/* ===== Variables ===== */
:root {
    --bg-dark: #121218;
    --bg-card: #1a1a22;
    --bg-hover: #252530;
    --border: #2a2a35;
    --text: #e4e4e7;
    --text-muted: #71717a;
    --accent: #8b5cf6;
    --accent-hover: #7c3aed;
    --success: #22c55e;
    --error: #ef4444;
    --radius: 8px;
    --sidebar-width: 280px;
}

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

body {
    font-family: 'Inter', -apple-system, sans-serif;
    background: var(--bg-dark);
    color: var(--text);
    line-height: 1.5;
}

/* ===== Layout ===== */
.app {
    display: flex;
    min-height: 100vh;
}

/* ===== Sidebar ===== */
.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-card);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
}

.sidebar-header {
    padding: 16px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 12px;
}

.sidebar-header h1 {
    font-size: 1.1rem;
    font-weight: 600;
    flex: 1;
}

.header-actions {
    display: flex;
    gap: 4px;
}

.btn-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.15s;
}

.btn-icon:hover {
    background: var(--bg-hover);
    border-color: var(--accent);
}

/* ===== Categories ===== */
.categories {
    flex: 1;
    overflow-y: auto;
    padding: 12px;
}

.category-group {
    margin-bottom: 4px;
}

.category-header {
    display: flex;
    align-items: center;
    padding: 10px 12px;
    border-radius: var(--radius);
    cursor: pointer;
    transition: background 0.15s;
    gap: 8px;
}

.category-header:hover {
    background: var(--bg-hover);
}

.category-header.active {
    background: var(--accent);
}

.category-header .icon {
    font-size: 16px;
    width: 20px;
    text-align: center;
}

.category-header .name {
    flex: 1;
    font-size: 14px;
    font-weight: 500;
}

.category-header .count {
    font-size: 12px;
    color: var(--text-muted);
    background: var(--bg-dark);
    padding: 2px 6px;
    border-radius: 10px;
}

.category-header.active .count {
    background: rgba(255, 255, 255, 0.2);
    color: white;
}

.category-header .actions {
    display: flex;
    gap: 2px;
}

.category-header .action-btn {
    width: 22px;
    height: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 11px;
    opacity: 0.6;
    transition: all 0.15s;
}

.category-header:hover .action-btn {
    opacity: 1;
}

.category-header .action-btn:hover {
    background: rgba(255, 255, 255, 0.1);
}

.category-header .action-btn.delete:hover {
    background: var(--error);
}

/* Subcategories */
.subcategories {
    margin-left: 20px;
    border-left: 1px solid var(--border);
    padding-left: 8px;
}

.subcategory {
    display: flex;
    align-items: center;
    padding: 8px 10px;
    border-radius: var(--radius);
    cursor: pointer;
    transition: background 0.15s;
    gap: 8px;
    font-size: 13px;
}

.subcategory:hover {
    background: var(--bg-hover);
}

.subcategory.active {
    background: var(--accent);
}

.subcategory .name {
    flex: 1;
}

.subcategory .count {
    font-size: 11px;
    color: var(--text-muted);
}

.subcategory.active .count {
    color: white;
}

.subcategory .actions {
    display: flex;
    gap: 2px;
}

.subcategory .action-btn {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 10px;
    opacity: 0;
    transition: all 0.15s;
}

.subcategory:hover .action-btn {
    opacity: 1;
}

.subcategory .action-btn:hover {
    background: rgba(255, 255, 255, 0.1);
}

.subcategory .action-btn.delete:hover {
    background: var(--error);
}

.add-subcategory {
    display: flex;
    align-items: center;
    padding: 6px 10px;
    font-size: 12px;
    color: var(--text-muted);
    cursor: pointer;
    border-radius: var(--radius);
    transition: all 0.15s;
}

.add-subcategory:hover {
    color: var(--accent);
    background: var(--bg-hover);
}

/* Add category button */
.btn-add-category {
    margin: 12px;
    padding: 10px;
    background: transparent;
    border: 1px dashed var(--border);
    border-radius: var(--radius);
    color: var(--text-muted);
    font-size: 13px;
    cursor: pointer;
    transition: all 0.15s;
}

.btn-add-category:hover {
    border-color: var(--accent);
    color: var(--accent);
}

