border-bottom: 1px solid #e5e7eb;
}

.srz-doc-folder-style-table .srz-doc-table td {
    padding: 14px 16px;
    border-bottom: 1px solid #f3f4f6;
    vertical-align: middle;
}

.srz-doc-folder-style-table .srz-doc-row:last-child td {
    border-bottom: none;
}

.srz-doc-folder-style-table .srz-doc-row:hover {
    background: #f9fafb;
}

.srz-doc-folder-style-table .col-type { width: 70px; }
.srz-doc-folder-style-table .col-date { width: 100px; }
.srz-doc-folder-style-table .col-size { width: 80px; text-align: right; }
.srz-doc-folder-style-table .col-actions { width: 100px; text-align: right; }

.srz-doc-folder-style-table .col-name {
    font-weight: 500;
    color: #1f2937;
}

.srz-doc-folder-style-table .col-date,
.srz-doc-folder-style-table .col-size {
    color: #6b7280;
    font-size: 13px;
}

/* Responsive table */
@media (max-width: 768px) {
    .srz-doc-folder-style-table .srz-doc-table thead {
        display: none;
    }

    .srz-doc-folder-style-table .srz-doc-table tr {
        display: block;
        margin-bottom: 12px;
        border: 1px solid #e5e7eb;
        border-radius: 8px;
        padding: 12px;
    }

    .srz-doc-folder-style-table .srz-doc-table td {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 8px 0;
        border-bottom: 1px solid #f3f4f6;
    }

    .srz-doc-folder-style-table .srz-doc-table td::before {
        content: attr(data-label);
        font-weight: 500;
        color: #6b7280;
        font-size: 12px;
    }

    .srz-doc-folder-style-table .col-actions {
        justify-content: flex-end;
    }
}

/* ============================================
   ŠTÝL 2: KARTY (cards)
   ============================================ */

.srz-doc-folder-style-cards .srz-doc-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 16px;
    padding: 20px;
    background: #f8fafc;
    border: 1px solid #e5e7eb;
    border-radius: 0 0 8px 8px;
}

.srz-doc-card {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 16px;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
    transition: all 0.2s;
}

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

.srz-doc-card-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    color: #fff;
}

.srz-doc-card-icon .dashicons {
    font-size: 24px;
    width: 24px;
    height: 24px;
}

.srz-doc-card-content {
    flex: 1;
    min-width: 0;
}

.srz-doc-card-title {
    margin: 0 0 8px;
    font-size: 15px;
    font-weight: 600;
    color: #1f2937;
    line-height: 1.3;
    word-wrap: break-word;
}

.srz-doc-card-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 12px;
    color: #6b7280;
}

.srz-doc-card-type {
    font-weight: 600;
    text-transform: uppercase;
}

.srz-doc-card-actions {
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

/* ============================================
   ŠTÝL 3: ZOZNAM (list)
   ============================================ */

.srz-doc-folder-style-list .srz-doc-list {
    list-style: none;
    margin: 0;
    padding: 0;
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 0 0 8px 8px;
}

.srz-doc-list-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 20px;
    border-bottom: 1px solid #f3f4f6;
    transition: background 0.15s;
}

.srz-doc-list-item:last-child {
    border-bottom: none;
}

.srz-doc-list-item:hover {
    background: #f9fafb;
}

.srz-doc-list-icon {
    flex-shrink: 0;
    font-size: 20px;
}

.srz-doc-list-icon .dashicons {
    font-size: 20px;
    width: 20px;
    height: 20px;
}

.srz-doc-list-link {
    flex: 1;
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: inherit;
}

.srz-doc-list-title {
    font-weight: 500;
    color: #1f2937;
    margin-bottom: 2px;
}

.srz-doc-list-link:hover .srz-doc-list-title {
    color: var(--srz-doc-color-primary);
}

.srz-doc-list-meta {
    font-size: 12px;
    color: #9ca3af;
}

/* ============================================
   ŠTÝL 4: ČASOVÁ OS (timeline)
   ============================================ */

.srz-doc-folder-style-timeline .srz-doc-timeline {
    padding: 20px;
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 0 0 8px 8px;
}

.srz-doc-timeline-month {
    margin-bottom: 24px;
}

.srz-doc-timeline-month:last-child {
    margin-bottom: 0;
}

.srz-doc-timeline-label {
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--srz-doc-color-primary);
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--srz-doc-color-alpha20);
}

.srz-doc-timeline-items {
    position: relative;
    padding-left: 24px;
}

.srz-doc-timeline-items::before {
    content: '';
    position: absolute;
    left: 6px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: #e5e7eb;
}

.srz-doc-timeline-item {
    position: relative;
    padding: 8px 0;
}

.srz-doc-timeline-dot {
    position: absolute;
    left: -18px;
    top: 14px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    border: 3px solid #fff;
    box-shadow: 0 0 0 2px #e5e7eb;
}

.srz-doc-timeline-content {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.srz-doc-timeline-link {
    font-weight: 500;
    color: #1f2937;
    text-decoration: none;
    transition: color 0.15s;
}

.srz-doc-timeline-link:hover {
    color: var(--srz-doc-color-primary);
}

.srz-doc-timeline-meta {
    font-size: 12px;
    color: #9ca3af;
}

/* ============================================
   ŠTÝL 5: MRIEŽKA (grid)
   ============================================ */

