/* -- Reset & Variables -- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --bg: #f7f6f3;
    --bg-card: #ffffff;
    --text: #1a1a1a;
    --text-muted: #888;
    --accent: #2563eb;
    --accent-hover: #1d4ed8;
    --green: #16a34a;
    --green-bg: #f0fdf4;
    --yellow: #ca8a04;
    --yellow-bg: #fefce8;
    --red: #dc2626;
    --red-bg: #fef2f2;
    --border: #e5e5e5;
    --radius: 8px;
    --shadow: 0 1px 3px rgba(0,0,0,0.06);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
    min-height: 100vh;
}

/* -- Main page: full-height flex layout -- */
body.main-page {
    height: 100vh;
    overflow: hidden;
}

body.main-page .container {
    height: 100%;
    display: flex;
    flex-direction: column;
}

.toolbar {
    flex-shrink: 0;
}

/* -- Container -- */
.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 24px 20px;
}

/* -- Login -- */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}

.login-card {
    background: var(--bg-card);
    border-radius: 12px;
    padding: 48px 40px;
    width: 100%;
    max-width: 360px;
    box-shadow: var(--shadow);
    text-align: center;
}

.login-card h1 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.login-subtitle {
    color: var(--text-muted);
    margin-bottom: 24px;
    font-size: 0.9rem;
}

.login-input {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    font-size: 1rem;
    margin-bottom: 16px;
    text-align: center;
    letter-spacing: 1px;
    transition: border-color 0.2s;
}

.login-input:focus {
    outline: none;
    border-color: var(--accent);
}

/* -- Header -- */
.header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.header-left {
    display: flex;
    align-items: baseline;
    gap: 12px;
    min-width: 0;
}

.header h1 {
    font-size: 1.4rem;
    font-weight: 700;
}

.file-count {
    color: var(--text-muted);
    font-size: 0.85rem;
    white-space: nowrap;
}

.header-right {
    display: flex;
    gap: 8px;
    flex-shrink: 0;
}

/* -- Buttons -- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border: none;
    border-radius: var(--radius);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s;
    text-decoration: none;
    white-space: nowrap;
    color: var(--text);
}

.btn-primary {
    background: var(--accent);
    color: #fff;
}
.btn-primary:hover { background: var(--accent-hover); }

.btn-secondary {
    background: var(--border);
    color: var(--text);
}
.btn-secondary:hover { background: #d4d4d4; }

.btn-ghost {
    background: transparent;
    color: var(--text-muted);
}
.btn-ghost:hover { color: var(--text); background: var(--border); }

.btn-danger {
    background: transparent;
    color: var(--red);
    border: 1px solid var(--red);
}
.btn-danger:hover { background: var(--red-bg); }

.btn-sm { padding: 6px 12px; font-size: 0.8rem; }
.btn-lg { padding: 12px 24px; font-size: 0.95rem; }
.btn-full { width: 100%; justify-content: center; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* -- Cards -- */
.card {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow);
    margin-bottom: 16px;
}

.card h2 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.card-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}

/* -- Alerts -- */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius);
    font-size: 0.875rem;
    margin-bottom: 16px;
}

.alert-error { background: var(--red-bg); color: var(--red); }
.alert-warn { background: var(--yellow-bg); color: var(--yellow); }
.alert-warn a { color: var(--accent); }

/* -- Action bar -- */
.action-bar {
    margin-bottom: 16px;
}

/* -- Progress -- */
.progress-section {
    background: #eff6ff;
    border-radius: var(--radius);
    padding: 16px 20px;
    margin-bottom: 16px;
}

.progress-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
    font-size: 0.875rem;
}

.progress-filename {
    color: var(--text-muted);
    max-width: 300px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.progress-bar {
    background: var(--border);
    border-radius: 100px;
    height: 8px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--accent);
    border-radius: 100px;
    transition: width 0.5s ease;
}

/* -- Bulk bar -- */
.bulk-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 0 16px;
    background: var(--bg-card);
    border-radius: var(--radius);
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    margin-bottom: 0;
    flex-wrap: wrap;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height 0.2s ease, opacity 0.2s ease, padding 0.2s ease, margin 0.2s ease;
}

.bulk-bar.visible {
    max-height: 80px;
    opacity: 1;
    padding: 10px 16px;
    margin-bottom: 12px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    user-select: none;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--accent);
    cursor: pointer;
}

.bulk-actions {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

/* -- File list -- */
.file-list {
    background: var(--bg-card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    flex: 1;
    overflow-y: auto;
    min-height: 0;
}

.file-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 12px;
    border-bottom: 1px solid #f0f0f0;
    transition: background 0.1s;
}

.file-row:last-child { border-bottom: none; }
.file-row:hover { background: #fafafa; }
.file-pending { opacity: 0.5; }
.file-row.selected { background: #eff6ff; }

.file-check {
    flex-shrink: 0;
    width: 18px;
    height: 18px;
    accent-color: var(--accent);
    cursor: pointer;
}

/* -- File preview -- */
.file-preview {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    border-radius: 5px;
    background: #f0f0f0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.file-preview > img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 6px;
    cursor: pointer;
}

