/* ═══════════════════════════════════════════════════════════════════════
   File Manager -- OMRO Admin App
   Full-screen modal file explorer with platform theming
   ═══════════════════════════════════════════════════════════════════════ */

/* ── Overlay ──────────────────────────────────────────────────────────── */
.fm-overlay {
    position: fixed;
    inset: 0;
    z-index: 9000;
    background: rgba(6, 10, 19, 0.75);
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fmFadeIn 0.2s ease-out;
}
@keyframes fmFadeIn { from { opacity: 0; } to { opacity: 1; } }

/* ── Panel ────────────────────────────────────────────────────────────── */
.fm-panel {
    width: calc(100% - 48px);
    max-width: 1100px;
    height: calc(100vh - 64px);
    max-height: 800px;
    min-width: 360px; min-height: 300px;
    background: var(--bg-surface);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg, 14px);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    animation: fmSlideUp 0.25s ease-out;
    position: relative;
    resize: both;
}
@keyframes fmSlideUp {
    from { opacity: 0; transform: translateY(24px) scale(0.97); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}
.fm-panel.fm-closing {
    animation: fmSlideDown 0.2s ease-in forwards;
}
@keyframes fmSlideDown {
    from { opacity: 1; transform: translateY(0) scale(1); }
    to   { opacity: 0; transform: translateY(18px) scale(0.97); }
}

/* ── Header ───────────────────────────────────────────────────────────── */
.fm-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    border-bottom: 1px solid var(--border-default, #2d3548);
    background: var(--bg-base, #0a0e17);
    flex-shrink: 0;
}
.fm-header-left,
.fm-header-right {
    display: flex;
    align-items: center;
    gap: 4px;
    flex-shrink: 0;
}
.fm-header-right { margin-left: auto; }

/* Breadcrumb */
.fm-breadcrumb {
    flex: 1;
    min-width: 0;
    display: flex;
    align-items: center;
    gap: 2px;
    overflow-x: auto;
    white-space: nowrap;
    font-size: 0.82rem;
    color: var(--text-secondary, #94a3b8);
    padding: 4px 8px;
    background: var(--bg-surface, #111827);
    border-radius: 6px;
    border: 1px solid var(--border-subtle, #1e2538);
    scrollbar-width: none;
}
.fm-breadcrumb::-webkit-scrollbar { display: none; }
.fm-crumb-link {
    cursor: pointer;
    padding: 2px 4px;
    border-radius: 4px;
    transition: all 0.15s;
}
.fm-crumb-link:hover {
    background: var(--accent-teal-dim, rgba(16,185,129,0.12));
    color: var(--accent-teal, #10b981);
}
.fm-crumb-sep { opacity: 0.35; margin: 0 1px; }

/* ── Buttons ──────────────────────────────────────────────────────────── */
.fm-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border: 1px solid var(--border-default, #2d3548);
    border-radius: 6px;
    background: var(--bg-base, #0a0e17);
    color: var(--text-secondary, #94a3b8);
    font-size: 0.82rem;
    cursor: pointer;
    transition: all 0.15s;
    white-space: nowrap;
}
.fm-btn:hover { border-color: var(--accent-teal, #10b981); color: var(--text-primary, #e0e0e0); }
.fm-btn:disabled { opacity: 0.4; cursor: not-allowed; }
.fm-btn:disabled:hover { border-color: var(--border-default, #2d3548); color: var(--text-secondary); }
.fm-btn-icon { padding: 6px 8px; }
.fm-btn-primary {
    background: var(--accent-teal, #10b981);
    color: var(--bg-deepest);
    border-color: var(--accent-teal, #10b981);
}
.fm-btn-primary:hover { background: var(--accent-teal-hover); border-color: var(--accent-teal-hover); color: var(--bg-deepest); }
.fm-btn-danger {
    border-color: var(--color-danger, #ef4444);
    color: var(--color-danger, #ef4444);
    background: transparent;
}
.fm-btn-danger:hover { background: rgba(239,68,68,0.12); }
.fm-btn-danger:disabled { border-color: var(--border-default) !important; color: var(--text-muted) !important; background: transparent !important; }
.fm-close { border: none; background: none; font-size: 1rem; }
.fm-close:hover { color: var(--color-danger, #ef4444); }

