/* ZDL Drive — Dark theme matching ZDL branding (BRANDING.md) */
:root {
    --bg: #0e0e12;
    --bg-card: #16161d;
    --bg-card-hover: #1c1c25;
    --border: #252530;
    --text: #e8e8ec;
    --text-dim: #78788a;
    --amber: #E8922D;
    --purple: #8B5CA0;
    --gradient: linear-gradient(135deg, #E8922D, #8B5CA0);
    --success: #27ae60;
    --warning: #f39c12;
    --danger: #e74c3c;
    --shadow: 0 1px 3px rgba(0,0,0,0.3), 0 1px 2px rgba(0,0,0,0.2);
    --shadow-lg: 0 4px 16px rgba(0,0,0,0.4);
    --radius: 8px;
    --radius-sm: 4px;
    --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

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

body {
    font-family: var(--font);
    color: var(--text);
    background: var(--bg);
    line-height: 1.5;
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border: none;
    border-radius: var(--radius);
    font-size: 14px;
    font-family: var(--font);
    cursor: pointer;
    transition: background 0.15s, box-shadow 0.15s, opacity 0.15s;
    white-space: nowrap;
}
.btn-primary { background: var(--gradient); color: #fff; font-weight: 600; letter-spacing: 0.5px; }
.btn-primary:hover { opacity: 0.9; box-shadow: var(--shadow); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { opacity: 0.9; }
.btn-text { background: none; color: var(--amber); padding: 8px 12px; }
.btn-text:hover { background: var(--bg-card-hover); }
.btn-icon { background: none; color: var(--text-dim); padding: 8px; border-radius: 50%; }
.btn-icon:hover { background: var(--bg-card-hover); }
.btn-icon.active { color: var(--amber); background: rgba(232,146,45,0.1); }
.btn-full { width: 100%; justify-content: center; }
a.btn-text { text-decoration: none; }

/* ---------- Login ---------- */
.login-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg);
}
.login-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    padding: 2.5rem 2rem;
    width: 100%;
    max-width: 400px;
}
.login-logo {
    text-align: center;
    margin-bottom: 32px;
}
.login-logo img {
    max-width: 180px;
    height: auto;
}
.login-logo h1 {
    font-size: 24px;
    font-weight: 600;
    margin-top: 12px;
    color: var(--text);
}
.login-subtitle {
    color: var(--text-dim);
    font-size: 14px;
    margin-top: 4px;
}
.login-error {
    background: rgba(231,76,60,0.15);
    color: var(--danger);
    padding: 10px 16px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    margin-bottom: 16px;
    border: 1px solid rgba(231,76,60,0.3);
}
.login-form { display: flex; flex-direction: column; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 4px; }
.form-group label {
    font-size: 0.85rem;
    color: var(--text-dim);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.form-group input {
    padding: 0.75rem 1rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 15px;
    font-family: var(--font);
    outline: none;
    transition: border-color 0.15s;
    background: var(--bg);
    color: var(--text);
}
.form-group input:focus { border-color: var(--amber); }
.form-group input::placeholder { color: var(--text-dim); }

/* ---------- Drive Layout ---------- */
.drive-app { display: flex; flex-direction: column; height: 100vh; }

.drive-header {
    display: flex;
    align-items: center;
    padding: 8px 16px;
    border-bottom: 1px solid var(--border);
    background: var(--bg-card);
    gap: 16px;
    flex-shrink: 0;
    height: 56px;
}
.header-left { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.header-left img { height: 28px; }
.header-title { font-size: 20px; font-weight: 500; color: var(--text-dim); }
.header-search {
    flex: 1;
    max-width: 640px;
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--bg);
    border-radius: 24px;
    padding: 6px 16px;
    border: 1px solid var(--border);
    transition: border-color 0.15s, box-shadow 0.15s;
}
.header-search:focus-within {
    border-color: var(--amber);
    box-shadow: 0 0 0 2px rgba(232,146,45,0.15);
}
.header-search input {
    flex: 1;
    border: none;
    background: none;
    font-size: 15px;
    font-family: var(--font);
    outline: none;
    color: var(--text);
}
.header-search input::placeholder { color: var(--text-dim); }
.header-right { display: flex; align-items: center; gap: 12px; flex-shrink: 0; margin-left: auto; }
.user-name { font-size: 14px; color: var(--text-dim); }