/* Large hover preview */
.file-preview .hover-preview {
    display: none;
    position: fixed;
    z-index: 1000;
    border-radius: 8px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.25);
    background: white;
    padding: 4px;
    pointer-events: none;
}

.file-preview .hover-preview img {
    max-width: 400px;
    max-height: 400px;
    width: auto;
    height: auto;
    object-fit: contain;
    border-radius: 6px;
    display: block;
}

.preview-icon {
    width: 20px;
    height: 20px;
    color: var(--text-muted);
}

.preview-icon svg {
    width: 100%;
    height: 100%;
}

.preview-video { color: #7c3aed; }
.preview-audio { color: #ea580c; }
.preview-photo { color: #16a34a; }
.preview-doc { color: #6b7280; }

.file-info {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.file-name {
    font-weight: 600;
    font-size: 0.875rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.file-meta {
    font-size: 0.78rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 8px;
}

.file-date {
    color: var(--text-muted);
    white-space: nowrap;
}

.file-actions {
    display: flex;
    gap: 6px;
    flex-shrink: 0;
}

/* -- Sort bar -- */
.sort-bar {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    flex-shrink: 0;
}

.sort-label {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-right: 2px;
}

.sort-btn {
    background: none;
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 3px 10px;
    font-size: 0.75rem;
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.15s;
}

.sort-btn:hover { color: var(--text); border-color: #ccc; }
.sort-btn.active { color: var(--accent); border-color: var(--accent); font-weight: 600; }

/* -- Badges -- */
.badge, .badge-ok, .badge-warn, .badge-pending {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 100px;
    font-size: 0.72rem;
    font-weight: 600;
}

.badge-ok { background: var(--green-bg); color: var(--green); }
.badge-warn { background: var(--yellow-bg); color: var(--yellow); }
.badge-pending { background: #f0f0f0; color: var(--text-muted); }

/* -- Forms -- */
.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 6px;
}

.input {
    width: 100%;
    padding: 10px 14px;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    font-size: 0.9rem;
    transition: border-color 0.15s;
}

.input:focus { outline: none; border-color: var(--accent); }
.input-sm { width: 140px; }

.inline-form { display: flex; gap: 10px; align-items: center; }

/* -- Status messages -- */
.status-msg {
    padding: 10px 14px;
    border-radius: var(--radius);
    font-size: 0.875rem;
    margin-top: 12px;
}

.status-msg.ok { background: var(--green-bg); color: var(--green); }
.status-msg.error { background: var(--red-bg); color: var(--red); }
.status-msg.loading { background: var(--yellow-bg); color: var(--yellow); }

/* -- Info rows -- */
.info-row {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid #f0f0f0;
    font-size: 0.875rem;
}
.info-row:last-child { border-bottom: none; }

/* -- Empty state -- */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
}

/* -- Utilities -- */
.text-muted { color: var(--text-muted); }
.mt-16 { margin-top: 16px; }

/* -- Delete animation -- */
.file-row.removing {
    opacity: 0;
    transform: translateX(20px);
    transition: all 0.3s ease;
}

/* -- Media Player Modal -- */
.player-overlay {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 2000;
    background: rgba(0, 0, 0, 0.85);
    align-items: center;
    justify-content: center;
}

.player-overlay.active {
    display: flex;
}

.player-modal {
    background: #1a1a1a;
    border-radius: 12px;
    width: 90vw;
    max-width: 900px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.player-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: #222;
}

.player-title {
    color: #fff;
    font-size: 0.9rem;
    font-weight: 600;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    min-width: 0;
}

.player-close {
    background: none;
    border: none;
    color: #999;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0 4px;
    line-height: 1;
    flex-shrink: 0;
}

.player-close:hover { color: #fff; }

.player-body {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
}

.player-video {
    width: 100%;
    max-height: 80vh;
    display: block;
    outline: none;
}

.player-audio {
    width: 100%;
    padding: 40px 20px;
    outline: none;
}

.player-controls-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 8px 16px;
    background: #222;
}

.player-skip {
    background: #333;
    border: none;
    color: #ccc;
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 0.8rem;
    cursor: pointer;
}

.player-skip:hover { background: #444; color: #fff; }

.player-time {
    color: #aaa;
    font-size: 0.8rem;
    font-variant-numeric: tabular-nums;
    min-width: 100px;
    text-align: center;
}

.player-speed {
    background: #333;
    border: 1px solid #444;
    color: #ccc;
    padding: 3px 6px;
    border-radius: 4px;
    font-size: 0.8rem;
    cursor: pointer;
}

/* -- Mobile -- */
@media (max-width: 640px) {
    .container { padding: 16px 12px; }

    .header {
        flex-direction: column;
        align-items: flex-start;
    }

    .header-right {
        width: 100%;
        flex-wrap: wrap;
    }

    .header-right .btn { flex: 1; justify-content: center; }

    .file-row {
        flex-wrap: wrap;
        gap: 8px;
    }

    .file-actions {
        width: 100%;
        justify-content: flex-end;
    }
}