/* ── Body ─────────────────────────────────────────────────────────────── */
.fm-body {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    min-height: 0;
}

/* Loading / Empty / Error */
.fm-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4rem;
}
.fm-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4rem;
    color: var(--text-muted, #64748b);
    gap: 8px;
}
.fm-empty i { font-size: 2.5rem; opacity: 0.3; }
.fm-error {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 2rem;
    color: var(--color-danger, #ef4444);
    font-size: 0.9rem;
}

/* ── File List ────────────────────────────────────────────────────────── */
.fm-list { width: 100%; }

.fm-list-header {
    display: flex;
    align-items: center;
    padding: 6px 16px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted, #64748b);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    border-bottom: 1px solid var(--border-subtle, #1e2538);
    background: var(--bg-base, #0a0e17);
    position: sticky;
    top: 0;
    z-index: 2;
}
.fm-row {
    display: flex;
    align-items: center;
    padding: 7px 16px;
    border-bottom: 1px solid var(--border-subtle, #1e2538);
    cursor: default;
    transition: background 0.1s;
    font-size: 0.85rem;
    user-select: none;
}
.fm-row:hover { background: rgba(16, 185, 129, 0.04); }
.fm-row.fm-selected {
    background: rgba(16, 185, 129, 0.1);
    border-left: 2px solid var(--accent-teal, #10b981);
    padding-left: 14px;
}

/* Columns */
.fm-col-check { width: 32px; flex-shrink: 0; display: flex; align-items: center; justify-content: center; }
.fm-col-check input[type="checkbox"] {
    width: 15px;
    height: 15px;
    accent-color: var(--accent-teal, #10b981);
    cursor: pointer;
}
.fm-col-icon {
    width: 28px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.95rem;
}
.fm-col-name {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: var(--text-primary, #e0e0e0);
    padding-right: 12px;
}
.fm-col-size {
    width: 80px;
    flex-shrink: 0;
    text-align: right;
    color: var(--text-secondary, #94a3b8);
    font-size: 0.8rem;
    font-variant-numeric: tabular-nums;
    padding-right: 12px;
}
.fm-col-modified {
    width: 100px;
    flex-shrink: 0;
    text-align: right;
    color: var(--text-muted, #64748b);
    font-size: 0.78rem;
}

/* ── Status Bar ───────────────────────────────────────────────────────── */
.fm-status {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 6px 16px;
    border-top: 1px solid var(--border-default, #2d3548);
    background: var(--bg-base, #0a0e17);
    font-size: 0.75rem;
    color: var(--text-muted, #64748b);
    flex-shrink: 0;
}

/* ── Context Menu ─────────────────────────────────────────────────────── */
.fm-context-menu {
    position: fixed;
    z-index: 10000;
    min-width: 180px;
    background: var(--bg-surface, #111827);
    border: 1px solid var(--border-default, #2d3548);
    border-radius: 8px;
    padding: 4px 0;
    box-shadow: 0 8px 24px rgba(0,0,0,0.4);
    animation: fmCtxIn 0.12s ease-out;
}
@keyframes fmCtxIn { from { opacity: 0; transform: scale(0.95); } to { opacity: 1; transform: scale(1); } }

.fm-ctx-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 14px;
    font-size: 0.82rem;
    color: var(--text-primary, #e0e0e0);
    cursor: pointer;
    transition: background 0.1s;
}
.fm-ctx-item:hover { background: var(--accent-teal-dim, rgba(16,185,129,0.12)); }
.fm-ctx-item i { width: 16px; text-align: center; color: var(--text-secondary, #94a3b8); font-size: 0.8rem; }
.fm-ctx-danger { color: var(--color-danger, #ef4444); }
.fm-ctx-danger:hover { background: rgba(239,68,68,0.12); }
.fm-ctx-danger i { color: var(--color-danger, #ef4444); }
.fm-ctx-divider {
    height: 1px;
    background: var(--border-subtle, #1e2538);
    margin: 4px 8px;
}

