/* === Reset & Base === */
* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --bg: #0f1117;
    --bg-card: #1a1b23;
    --bg-card-hover: #1f2029;
    --border: #2a2b35;
    --text: #e4e4e7;
    --text-muted: #71717a;
    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --green: #22c55e;
    --yellow: #eab308;
    --red: #ef4444;
    --orange: #f59e0b;
    --purple: #a855f7;
}

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

/* === Sidebar === */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: 220px;
    height: 100vh;
    background: var(--bg-card);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    z-index: 300;
    transition: transform 0.2s;
}
.sidebar-header {
    padding: 20px 16px;
    border-bottom: 1px solid var(--border);
}
.sidebar-logo {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--accent);
}
.sidebar-subtitle {
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-top: 2px;
}
.sidebar-nav {
    flex: 1;
    padding: 12px 8px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.sidebar-footer {
    padding: 12px 8px;
    border-top: 1px solid var(--border);
}
.sidebar-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border-radius: 8px;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.15s;
}
.sidebar-item:hover { background: var(--bg-card-hover); color: var(--text); }
.sidebar-item.active { background: var(--accent); color: #fff; }
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 250;
}

/* === Main Content === */
.main-content {
    margin-left: 220px;
    min-height: 100vh;
    padding-bottom: 40px;
}

/* === Top Bar === */
.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 20px;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}
.topbar-right {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
    justify-content: flex-end;
}
.sidebar-toggle { display: none; }

@media (max-width: 768px) {
    .sidebar { transform: translateX(-100%); }
    .sidebar.open { transform: translateX(0); }
    .sidebar-overlay.open { display: block; }
    .main-content { margin-left: 0; }
    .sidebar-toggle { display: flex; }
}

/* === Buttons === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: none;
    cursor: pointer;
    font-family: inherit;
    transition: all 0.15s;
    gap: 6px;
}
.btn-icon {
    background: transparent;
    color: var(--text-muted);
    padding: 8px;
    border-radius: 8px;
    font-size: 1.2rem;
    text-decoration: none;
}
.btn-icon:hover { background: var(--border); color: var(--text); }
.btn-primary {
    background: var(--accent);
    color: #fff;
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 600;
}
.btn-primary:hover { background: var(--accent-hover); }
.btn-small {
    background: var(--border);
    color: var(--text);
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 0.8rem;
}
.btn-small:hover { background: var(--text-muted); color: #fff; }
.btn-danger {
    background: transparent;
    color: var(--red);
    padding: 6px 10px;
    border-radius: 6px;
    font-size: 0.8rem;
}
.btn-danger:hover { background: rgba(239, 68, 68, 0.15); }
.btn-success {
    background: var(--green);
    color: #fff;
    padding: 10px 24px;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 700;
}
.btn-success:hover { background: #16a34a; }
.btn-outline {
    background: transparent;
    color: var(--text);
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 0.875rem;
    border: 1px solid var(--border);
}
.btn-outline:hover { background: var(--border); }

/* === Search Bar === */
.search-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 6px 12px;
    max-width: 280px;
    flex: 1;
}
.search-bar svg { color: var(--text-muted); flex-shrink: 0; }
.search-bar input {
    border: none;
    background: transparent;
    color: var(--text);
    font-size: 0.85rem;
    outline: none;
    width: 100%;
    font-family: inherit;
}
.search-bar input::placeholder { color: var(--text-muted); }

/* === Package Manager Toggle === */
.pm-toggle {
    display: flex;
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
}
.pm-btn {
    padding: 6px 14px;
    background: var(--bg);
    color: var(--text-muted);
    border: none;
    font-size: 0.8rem;
    cursor: pointer;
    font-family: inherit;
    transition: all 0.15s;
}
.pm-btn.active {
    background: var(--accent);
    color: #fff;
}
.pm-btn:hover:not(.active) {
    background: var(--border);
    color: var(--text);
}