.drive-body { display: flex; flex: 1; overflow: hidden; }

/* ---------- Sidebar ---------- */
.drive-sidebar {
    width: 240px;
    border-right: 1px solid var(--border);
    padding: 12px;
    overflow-y: auto;
    flex-shrink: 0;
    background: var(--bg-card);
}
.sidebar-action { margin-bottom: 16px; width: 100%; }
.sidebar-section { margin-bottom: 8px; }
.sidebar-label {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 8px 8px 4px;
}

.folder-tree { display: flex; flex-direction: column; gap: 1px; }
.folder-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 8px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 13px;
    color: var(--text);
    user-select: none;
    transition: background 0.1s;
}
.folder-item:hover { background: var(--bg-card-hover); }
.folder-item.active { background: rgba(232,146,45,0.12); color: var(--amber); font-weight: 500; }
.folder-item .folder-children { margin-left: 20px; }
.folder-indent { padding-left: 20px; }

/* ---------- Main Area ---------- */
.drive-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    position: relative;
    background: var(--bg);
}

.drive-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 16px;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}
.toolbar-actions { display: flex; align-items: center; gap: 8px; }
.sort-select {
    padding: 6px 8px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-family: var(--font);
    background: var(--bg-card);
    color: var(--text);
    cursor: pointer;
    outline: none;
}

/* Breadcrumb */
.breadcrumb { display: flex; align-items: center; gap: 4px; font-size: 14px; flex-wrap: wrap; }
.breadcrumb-item {
    color: var(--text-dim);
    cursor: pointer;
    padding: 2px 4px;
    border-radius: var(--radius-sm);
}
.breadcrumb-item:hover { background: var(--bg-card-hover); color: var(--text); }
.breadcrumb-item:last-child { color: var(--amber); font-weight: 500; }
.breadcrumb-sep { color: var(--border); font-size: 12px; }

/* Upload Progress */
.upload-progress {
    padding: 8px 16px;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}
.progress-info { display: flex; justify-content: space-between; font-size: 13px; color: var(--text-dim); margin-bottom: 4px; }
.progress-bar { height: 4px; background: var(--border); border-radius: 2px; overflow: hidden; }
.progress-fill { height: 100%; background: var(--gradient); border-radius: 2px; transition: width 0.2s; width: 0; }

/* File Area */
.file-area {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    position: relative;
}

.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--text-dim);
    font-size: 16px;
    gap: 16px;
}

/* Grid View */
.file-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 12px;
}
.file-card {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 12px;
    cursor: pointer;
    transition: background 0.1s, box-shadow 0.15s;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    user-select: none;
    position: relative;
    background: var(--bg-card);
}
.file-card:hover { background: var(--bg-card-hover); box-shadow: var(--shadow); }
.file-card .file-icon { width: 48px; height: 48px; display: flex; align-items: center; justify-content: center; }
.file-card .file-icon img { max-width: 48px; max-height: 48px; border-radius: var(--radius-sm); object-fit: cover; }
.file-card .file-name { font-size: 13px; text-align: center; word-break: break-word; max-width: 100%; overflow: hidden; text-overflow: ellipsis; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; color: var(--text); }
.file-card .file-meta { font-size: 11px; color: var(--text-dim); }
.file-card .card-menu {
    position: absolute;
    top: 4px;
    right: 4px;
    opacity: 0;
    transition: opacity 0.1s;
}
.file-card:hover .card-menu { opacity: 1; }

/* Folder card */
.file-card.folder-card { border-color: transparent; background: var(--bg-card); }
.file-card.folder-card:hover { background: var(--bg-card-hover); border-color: var(--border); }