/* ── Auth Prompt ──────────────────────────────────────────────────────── */
.fm-auth {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    padding: 2rem;
}
.fm-auth-card {
    text-align: center;
    max-width: 360px;
    width: 100%;
}
.fm-auth-icon {
    font-size: 2.5rem;
    color: var(--accent-teal, #10b981);
    margin-bottom: 12px;
    filter: drop-shadow(0 0 12px var(--accent-teal-dim));
}
.fm-auth-card h3 {
    color: var(--text-primary, #e0e0e0);
    margin: 0 0 8px;
    font-size: 1.2rem;
}
.fm-auth-card p {
    color: var(--text-secondary, #94a3b8);
    font-size: 0.88rem;
    margin: 0 0 20px;
    line-height: 1.5;
}
.fm-auth-form {
    display: flex;
    gap: 8px;
}
.fm-auth-form input {
    flex: 1;
    padding: 10px 14px;
    background: var(--bg-base, #0a0e17);
    border: 1px solid var(--border-default, #2d3548);
    border-radius: 8px;
    color: var(--text-primary, #e0e0e0);
    font-size: 0.9rem;
}
.fm-auth-form input:focus {
    border-color: var(--accent-teal, #10b981);
    outline: none;
    box-shadow: 0 0 0 3px var(--accent-teal-dim, rgba(16,185,129,0.15));
}
.fm-auth-error {
    color: var(--color-danger, #ef4444);
    font-size: 0.82rem;
    margin-top: 10px;
    min-height: 1.2em;
}

/* ── File Viewer ──────────────────────────────────────────────────────── */
.fm-viewer {
    position: absolute;
    inset: 0;
    z-index: 5;
    background: var(--bg-surface, #111827);
    display: flex;
    flex-direction: column;
    animation: fmFadeIn 0.15s ease-out;
}
.fm-viewer-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    border-bottom: 1px solid var(--border-default, #2d3548);
    background: var(--bg-base, #0a0e17);
    flex-shrink: 0;
}
.fm-viewer-title {
    flex: 1;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary, #e0e0e0);
    display: flex;
    align-items: center;
    gap: 8px;
}
.fm-viewer-title i { color: var(--accent-teal, #10b981); }
.fm-viewer-size {
    font-size: 0.78rem;
    color: var(--text-muted, #64748b);
    font-variant-numeric: tabular-nums;
}
.fm-viewer-content {
    flex: 1;
    overflow: auto;
    margin: 0;
    padding: 16px;
    font-family: 'Cascadia Code', 'Fira Code', 'JetBrains Mono', 'Consolas', monospace;
    font-size: 0.82rem;
    line-height: 1.6;
    color: var(--text-primary, #e0e0e0);
    background: var(--bg-deepest, #060a13);
    tab-size: 4;
    white-space: pre;
    word-break: break-all;
}

/* ── Edit Mode ─────────────────────────────────────────────────────────── */
.fm-viewer-edit {
    flex: 1;
    overflow: auto;
    margin: 0;
    padding: 16px;
    font-family: 'Cascadia Code', 'Fira Code', 'JetBrains Mono', 'Consolas', monospace;
    font-size: 0.82rem;
    line-height: 1.6;
    color: var(--text-primary, #e0e0e0);
    background: var(--bg-deepest, #060a13);
    border: none;
    outline: none;
    resize: none;
    tab-size: 4;
    white-space: pre;
    word-break: break-all;
    width: 100%;
}
.fm-btn-active { color: var(--accent-teal, #10b981) !important; }
.fm-btn-save { color: var(--color-success, #22c55e) !important; }
.fm-btn-save:hover { color: var(--text-primary, #e0e0e0) !important; background: var(--color-success, #22c55e) !important; }