/* === OS Toggle === */
.os-toggle {
    display: flex;
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
}
.os-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    background: var(--bg);
    color: var(--text-muted);
    border: none;
    font-size: 0.8rem;
    cursor: pointer;
    font-family: inherit;
    transition: all 0.15s;
}
.os-btn.active {
    background: var(--accent);
    color: #fff;
}
.os-btn:hover:not(.active) {
    background: var(--border);
    color: var(--text);
}
.os-btn svg { width: 14px; height: 14px; }

/* === Preset Chips === */
.presets-bar {
    display: flex;
    gap: 8px;
    padding: 12px 20px;
    overflow-x: auto;
    flex-wrap: wrap;
}
.preset-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    color: var(--text-muted);
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.15s;
    white-space: nowrap;
}
.preset-chip:hover {
    border-color: var(--accent);
    color: var(--text);
}
.preset-chip.active {
    background: rgba(59, 130, 246, 0.15);
    border-color: var(--accent);
    color: var(--accent);
}
.preset-chip .chip-icon { font-size: 1rem; }

/* === Category Section === */
.category-section {
    margin: 0 20px 24px;
}
.category-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border);
}
.category-title {
    display: flex;
    align-items: center;
    gap: 8px;
}
.category-title h2 {
    font-size: 1rem;
    font-weight: 700;
    color: #fff;
}
.category-title .cat-icon {
    font-size: 1.2rem;
}
.category-count {
    font-size: 0.75rem;
    color: var(--text-muted);
    background: var(--bg);
    padding: 2px 8px;
    border-radius: 10px;
}
.select-all-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-muted);
    font-size: 0.75rem;
    cursor: pointer;
    transition: all 0.15s;
    font-family: inherit;
}
.select-all-btn:hover {
    border-color: var(--accent);
    color: var(--text);
}
.select-all-btn.selected {
    background: rgba(59, 130, 246, 0.15);
    border-color: var(--accent);
    color: var(--accent);
}

/* === Programs Grid === */
.programs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 12px;
}

/* === Program Card === */
.program-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 14px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
    cursor: pointer;
    transition: all 0.15s;
    user-select: none;
    min-height: 72px;
}
.program-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--text-muted);
}
.program-card.selected {
    border-color: var(--accent);
    background: rgba(59, 130, 246, 0.08);
}
.program-card .card-checkbox {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all 0.15s;
}
.program-card.selected .card-checkbox {
    background: var(--accent);
    border-color: var(--accent);
}
.program-card.selected .card-checkbox svg { display: block; }
.program-card .card-checkbox svg { display: none; color: #fff; }
.program-icon {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    object-fit: contain;
    background: var(--bg);
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    padding: 4px;
}
.program-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}
.program-info {
    flex: 1;
    min-width: 0;
}
.program-name {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.program-desc {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.program-badges {
    display: flex;
    gap: 3px;
    flex-wrap: nowrap;
    margin-top: 4px;
}
.badge {
    font-size: 0.55rem;
    font-weight: 700;
    padding: 1px 5px;
    border-radius: 3px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
}
.badge-winget { background: rgba(59, 130, 246, 0.15); color: var(--accent); }
.badge-choco { background: rgba(168, 85, 247, 0.15); color: var(--purple); }
.badge-apt { background: rgba(34, 197, 94, 0.15); color: var(--green); }
.badge-snap { background: rgba(245, 158, 11, 0.15); color: var(--orange); }
.badge-flatpak { background: rgba(59, 130, 246, 0.15); color: #60a5fa; }

