:root {
    --bg-primary: #0f0f17;
    --bg-secondary: #161624;
    --bg-surface: #1e1e30;
    --bg-surface-2: #262640;
    --bg-hover: #2d2d4a;
    --text-primary: #e2e4f0;
    --text-secondary: #a0a3bd;
    --text-muted: #636580;
    --accent: #6c5ce7;
    --accent-light: #a29bfe;
    --accent-hover: #7c6ff0;
    --green: #00b894;
    --green-light: #55efc4;
    --red: #e17055;
    --yellow: #fdcb6e;
    --blue: #74b9ff;
    --border: #2a2a45;
    --border-light: #3a3a58;
    --radius: 10px;
    --radius-sm: 6px;
    --radius-lg: 16px;
    --shadow: 0 4px 24px rgba(0,0,0,.3);
    --shadow-lg: 0 8px 40px rgba(0,0,0,.5);
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;
    --transition: all .2s cubic-bezier(.4,0,.2,1);
}

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

body {
    font-family: var(--font);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

a { color: var(--accent-light); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--accent); }

/* ── Navbar ────────────────────────────────────────────── */
.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 28px;
    height: 56px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    font-size: 16px;
    letter-spacing: -.3px;
}

.navbar-brand .logo {
    width: 28px;
    height: 28px;
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    color: #fff;
    font-weight: 900;
}

.navbar-links {
    display: flex;
    gap: 4px;
}

.nav-link {
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    transition: var(--transition);
}
.nav-link:hover { color: var(--text-primary); background: var(--bg-surface); }
.nav-link.active { color: var(--accent-light); background: rgba(108,92,231,.12); }

.navbar-actions { display: flex; gap: 8px; align-items: center; }

/* ── Buttons ───────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 9px 18px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font);
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-1px); box-shadow: 0 4px 16px rgba(108,92,231,.3); }
.btn-secondary { background: var(--bg-surface); color: var(--text-primary); border: 1px solid var(--border); }
.btn-secondary:hover { background: var(--bg-hover); border-color: var(--border-light); }
.btn-success { background: var(--green); color: #fff; }
.btn-success:hover { background: #00a885; }
.btn-danger { background: var(--red); color: #fff; }
.btn-danger:hover { opacity: .9; }
.btn-sm { padding: 6px 12px; font-size: 12px; }
.btn-lg { padding: 12px 28px; font-size: 15px; }
.btn-icon { padding: 8px; line-height: 1; }

/* ── Cards ─────────────────────────────────────────────── */
.card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
}
.card:hover { border-color: var(--border-light); box-shadow: var(--shadow); }
.card-body { padding: 20px; }
.card-header { padding: 16px 20px; border-bottom: 1px solid var(--border); font-weight: 700; font-size: 14px; }

/* ── Grid ──────────────────────────────────────────────── */
.container { max-width: 1400px; margin: 0 auto; padding: 24px 28px; }
.grid { display: grid; gap: 20px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.gap-sm { gap: 8px; }
.gap-md { gap: 16px; }
.gap-lg { gap: 24px; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }

/* ── Stats ─────────────────────────────────────────────── */
.stat-card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px 24px;
    display: flex;
    align-items: center;
    gap: 16px;
}
.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
}
.stat-icon.purple { background: rgba(108,92,231,.15); color: var(--accent-light); }
.stat-icon.green { background: rgba(0,184,148,.15); color: var(--green-light); }
.stat-icon.blue { background: rgba(116,185,255,.15); color: var(--blue); }
.stat-icon.yellow { background: rgba(253,203,110,.15); color: var(--yellow); }
.stat-value { font-size: 28px; font-weight: 800; line-height: 1; }
.stat-label { font-size: 12px; color: var(--text-muted); font-weight: 600; text-transform: uppercase; letter-spacing: .5px; }

/* ── Tables ────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th { text-align: left; padding: 10px 16px; font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .8px; color: var(--text-muted); border-bottom: 1px solid var(--border); }
td { padding: 12px 16px; font-size: 13px; border-bottom: 1px solid var(--border); }
tr:hover td { background: rgba(108,92,231,.04); }

