:root {
    --bg-base: #020617;
    --bg-glass: rgba(15, 23, 42, 0.7);
    --bg-hover: rgba(56, 189, 248, 0.1);
    --border: rgba(255, 255, 255, 0.08);
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --accent: #38bdf8;
    --accent-glow: rgba(56, 189, 248, 0.3);
    --jellyfin: #a855f7;
    --jellyfin-hover: #c084fc;
    --folder: #fbbf24;
    --modal-bg: rgba(0, 0, 0, 0.7);
}

* { box-sizing: border-box; }

::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.15); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.25); }

body {
    background: radial-gradient(circle at top right, #0f172a, #020617);
    color: var(--text-main); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    margin: 0; padding: 20px; display: flex; justify-content: center; height: 100vh;
}

.app-container {
    width: 100%; max-width: 1200px; display: flex; flex-direction: column; gap: 16px;
}

.topbar {
    display: flex; justify-content: space-between; align-items: center;
    background: var(--bg-glass); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
    padding: 14px 20px; border-radius: 14px; border: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 12px; font-size: 18px; font-weight: 600; }
.brand-icon { width: 24px; height: 24px; fill: none; stroke: var(--accent); stroke-width: 2; }

/* Topbar Jellyfin Button */
.btn-jellyfin-top {
    display: inline-flex; align-items: center; gap: 8px; background: rgba(168, 85, 247, 0.15);
    border: 1px solid rgba(168, 85, 247, 0.4); color: #e9d5ff; padding: 8px 14px; border-radius: 8px;
    font-size: 13px; font-weight: 600; cursor: pointer; transition: 0.2s;
}
.btn-jellyfin-top:hover { background: rgba(168, 85, 247, 0.3); border-color: var(--jellyfin); color: #fff; }
.btn-jellyfin-top svg { width: 14px; height: 14px; fill: currentColor; }

.controls-area {
    display: flex; justify-content: space-between; gap: 15px; align-items: center; flex-wrap: wrap;
}
.nav-controls {
    display: flex; align-items: center; gap: 8px; flex-grow: 1; overflow: hidden;
    background: var(--bg-glass); backdrop-filter: blur(12px); padding: 8px 12px; border-radius: 12px; border: 1px solid var(--border);
}
.breadcrumbs { display: flex; align-items: center; white-space: nowrap; overflow-x: auto; font-size: 14px; padding: 2px 0; }
.crumb-link { color: var(--text-muted); text-decoration: none; cursor: pointer; padding: 4px 8px; border-radius: 6px; }
.crumb-link:hover { background: rgba(255,255,255,0.05); color: var(--text-main); }
.crumb-sep { color: var(--border); margin: 0 4px; font-weight: bold; }
.crumb-current { color: var(--text-main); padding: 4px 8px; font-weight: 500; }

.icon-btn { background: transparent; border: none; color: var(--text-muted); cursor: pointer; display: flex; align-items: center; padding: 6px; border-radius: 6px; }
.icon-btn:hover { background: rgba(255,255,255,0.05); color: var(--text-main); }
.icon-btn svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2; }

.search-container { position: relative; width: 300px; }
.search-icon { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); width: 16px; height: 16px; fill: none; stroke: var(--text-muted); stroke-width: 2; }
.search-box {
    width: 100%; background: var(--bg-glass); backdrop-filter: blur(12px); border: 1px solid var(--border);
    padding: 10px 12px 10px 38px; color: #fff; font-family: inherit; font-size: 14px; border-radius: 12px;
    outline: none; transition: 0.2s;
}
.search-box:focus { border-color: var(--accent); box-shadow: 0 0 15px var(--accent-glow); }

.file-view {
    flex-grow: 1; overflow-y: auto; background: var(--bg-glass); backdrop-filter: blur(12px);
    border-radius: 14px; border: 1px solid var(--border);
}
table { width: 100%; border-collapse: collapse; text-align: left; table-layout: fixed; }
th { background: rgba(255,255,255,0.02); color: var(--text-muted); font-weight: 500; padding: 14px 20px; border-bottom: 1px solid var(--border); position: sticky; top: 0; font-size: 13px; z-index: 10; text-transform: uppercase; }
td { padding: 12px 20px; border-bottom: 1px solid var(--border); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; cursor: pointer; user-select: none; font-size: 14px; }
tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--bg-hover); }

.col-name { width: 80%; }
.col-size { width: 20%; color: var(--text-muted); }

.item-wrapper { display: flex; align-items: center; gap: 12px; }
.item-icon { width: 20px; height: 20px; flex-shrink: 0; fill: none; stroke-width: 2; }
.folder .item-icon { stroke: var(--folder); fill: rgba(251, 191, 36, 0.1); }
.file .item-icon { stroke: var(--accent); fill: rgba(56, 189, 248, 0.1); }
.empty { text-align: center; color: var(--text-muted); padding: 50px; }

/* Modal */
.modal-overlay {
    display: none; position: fixed; inset: 0; background: var(--modal-bg); backdrop-filter: blur(5px);
    z-index: 100; justify-content: center; align-items: center; padding: 20px;
}
.modal-overlay.active { display: flex; }
.modal-content {
    background: #0f172a; border: 1px solid var(--border); border-radius: 14px; width: 100%; max-width: 420px;
    box-shadow: 0 25px 50px -12px rgba(0,0,0,0.5); display: flex; flex-direction: column; overflow: hidden;
}
.modal-header { padding: 16px 20px; border-bottom: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; background: rgba(255,255,255,0.02); }
.modal-header h3 { margin: 0; font-size: 14px; font-weight: 500; color: #fff; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; width: 90%; }
.close-btn { background: transparent; border: none; color: var(--text-muted); font-size: 18px; cursor: pointer; }
.close-btn:hover { color: #fff; }
.modal-body { padding: 16px 20px; display: flex; flex-direction: column; gap: 10px; }

.action-btn {
    display: flex; align-items: center; gap: 12px; padding: 12px 16px; background: rgba(255,255,255,0.03); border: 1px solid var(--border);
    color: var(--text-main); text-decoration: none; border-radius: 8px; font-size: 14px; font-family: inherit; cursor: pointer; transition: 0.15s;
}
.action-btn:hover { background: rgba(255,255,255,0.08); }
.action-btn.primary { background: var(--accent); border-color: var(--accent); color: #020617; font-weight: 600; }
.action-btn.primary:hover { background: #7dd3fc; }
.action-btn.jellyfin { background: rgba(168, 85, 247, 0.15); border-color: var(--jellyfin); color: #e9d5ff; font-weight: 600; }
.action-btn.jellyfin:hover { background: rgba(168, 85, 247, 0.3); color: #fff; }
.action-btn svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2; }

/* Toast */
#toast {
    position: fixed; bottom: 30px; left: 50%; transform: translateX(-50%) translateY(50px);
    background: var(--text-main); color: #000; padding: 12px 24px; font-size: 14px; font-weight: 600;
    box-shadow: 0 10px 25px rgba(0,0,0,0.3); border-radius: 30px; z-index: 1000;
    opacity: 0; transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}
#toast.show { transform: translateX(-50%) translateY(0); opacity: 1; }

@media (max-width: 768px) {
    body { padding: 0; height: 100dvh; }
    .app-container { gap: 0; height: 100%; }
    .topbar { border-radius: 0; border-left: none; border-right: none; border-top: none; }
    .controls-area { padding: 10px 14px; gap: 10px; }
    .nav-controls, .search-container { width: 100%; }
    .file-view { border-radius: 0; border-left: none; border-right: none; }
    td { padding: 14px; }
}