/* === Tweak Card === */
.tweak-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 14px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
    cursor: pointer;
    transition: all 0.15s;
    user-select: none;
}
.tweak-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--text-muted);
}
.tweak-card.selected {
    border-color: var(--accent);
    background: rgba(59, 130, 246, 0.08);
}
.tweak-card .card-checkbox {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-top: 2px;
    transition: all 0.15s;
}
.tweak-card.selected .card-checkbox {
    background: var(--accent);
    border-color: var(--accent);
}
.tweak-card.selected .card-checkbox svg { display: block; }
.tweak-card .card-checkbox svg { display: none; color: #fff; }
.tweak-info { flex: 1; min-width: 0; }
.tweak-name {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text);
}
.tweak-desc {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 4px;
    line-height: 1.4;
}
.risk-badge {
    font-size: 0.6rem;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 10px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    flex-shrink: 0;
}
.risk-low { background: rgba(34, 197, 94, 0.15); color: var(--green); }
.risk-medium { background: rgba(234, 179, 8, 0.15); color: var(--yellow); }
.risk-high { background: rgba(239, 68, 68, 0.15); color: var(--red); }

/* === Floating Bar === */
.floating-bar {
    position: fixed;
    bottom: 0;
    left: 220px;
    right: 0;
    background: var(--bg-card);
    border-top: 1px solid var(--border);
    padding: 12px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    z-index: 150;
    transform: translateY(100%);
    transition: transform 0.25s ease;
    box-shadow: 0 -4px 20px rgba(0,0,0,0.3);
}
.floating-bar.visible {
    transform: translateY(0);
}
.floating-bar .selection-info {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.9rem;
}
.floating-bar .selection-count {
    font-weight: 700;
    color: var(--accent);
    font-size: 1.1rem;
}
.floating-bar .clear-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 0.8rem;
    padding: 4px 8px;
    border-radius: 4px;
    font-family: inherit;
}
.floating-bar .clear-btn:hover { color: var(--red); }

@media (max-width: 768px) {
    .floating-bar { left: 0; }
}

/* === Modal === */
.modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 500;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s;
}
.modal.open {
    opacity: 1;
    visibility: visible;
}
.modal-content {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 24px;
    width: 100%;
    max-width: 700px;
    max-height: 85vh;
    overflow-y: auto;
    margin: 16px;
}
.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}
.modal-header h2 {
    font-size: 1.1rem;
    color: #fff;
}
.modal-close {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px;
    border-radius: 6px;
    transition: all 0.15s;
}
.modal-close:hover { background: var(--border); color: var(--text); }

/* === Script Output === */
.script-output {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 16px;
    font-family: 'Cascadia Code', 'Fira Code', 'Consolas', monospace;
    font-size: 0.8rem;
    color: var(--text);
    white-space: pre-wrap;
    word-break: break-all;
    max-height: 400px;
    overflow-y: auto;
    line-height: 1.5;
}
.script-actions {
    display: flex;
    gap: 8px;
    margin-top: 16px;
    flex-wrap: wrap;
}

/* === Form Styles === */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-bottom: 12px;
}
.form-group label {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 500;
}
.form-group input,
.form-group select,
.form-group textarea {
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--bg);
    color: var(--text);
    font-size: 0.875rem;
    outline: none;
    font-family: inherit;
    transition: border-color 0.15s;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--accent);
}
.form-group textarea {
    min-height: 100px;
    resize: vertical;
    font-family: 'Cascadia Code', 'Fira Code', 'Consolas', monospace;
    font-size: 0.8rem;
}
.form-row {
    display: flex;
    gap: 12px;
}
.form-row .form-group { flex: 1; }

/* === Toggle Switch === */
.toggle-switch {
    position: relative;
    display: inline-block;
    width: 36px;
    height: 20px;
}
.toggle-switch input { opacity: 0; width: 0; height: 0; }
.toggle-slider {
    position: absolute;
    cursor: pointer;
    inset: 0;
    background: var(--border);
    border-radius: 20px;
    transition: 0.2s;
}
.toggle-slider::before {
    content: "";
    position: absolute;
    height: 14px;
    width: 14px;
    left: 3px;
    bottom: 3px;
    background: white;
    border-radius: 50%;
    transition: 0.2s;
}
.toggle-switch input:checked + .toggle-slider { background: var(--green); }
.toggle-switch input:checked + .toggle-slider::before { transform: translateX(16px); }