.product-thumb { width: 40px; height: 40px; border-radius: 6px; object-fit: cover; background: var(--bg-hover); }
.badge { display: inline-block; padding: 2px 8px; border-radius: 20px; font-size: 11px; font-weight: 600; }
.badge-active { background: rgba(0,184,148,.15); color: var(--green); }
.badge-draft { background: rgba(253,203,110,.15); color: var(--yellow); }

/* ── Upload zone ───────────────────────────────────────── */
.upload-zone {
    border: 2px dashed var(--border);
    border-radius: var(--radius-lg);
    padding: 48px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
}
.upload-zone:hover, .upload-zone.dragover {
    border-color: var(--accent);
    background: rgba(108,92,231,.05);
}
.upload-zone .icon { font-size: 48px; margin-bottom: 12px; opacity: .5; }
.upload-zone p { color: var(--text-secondary); font-size: 14px; }

/* ── Forms / Inputs ────────────────────────────────────── */
.form-group { margin-bottom: 16px; }
.form-label { display: block; font-size: 12px; font-weight: 600; color: var(--text-secondary); margin-bottom: 6px; text-transform: uppercase; letter-spacing: .5px; }
.form-input, .form-textarea {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 14px;
    font-family: var(--font);
    transition: var(--transition);
}
.form-input:focus, .form-textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(108,92,231,.15); }
.form-textarea { min-height: 100px; resize: vertical; }

/* ── Toast ─────────────────────────────────────────────── */
.toast-container { position: fixed; top: 64px; right: 20px; z-index: 900; display: flex; flex-direction: column; gap: 8px; }
.toast {
    padding: 12px 20px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 600;
    animation: slideIn .25s ease;
    box-shadow: var(--shadow-lg);
    max-width: 400px;
}
.toast-success { background: var(--green); color: #fff; }
.toast-error { background: var(--red); color: #fff; }
.toast-info { background: var(--accent); color: #fff; }
@keyframes slideIn { from { transform: translateX(120%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }

/* ── Loading ───────────────────────────────────────────── */
.spinner { width: 20px; height: 20px; border: 2px solid var(--border); border-top-color: var(--accent); border-radius: 50%; animation: spin .6s linear infinite; display: inline-block; }
@keyframes spin { to { transform: rotate(360deg); } }
.spinner-lg { width: 40px; height: 40px; border-width: 3px; }

.loading-overlay {
    position: fixed; inset: 0; background: rgba(0,0,0,.6);
    display: none; align-items: center; justify-content: center;
    z-index: 999; flex-direction: column; gap: 14px;
}
.loading-overlay.active { display: flex; }

/* ── Theme Cards ───────────────────────────────────────── */
.theme-card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}
.theme-card:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}
.theme-card .name { font-weight: 700; font-size: 14px; margin-top: 8px; }
.theme-card .meta { font-size: 12px; color: var(--text-muted); margin-top: 4px; }

/* ── Import ────────────────────────────────────────────── */
.import-input-wrap {
    display: flex;
    gap: 10px;
    max-width: 700px;
}
.import-input-wrap .form-input { flex: 1; }

.import-result {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    margin-top: 20px;
}
.import-result .title { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.import-result .meta { font-size: 13px; color: var(--text-secondary); }

/* ── Section titles ────────────────────────────────────── */
.section-title {
    font-size: 20px;
    font-weight: 800;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.section-title .count {
    background: var(--bg-hover);
    padding: 2px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
}

/* ── Empty state ───────────────────────────────────────── */
.empty-state {
    text-align: center;
    padding: 48px 20px;
    color: var(--text-muted);
}
.empty-state .icon { font-size: 48px; margin-bottom: 12px; opacity: .4; }
.empty-state p { font-size: 14px; max-width: 400px; margin: 0 auto; }

/* ── Editor layout ─────────────────────────────────────── */
.editor-layout { display: flex; height: calc(100vh - 56px); overflow: hidden; }

.editor-sidebar {
    width: 260px;
    min-width: 200px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
}
.sidebar-header {
    padding: 12px 16px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .8px;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.file-tree { flex: 1; overflow-y: auto; padding: 4px 0; }
.file-tree::-webkit-scrollbar { width: 5px; }
.file-tree::-webkit-scrollbar-thumb { background: var(--bg-hover); border-radius: 3px; }