.srz-doc-folder-style-grid .srz-doc-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 16px;
    padding: 20px;
    background: #f8fafc;
    border: 1px solid #e5e7eb;
    border-radius: 0 0 8px 8px;
}

.srz-doc-grid-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 20px 16px;
    background: #fff;
    border-radius: 10px;
    text-decoration: none;
    color: inherit;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
    transition: all 0.2s;
}

.srz-doc-grid-item:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transform: translateY(-3px);
}

.srz-doc-grid-icon {
    width: 64px;
    height: 64px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    color: #fff;
    margin-bottom: 12px;
}

.srz-doc-grid-icon .dashicons {
    font-size: 28px;
    width: 28px;
    height: 28px;
}

.srz-doc-grid-ext {
    font-size: 10px;
    font-weight: 700;
    margin-top: 2px;
}

.srz-doc-grid-title {
    font-size: 13px;
    font-weight: 500;
    color: #1f2937;
    line-height: 1.3;
    margin-bottom: 4px;
    word-wrap: break-word;
}

.srz-doc-grid-meta {
    font-size: 11px;
    color: #9ca3af;
}

/* ============================================
   MODAL PRE PDF VIEWER
   ============================================ */

.srz-doc-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.75);
    z-index: 999999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 1 !important;
}

/* Explicitné ID pre vyššiu špecificitu */
#srz-doc-viewer-modal.srz-doc-modal-overlay {
    z-index: 999999 !important;
}

.srz-doc-modal {
    background: #fff;
    border-radius: 12px;
    width: 100%;
    max-width: 1000px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
    animation: srz-slide-up 0.3s ease;
}

.srz-doc-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    background: var(--srz-doc-color-primary);
    color: #fff;
}

.srz-doc-modal-title {
    margin: 0;
    font-size: 16px;
    font-weight: 600;
}

.srz-doc-modal-close {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: #fff;
    width: 32px;
    height: 32px;
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.15s;
}

.srz-doc-modal-close:hover {
    background: rgba(255, 255, 255, 0.3);
}

.srz-doc-modal-body {
    flex: 1;
    overflow: auto;
    padding: 0;
}

@keyframes srz-fade-in {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes srz-slide-up {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
   RESPONZÍVNY DIZAJN
   ============================================ */

@media (max-width: 900px) {
    .srz-doc-folder-header {
        flex-wrap: wrap;
        gap: 12px;
    }

    .srz-doc-folder-header-left {
        flex: 1;
        min-width: 200px;
    }

    .srz-doc-folder-header-controls {
        order: 3;
        width: 100%;
        margin-left: 0;
        margin-right: 0;
        justify-content: flex-start;
    }

    .srz-doc-folder-toggle {
        order: 2;
    }
}

@media (max-width: 640px) {
    .srz-doc-folder-header {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }

    .srz-doc-folder-header-left {
        width: 100%;
        justify-content: center;
    }

    .srz-doc-folder-header-controls {
        width: 100%;
        justify-content: center;
        flex-wrap: wrap;
    }

    .srz-doc-folder-header-controls select {
        flex: 1;
        min-width: 80px;
    }

    .srz-doc-folder-toggle {
        position: absolute;
        top: 12px;
        right: 12px;
    }

    .srz-doc-folder-header {
        position: relative;
        padding-top: 50px;
    }

    .srz-doc-folder-style-cards .srz-doc-cards {
        grid-template-columns: 1fr;
    }

    .srz-doc-card {
        flex-direction: column;
        align-items: stretch;
    }

    .srz-doc-card-icon {
        width: 40px;
        height: 40px;
    }

    .srz-doc-card-actions {
        flex-direction: row;
        justify-content: flex-end;
        margin-top: 10px;
    }

    .srz-doc-folder-style-grid .srz-doc-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ============================================
   MODAL LOADING A ERROR STAVY
   ============================================ */

.srz-doc-modal-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 15px;
    padding: 60px 20px;
    color: #6b7280;
}

.srz-doc-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid #e5e7eb;
    border-top-color: var(--srz-doc-color-primary, #28c2bb);
    border-radius: 50%;
    animation: srz-doc-spin 0.8s linear infinite;
}

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

.srz-doc-modal-error {
    text-align: center;
    padding: 60px 20px;
    color: #dc2626;
    background: #fef2f2;
    border-radius: 8px;
    margin: 20px;
}

.srz-doc-modal-content {
    min-height: 300px;
}

.srz-doc-modal-content .srz-document-viewer {
    border-radius: 0;
}

.srz-doc-modal-overlay.closing {
    animation: srz-fade-out 0.2s ease forwards;
}

.srz-doc-modal-overlay.closing .srz-doc-modal {
    animation: srz-slide-down 0.2s ease forwards;
}

@keyframes srz-fade-out {
    to { opacity: 0; }
}

@keyframes srz-slide-down {
    to { transform: translateY(20px); opacity: 0; }
}

body.srz-modal-open {
    overflow: hidden;
}

/* ============================================
   TLAČ
   ============================================ */

@media print {
    .srz-doc-action,
    .srz-doc-card-actions {
        display: none;
    }

    .srz-doc-folder {
        break-inside: avoid;
    }
}