/* ── Responsive ───────────────────────────────────────────────────────── */
@media (max-width: 768px) {
    .fm-panel {
        width: calc(100% - 16px);
        height: calc(100vh - 24px);
        max-height: none;
        border-radius: 10px;
    }
    .fm-col-modified { display: none; }
    .fm-col-size { width: 60px; }
    .fm-header { flex-wrap: wrap; padding: 8px 10px; }
    .fm-breadcrumb { order: 3; width: 100%; margin-top: 6px; }
}
@media (max-width: 480px) {
    .fm-col-size { display: none; }
    .fm-header-left .fm-btn:not(#fmBtnBack):not(#fmBtnUp) { display: none; }
}

/* ══ Minimized Card (bottom-right floating) ═══════════════════════════ */
.fm-mini-card {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 9100;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--bg-surface, #111827);
    border: 1px solid var(--border-default, #2d3548);
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    width: 260px;
    opacity: 0;
    transform: translateY(16px) scale(0.95);
    transition: opacity 0.25s ease-out, transform 0.25s ease-out, border-color 0.3s, box-shadow 0.3s;
    cursor: default;
}
.fm-mini-card.fm-mini-visible {
    opacity: 1;
    transform: translateY(0) scale(1);
}
.fm-mini-card.fm-mini-warning {
    border-color: var(--color-warning, #f59e0b);
    box-shadow: 0 8px 32px rgba(0,0,0,0.45), 0 0 12px rgba(245,158,11,0.15);
}
.fm-mini-card.fm-mini-expired {
    border-color: var(--color-danger, #ef4444);
    box-shadow: 0 8px 32px rgba(0,0,0,0.45), 0 0 12px rgba(239,68,68,0.2);
}

.fm-mini-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    background: var(--accent-teal-dim, rgba(16,185,129,0.12));
    color: var(--accent-teal, #10b981);
    font-size: 1rem;
    flex-shrink: 0;
    cursor: pointer;
}
.fm-mini-info {
    flex: 1;
    min-width: 0;
    cursor: pointer;
}
.fm-mini-title {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-primary, #e0e0e0);
    line-height: 1.2;
}
.fm-mini-path {
    font-size: 0.72rem;
    color: var(--text-muted, #64748b);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 160px;
}
.fm-mini-timer {
    font-size: 0.72rem;
    color: var(--accent-teal, #10b981);
    font-variant-numeric: tabular-nums;
    font-family: 'JetBrains Mono', monospace;
    margin-top: 2px;
}
.fm-mini-timer.fm-mini-timer-warn {
    color: var(--color-warning, #f59e0b);
    animation: fmTimerPulse 1.5s ease-in-out infinite;
}
@keyframes fmTimerPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.fm-mini-actions {
    display: flex;
    gap: 4px;
    flex-shrink: 0;
}
.fm-mini-btn {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-default, #2d3548);
    border-radius: 6px;
    background: transparent;
    color: var(--text-secondary, #94a3b8);
    font-size: 0.78rem;
    cursor: pointer;
    transition: all 0.15s;
}
.fm-mini-btn:hover {
    border-color: var(--accent-teal, #10b981);
    color: var(--text-primary, #e0e0e0);
}
.fm-mini-close:hover {
    border-color: var(--color-danger, #ef4444);
    color: var(--color-danger, #ef4444);
}

@media (max-width: 480px) {
    .fm-mini-card { right: 10px; bottom: 10px; width: 220px; }
}

/* ── Properties Modal Rows ─────────────────────────────────────────── */
.fm-prop-row {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    padding: 6px 0;
    border-bottom: 1px solid var(--border-default, rgba(255,255,255,0.06));
    font-size: 0.88rem;
    line-height: 1.5;
}
.fm-prop-row:last-child { border-bottom: none; }
.fm-prop-label {
    color: var(--text-secondary, #94a3b8);
    white-space: nowrap;
    min-width: 90px;
    flex-shrink: 0;
    font-weight: 500;
}
.fm-prop-val {
    color: var(--text-primary, #f0f4f8);
    text-align: right;
    word-break: break-word;
}