/* ===== Main Content ===== */
.main {
    flex: 1;
    margin-left: var(--sidebar-width);
    display: flex;
    flex-direction: column;
}

.toolbar {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 24px;
    border-bottom: 1px solid var(--border);
    background: var(--bg-card);
}

.search-box {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: var(--bg-dark);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    flex: 1;
    max-width: 400px;
}

.search-box span {
    opacity: 0.5;
}

.search-box input {
    flex: 1;
    background: none;
    border: none;
    outline: none;
    color: var(--text);
    font-size: 14px;
}

.btn-primary {
    padding: 8px 16px;
    background: var(--accent);
    border: none;
    border-radius: var(--radius);
    color: white;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.15s;
}

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

.btn-secondary {
    padding: 8px 16px;
    background: var(--bg-hover);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-size: 14px;
    cursor: pointer;
    transition: all 0.15s;
}

.btn-secondary:hover {
    border-color: var(--accent);
}

/* ===== Content ===== */
.content {
    flex: 1;
    padding: 24px;
    overflow-y: auto;
}

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

.empty-state .icon {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.5;
}

.empty-state h3 {
    font-size: 16px;
    margin-bottom: 8px;
    color: var(--text);
}

/* ===== Command Cards ===== */
.commands-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
    gap: 16px;
}

.command-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
    transition: border-color 0.15s;
}

.command-card:hover {
    border-color: var(--accent);
}

.command-card .header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 12px;
}

.command-card .title {
    font-size: 15px;
    font-weight: 500;
}

.command-card .badge {
    font-size: 11px;
    padding: 3px 8px;
    background: var(--bg-hover);
    border-radius: 12px;
    color: var(--text-muted);
}

.command-card .command {
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
    background: var(--bg-dark);
    padding: 12px;
    border-radius: 6px;
    color: var(--accent);
    margin-bottom: 8px;
    word-break: break-all;
}

.command-card .description {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.command-card .footer {
    display: flex;
    gap: 8px;
}

.command-card .footer button {
    flex: 1;
    padding: 6px;
    background: var(--bg-hover);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-muted);
    font-size: 12px;
    cursor: pointer;
    transition: all 0.15s;
}

.command-card .footer button:hover {
    border-color: var(--accent);
    color: var(--text);
}

.command-card .footer button.delete:hover {
    border-color: var(--error);
    color: var(--error);
}

/* ===== Modal ===== */
.modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s;
    z-index: 1000;
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    width: 100%;
    max-width: 480px;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-content.modal-sm {
    max-width: 360px;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
}

.modal-header h3 {
    font-size: 16px;
    font-weight: 600;
}

.btn-close {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 20px;
    cursor: pointer;
    border-radius: 4px;
}

.btn-close:hover {
    background: var(--bg-hover);
    color: var(--text);
}

/* ===== Form ===== */
form {
    padding: 20px;
}

.form-row {
    margin-bottom: 16px;
}

.form-row label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 6px;
    color: var(--text-muted);
}

.form-row input,
.form-row textarea,
.form-row select {
    width: 100%;
    padding: 10px 12px;
    background: var(--bg-dark);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
    font-size: 14px;
    font-family: inherit;
}

.form-row textarea {
    min-height: 80px;
    resize: vertical;
    font-family: 'JetBrains Mono', monospace;
}

.form-row input:focus,
.form-row textarea:focus,
.form-row select:focus {
    outline: none;
    border-color: var(--accent);
}

.form-actions {
    display: flex;
    gap: 8px;
    justify-content: flex-end;
    margin-top: 20px;
}

/* Icon grid */
.icon-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 8px;
}

.icon-btn {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-dark);
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 18px;
    cursor: pointer;
    transition: all 0.15s;
}

.icon-btn:hover {
    border-color: var(--accent);
}

.icon-btn.selected {
    border-color: var(--accent);
    background: var(--accent);
}

/* ===== Toast ===== */
.toast {
    position: fixed;
    bottom: 20px;
    right: 20px;
    padding: 12px 20px;
    background: var(--bg-card);
    border: 1px solid var(--success);
    border-radius: var(--radius);
    font-size: 14px;
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.3s;
    z-index: 2000;
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

.toast.error {
    border-color: var(--error);
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent);
}