/**
 * KPD Document Vault - Premium Aesthetics
 * Version: 5.0.0
 */

:root {
    --kpd-vault-bg: #f8fafc;
    --kpd-folder-yellow: #fbbf24;
    --kpd-accent: #6366f1;
    --kpd-success: #10b981;
    --kpd-danger: #ef4444;
    --kpd-pending: #f59e0b;
    --kpd-text-main: #1e293b;
    --kpd-text-muted: #64748b;
    --kpd-border: #e2e8f0;
    --kpd-glass-bg: rgba(255, 255, 255, 0.7);
}

.kpd-vault-wrap {
    background: var(--kpd-vault-bg);
    min-height: 500px;
    padding: 20px;
    border-radius: 16px;
}

/* Header & Search */
.kpd-vault-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    gap: 20px;
    flex-wrap: wrap;
}

.kpd-vault-search {
    position: relative;
    flex-grow: 1;
    max-width: 500px;
}

.kpd-vault-search .dashicons {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--kpd-text-muted);
}

#kpd-vault-search-input {
    width: 100%;
    padding: 10px 10px 10px 40px;
    border: 1px solid var(--kpd-border);
    border-radius: 12px;
    background: #fff;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    transition: all 0.2s ease;
}

#kpd-vault-search-input:focus {
    border-color: var(--kpd-accent);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

/* Folder Grid */
.kpd-vault-folders-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 20px;
}

.kpd-folder-card {
    background: #fff;
    border: 1px solid var(--kpd-border);
    border-radius: 16px;
    padding: 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

.kpd-folder-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    border-color: var(--kpd-accent);
}

.kpd-folder-icon {
    margin-bottom: 12px;
    transition: transform 0.2s ease;
}

.kpd-folder-card:hover .kpd-folder-icon {
    transform: scale(1.1);
}

.kpd-folder-info h3 {
    font-size: 16px;
    font-weight: 700;
    margin: 0 0 4px 0;
    color: var(--kpd-text-main);
}

.kpd-folder-info p {
    font-size: 13px;
    color: var(--kpd-text-muted);
    margin: 0;
}

/* Documents View */
.kpd-vault-back {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    margin-bottom: 20px;
    background: #fff;
    border: 1px solid var(--kpd-border);
    border-radius: 8px;
    font-weight: 600;
    color: var(--kpd-text-main);
    cursor: pointer;
    transition: background 0.2s;
}

.kpd-vault-back:hover {
    background: #f1f5f9;
}

.kpd-vault-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.kpd-vault-card {
    background: #fff;
    border: 1px solid var(--kpd-border);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.kpd-vault-card-header {
    padding: 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    border-bottom: 1px solid transparent;
}

.kpd-vault-card.active .kpd-vault-card-header {
    border-bottom-color: var(--kpd-border);
    background: #f8fafc;
}

.kpd-vault-card-icon {
    width: 48px;
    height: 48px;
    background: #f1f5f9;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.kpd-vault-card-title h4 {
    margin: 0;
    font-size: 15px;
    font-weight: 700;
    color: var(--kpd-text-main);
}

.kpd-vault-card-title p {
    margin: 0;
    font-size: 12px;
    color: var(--kpd-text-muted);
}

.kpd-vault-card-expand {
    margin-left: auto;
    transition: transform 0.3s ease;
    color: var(--kpd-text-muted);
}

.kpd-vault-card.active .kpd-vault-card-expand {
    transform: rotate(180deg);
}

.kpd-vault-card-body {
    display: none;
    padding: 16px;
}

/* File List */
.kpd-vault-file-item {
    display: flex;
    align-items: center;
    padding: 12px;
    border: 1px solid var(--kpd-border);
    border-radius: 12px;
    margin-bottom: 10px;
    gap: 12px;
    background: #fff;
    transition: transform 0.2s ease;
}

.kpd-vault-file-item:hover {
    transform: scale(1.02);
    border-color: var(--kpd-accent);
}

.kpd-file-meta {
    flex-grow: 1;
}

.kpd-file-name {
    display: block;
    font-weight: 600;
    font-size: 13px;
    color: var(--kpd-text-main);
    word-break: break-all;
}

.kpd-file-status {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 4px;
}

.kpd-status-badge {
    padding: 2px 8px;
    border-radius: 999px;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
}

.kpd-status-badge.pending { background: #fee2e2; color: var(--kpd-pending); }
.kpd-status-badge.approved { background: #dcfce7; color: var(--kpd-success); }
.kpd-status-badge.rejected { background: #fee2e2; color: var(--kpd-danger); }

.kpd-file-date {
    font-size: 11px;
    color: var(--kpd-text-muted);
}

.kpd-icon-btn {
    color: var(--kpd-text-muted);
    text-decoration: none;
    transition: color 0.2s;
}

.kpd-icon-btn:hover {
    color: var(--kpd-accent);
}

.kpd-delete-btn:hover {
    color: var(--kpd-danger);
}

/* Upload Zone */
.kpd-vault-upload-zone {
    border: 2px dashed var(--kpd-border);
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
}

.kpd-vault-upload-zone:hover {
    border-color: var(--kpd-accent);
    background: rgba(99, 102, 241, 0.05);
}

.kpd-vault-upload-zone span { font-size: 32px; color: var(--kpd-text-muted); }
.kpd-vault-upload-zone p { margin: 10px 0 0 0; font-weight: 600; color: var(--kpd-text-main); }

/* Progress Bar */
.kpd-vault-progress {
    height: 4px;
    background: #e2e8f0;
    border-radius: 2px;
    margin-top: 10px;
    overflow: hidden;
}

.kpd-vault-progress-bar {
    height: 100%;
    background: var(--kpd-accent);
    width: 0%;
    transition: width 0.3s;
}

/* Modal */
.kpd-modal {
    display: none;
    position: fixed;
    z-index: 99999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(4px);
    align-items: center;
    justify-content: center;
}

.kpd-modal-content {
    background: #fff;
    width: 90%;
    max-width: 800px;
    max-height: 90vh;
    border-radius: 20px;
    overflow: hidden;
}

.kpd-modal-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--kpd-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.kpd-modal-header h3 { margin: 0; font-size: 18px; }
.kpd-modal-close { cursor: pointer; color: var(--kpd-text-muted); }

.kpd-modal-body {
    padding: 20px;
    overflow-y: auto;
    max-height: calc(90vh - 60px);
}

.kpd-modal-body iframe, .kpd-modal-body img {
    width: 100%;
    border-radius: 12px;
}

/* Responsive */
@media (max-width: 768px) {
    .kpd-vault-header { flex-direction: column; align-items: stretch; }
    .kpd-vault-search { max-width: none; }
}