/* === Admin Tabs === */
.admin-tabs {
    display: flex;
    gap: 4px;
    padding: 0 20px;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border);
    overflow-x: auto;
}
.admin-tab {
    padding: 10px 16px;
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 0.85rem;
    cursor: pointer;
    font-family: inherit;
    border-bottom: 2px solid transparent;
    transition: all 0.15s;
    white-space: nowrap;
}
.admin-tab:hover { color: var(--text); }
.admin-tab.active {
    color: var(--accent);
    border-bottom-color: var(--accent);
}
.admin-panel {
    display: none;
    padding: 0 20px;
}
.admin-panel.active { display: block; }

/* === Admin List === */
.admin-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.admin-list-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    transition: background 0.15s;
}
.admin-list-item:hover { background: var(--bg-card-hover); }
.admin-list-item .item-info { flex: 1; min-width: 0; }
.admin-list-item .item-name {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text);
}
.admin-list-item .item-detail {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 2px;
}
.admin-list-item .item-actions {
    display: flex;
    gap: 4px;
}
.admin-section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}
.admin-section-header h2 {
    font-size: 1rem;
    font-weight: 700;
    color: #fff;
}

/* === Empty State === */
.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-muted);
    font-size: 0.9rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
}
.empty-state .empty-icon {
    font-size: 2rem;
    margin-bottom: 12px;
    opacity: 0.5;
}

/* === Loading === */
.loading {
    text-align: center;
    padding: 40px;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* === Toast === */
.toast {
    position: fixed;
    bottom: 80px;
    right: 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 12px 20px;
    border-radius: 10px;
    font-size: 0.85rem;
    z-index: 600;
    transform: translateY(20px);
    opacity: 0;
    transition: all 0.3s;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}
.toast.show {
    transform: translateY(0);
    opacity: 1;
}
.toast.success { border-color: var(--green); color: var(--green); }
.toast.error { border-color: var(--red); color: var(--red); }

/* === Page Content Padding === */
.page-content {
    padding-bottom: 80px;
}

/* === Responsive === */
@media (max-width: 600px) {
    .topbar { padding: 10px 16px; }
    .category-section { margin: 0 12px 20px; }
    .programs-grid { grid-template-columns: 1fr; }
    .presets-bar { padding: 12px; }
    .modal-content { padding: 20px 16px; margin: 8px; }
    .admin-tabs { padding: 0 12px; }
    .admin-panel { padding: 0 12px; }
    .search-bar { max-width: none; }
    .form-row { flex-direction: column; gap: 0; }
}

@media (min-width: 1400px) {
    .category-section { max-width: 1200px; margin-left: auto; margin-right: auto; }
    .presets-bar { max-width: 1200px; margin-left: auto; margin-right: auto; }
    .tools-container { max-width: 1200px; margin-left: auto; margin-right: auto; }
}

/* === Tools Page === */
.tools-container {
    padding: 0 20px;
}
.tools-section {
    margin-bottom: 32px;
}
.tools-section-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 14px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border);
}
.tools-section-header h2 {
    font-size: 1rem;
    font-weight: 700;
    color: #fff;
}
.tools-section-header .section-icon {
    font-size: 1.2rem;
}
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 12px;
}
.tool-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 16px;
    display: flex;
    align-items: center;
    gap: 14px;
    text-decoration: none;
    color: var(--text);
    transition: all 0.15s;
}
.tool-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--accent);
    transform: translateY(-1px);
}
.tool-card-icon {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    background: var(--bg);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 1.3rem;
}
.tool-card-icon img {
    width: 28px;
    height: 28px;
    object-fit: contain;
}
.tool-card-info {
    flex: 1;
    min-width: 0;
}
.tool-card-name {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text);
}
.tool-card-desc {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 2px;
}
.tool-card-arrow {
    color: var(--text-muted);
    flex-shrink: 0;
    transition: color 0.15s;
}
.tool-card:hover .tool-card-arrow {
    color: var(--accent);
}

@media (max-width: 600px) {
    .tools-container { padding: 0 12px; }
    .tools-grid { grid-template-columns: 1fr; }
}