/* List View */
.file-list-table { width: 100%; }
.file-list-table table { width: 100%; border-collapse: collapse; }
.file-list-table th {
    text-align: left;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-dim);
    padding: 8px 12px;
    border-bottom: 1px solid var(--border);
    text-transform: uppercase;
    letter-spacing: 0.3px;
}
.file-list-table td { padding: 8px 12px; border-bottom: 1px solid var(--border); font-size: 14px; color: var(--text); }
.file-list-table tr { cursor: pointer; transition: background 0.1s; }
.file-list-table tbody tr:hover { background: var(--bg-card-hover); }
.file-list-table .file-name-cell { display: flex; align-items: center; gap: 10px; }
.file-list-table .file-name-cell svg { flex-shrink: 0; }
.file-list-table .file-size-cell { color: var(--text-dim); font-size: 13px; }
.file-list-table .file-date-cell { color: var(--text-dim); font-size: 13px; }
.file-list-table .file-actions-cell { text-align: right; }

/* Drop overlay */
.drop-overlay {
    display: none;
    position: absolute;
    inset: 0;
    background: rgba(232,146,45,0.08);
    border: 3px dashed var(--amber);
    border-radius: var(--radius);
    z-index: 100;
    align-items: center;
    justify-content: center;
}
.drop-overlay.active { display: flex; }
.drop-overlay-content { text-align: center; color: var(--amber); font-size: 18px; font-weight: 500; }
.drop-overlay-content p { margin-top: 12px; }

/* Context menu */
.context-menu {
    position: fixed;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    min-width: 160px;
    z-index: 1000;
    padding: 4px 0;
}
.ctx-item {
    display: block;
    width: 100%;
    text-align: left;
    padding: 8px 16px;
    border: none;
    background: none;
    font-size: 14px;
    font-family: var(--font);
    color: var(--text);
    cursor: pointer;
}
.ctx-item:hover { background: var(--bg-card-hover); }
.ctx-danger { color: var(--danger); }
.context-menu hr { border: none; border-top: 1px solid var(--border); margin: 4px 0; }

/* Modals */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
}
.modal {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    padding: 24px;
    min-width: 320px;
    max-width: 440px;
}
.modal h3 { font-size: 18px; margin-bottom: 16px; color: var(--text); }
.modal input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 15px;
    font-family: var(--font);
    outline: none;
    margin-bottom: 16px;
    background: var(--bg);
    color: var(--text);
}
.modal input:focus { border-color: var(--amber); }
.modal-actions { display: flex; justify-content: flex-end; gap: 8px; }

/* Search results */
.search-results {
    position: absolute;
    top: 56px;
    left: 50%;
    transform: translateX(-50%);
    width: 90%;
    max-width: 640px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    max-height: 400px;
    overflow-y: auto;
    z-index: 500;
    padding: 8px 0;
}
.search-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 16px;
    cursor: pointer;
    font-size: 14px;
    transition: background 0.1s;
    color: var(--text);
}
.search-item:hover { background: var(--bg-card-hover); }
.search-item .search-folder { font-size: 12px; color: var(--text-dim); margin-left: auto; }
.search-no-results { padding: 16px; text-align: center; color: var(--text-dim); font-size: 14px; }

/* Spinner */
.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--border);
    border-top-color: var(--amber);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Footer */
.login-footer {
    text-align: center;
    margin-top: 24px;
    font-size: 12px;
    color: var(--text-dim);
}

/* ---------- Role Badges ---------- */
.role-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.role-admin { background: rgba(232,146,45,0.2); color: var(--amber); }
.role-partner { background: rgba(139,92,160,0.2); color: var(--purple); }
.role-vendor { background: rgba(52,152,219,0.2); color: #3498db; }
.role-client { background: rgba(39,174,96,0.2); color: var(--success); }

.admin-link {
    color: var(--amber) !important;
    font-weight: 600;
    margin-right: 8px;
}

/* ---------- Admin Panel ---------- */
.admin-app { height: 100vh; display: flex; flex-direction: column; }
.admin-body { flex: 1; padding: 24px 32px; overflow-y: auto; }