.tree-folder-header {
    display: flex; align-items: center; gap: 4px;
    padding: 4px 12px; font-size: 13px; font-weight: 600;
    color: var(--text-secondary); cursor: pointer; user-select: none;
}
.tree-folder-header:hover { background: var(--bg-surface); }
.tree-folder-header .arrow { font-size: 10px; transition: transform .15s; width: 14px; text-align: center; }
.tree-folder.collapsed .arrow { transform: rotate(-90deg); }
.tree-folder.collapsed .tree-folder-children { display: none; }

.tree-file {
    display: flex; align-items: center; gap: 6px;
    padding: 3px 12px 3px 30px; font-size: 12.5px;
    cursor: pointer; color: var(--text-secondary);
    border-left: 2px solid transparent;
}
.tree-file:hover { background: var(--bg-surface); color: var(--text-primary); }
.tree-file.active { background: rgba(108,92,231,.1); color: var(--accent-light); border-left-color: var(--accent); }

.editor-main { flex: 1; display: flex; flex-direction: column; min-width: 0; }

.editor-tabs {
    display: flex; background: var(--bg-secondary);
    border-bottom: 1px solid var(--border); height: 38px;
    overflow-x: auto; flex-shrink: 0;
}
.editor-tabs::-webkit-scrollbar { height: 0; }

.editor-tab {
    display: flex; align-items: center; gap: 8px;
    padding: 0 16px; height: 100%; font-size: 12.5px;
    color: var(--text-muted); cursor: pointer;
    border-right: 1px solid var(--border); white-space: nowrap;
    position: relative;
}
.editor-tab:hover { color: var(--text-primary); background: var(--bg-surface); }
.editor-tab.active { color: var(--text-primary); background: var(--bg-primary); }
.editor-tab.active::after { content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 2px; background: var(--accent); }
.tab-close { font-size: 14px; opacity: .4; cursor: pointer; }
.tab-close:hover { opacity: 1; }
.tab-modified { color: var(--yellow); }

.editor-toolbar {
    display: flex; align-items: center; justify-content: space-between;
    padding: 6px 12px; background: var(--bg-primary);
    border-bottom: 1px solid var(--border); flex-shrink: 0;
}
.path-display { font-size: 12px; color: var(--text-muted); font-family: var(--mono); }

#editor-container { flex: 1; min-height: 0; }
.no-file-msg { flex: 1; display: flex; align-items: center; justify-content: center; color: var(--text-muted); font-size: 14px; }

.resize-handle { width: 4px; cursor: col-resize; background: var(--border); transition: var(--transition); flex-shrink: 0; }
.resize-handle:hover { background: var(--accent); }

.preview-panel {
    width: 45%; min-width: 300px;
    display: flex; flex-direction: column;
}
.preview-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 12px; height: 38px; background: var(--bg-secondary);
    border-bottom: 1px solid var(--border); flex-shrink: 0;
}
.preview-nav { display: flex; gap: 3px; }
.preview-nav-btn {
    padding: 4px 10px; font-size: 11px; border-radius: 4px;
    background: var(--bg-surface); color: var(--text-secondary);
    border: none; cursor: pointer; font-family: var(--font); transition: var(--transition);
}
.preview-nav-btn:hover, .preview-nav-btn.active { background: var(--accent); color: #fff; }

.preview-url-bar {
    flex: 1; margin: 0 10px; padding: 4px 10px;
    background: var(--bg-surface); border: 1px solid var(--border);
    border-radius: 4px; color: var(--text-secondary);
    font-size: 12px; font-family: var(--mono);
}

#preview-frame { flex: 1; border: none; background: #fff; }

/* ── Responsive ────────────────────────────────────────── */
@media (max-width: 900px) {
    .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .editor-sidebar { width: 200px; }
    .preview-panel { width: 40%; }
}
@media (max-width: 600px) {
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
    .container { padding: 16px; }
    .navbar { padding: 0 16px; }
    .navbar-links { display: none; }
}

::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--bg-hover); border-radius: 4px; }