.admin-tabs {
    display: flex;
    gap: 4px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 24px;
}
.admin-tab, .tab {
    background: none;
    border: none;
    color: var(--text-dim);
    padding: 10px 20px;
    cursor: pointer;
    font-size: 14px;
    border-bottom: 2px solid transparent;
    transition: all 0.2s;
}
.admin-tab:hover, .tab:hover { color: var(--text); }
.admin-tab.active, .tab.active { color: var(--amber); border-bottom-color: var(--amber); }

.tab-content { display: none; }
.tab-content.active { display: block; }

.admin-section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}
.admin-section-header h2 { margin: 0; font-size: 18px; color: var(--text); }

.admin-desc { color: var(--text-dim); margin-bottom: 20px; font-size: 14px; }
.admin-form { max-width: 500px; }
.admin-table-wrap { overflow-x: auto; }

.admin-result {
    margin-top: 16px;
    padding: 12px;
    border-radius: var(--radius-sm);
    font-size: 14px;
}
.admin-result.success { background: rgba(39,174,96,0.1); color: var(--success); }
.admin-result.error { background: rgba(231,76,60,0.1); color: var(--danger); }

.form-hint { color: var(--text-dim); font-size: 12px; margin-top: 4px; display: block; }

.scopes-cell { max-width: 200px; overflow: hidden; text-overflow: ellipsis; }
.detail-cell { max-width: 300px; overflow: hidden; text-overflow: ellipsis; }

.btn-danger-text { color: var(--danger) !important; }
.btn-danger-text:hover { text-decoration: underline; }

.admin-panel { }
.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}
.panel-header h2 { margin: 0; font-size: 18px; color: var(--text); }
.panel-desc { color: var(--text-dim); margin-bottom: 20px; font-size: 14px; }

.admin-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}
.admin-table th {
    text-align: left;
    padding: 10px 12px;
    color: var(--text-dim);
    font-weight: 500;
    border-bottom: 1px solid var(--border);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.admin-table td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
    color: var(--text);
}
.admin-table tr:hover td { background: var(--bg-card); }

.actions-cell { white-space: nowrap; }
.btn-sm {
    padding: 4px 10px;
    font-size: 12px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    background: var(--bg-card);
    color: var(--text);
    cursor: pointer;
    margin-right: 4px;
}
.btn-sm:hover { background: var(--bg-card-hover); }
.btn-sm.btn-danger { color: var(--danger); border-color: var(--danger); }
.btn-sm.btn-danger:hover { background: rgba(231,76,60,0.1); }

.form-group { margin-bottom: 16px; }
.form-group label { display: block; margin-bottom: 6px; color: var(--text-dim); font-size: 13px; }
.form-group input, .form-group select {
    width: 100%;
    padding: 10px 12px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-size: 14px;
}
.form-group input:focus, .form-group select:focus {
    outline: none;
    border-color: var(--amber);
}
.form-group small { color: var(--text-dim); font-size: 12px; margin-top: 4px; display: block; }

.modal-wide { width: 480px; }

.provision-result {
    margin-top: 16px;
    padding: 12px;
    background: var(--bg-card);
    border-radius: var(--radius-sm);
    font-size: 14px;
    color: var(--text);
}
.provision-result .error { color: var(--danger); }

.audit-filters {
    display: flex;
    gap: 12px;
    margin-bottom: 16px;
}
.audit-filters select {
    padding: 8px 12px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-size: 13px;
}
.action-badge {
    display: inline-block;
    padding: 2px 8px;
    background: var(--bg-card);
    border-radius: 10px;
    font-size: 12px;
    color: var(--text-dim);
}
.nowrap { white-space: nowrap; }
.dim { color: var(--text-dim); }

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
    .drive-sidebar { width: 200px; }
    .header-search { max-width: 300px; }
    .file-grid { grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); }
}
@media (max-width: 600px) {
    .drive-sidebar { display: none; }
    .header-search { display: none; }
    .file-grid { grid-template-columns: repeat(auto-fill, minmax(100px, 1fr)); }
}