/* ===========================
   CSS Button Generator Styles
   =========================== */

.cbg-wrap {
    --cbg-bg:       #0f1117;
    --cbg-surface:  #1a1d27;
    --cbg-border:   #2a2d3e;
    --cbg-accent:   #6c63ff;
    --cbg-accent2:  #ff6584;
    --cbg-text:     #e2e8f0;
    --cbg-muted:    #8892a4;
    --cbg-radius:   12px;
    --cbg-font:     'Segoe UI', system-ui, sans-serif;

    font-family: var(--cbg-font);
    color: var(--cbg-text);
    background: var(--cbg-bg);
    border-radius: var(--cbg-radius);
    padding: 28px;
    box-sizing: border-box;
    max-width: 1100px;
    margin: 0 auto;
}

.cbg-wrap *, .cbg-wrap *::before, .cbg-wrap *::after {
    box-sizing: border-box;
}

/* Header */
.cbg-header {
    text-align: center;
    margin-bottom: 32px;
}
.cbg-header h2 {
    font-size: 1.8rem;
    font-weight: 700;
    margin: 0 0 6px;
    background: linear-gradient(135deg, var(--cbg-accent), var(--cbg-accent2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.cbg-header p {
    color: var(--cbg-muted);
    font-size: 0.9rem;
    margin: 0;
}

/* Layout */
.cbg-layout {
    display: grid;
    grid-template-columns: 340px 1fr;
    gap: 24px;
    align-items: start;
}

@media (max-width: 860px) {
    .cbg-layout { grid-template-columns: 1fr; }
}

/* Sidebar panels */
.cbg-panels { display: flex; flex-direction: column; gap: 10px; }

.cbg-panel {
    background: var(--cbg-surface);
    border: 1px solid var(--cbg-border);
    border-radius: var(--cbg-radius);
    overflow: hidden;
}

.cbg-panel-head {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    cursor: pointer;
    user-select: none;
    background: transparent;
    border: none;
    color: var(--cbg-text);
    font-size: 0.85rem;
    font-weight: 600;
    width: 100%;
    text-align: left;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}
.cbg-panel-head:hover { background: rgba(108,99,255,.07); }

.cbg-panel-icon {
    width: 28px; height: 28px;
    background: linear-gradient(135deg, var(--cbg-accent), var(--cbg-accent2));
    border-radius: 7px;
    display: flex; align-items: center; justify-content: center;
    font-size: 13px;
    flex-shrink: 0;
}

.cbg-panel-arrow {
    margin-left: auto;
    font-size: 10px;
    color: var(--cbg-muted);
    transition: transform 0.2s;
}
.cbg-panel.open .cbg-panel-arrow { transform: rotate(180deg); }

.cbg-panel-body {
    display: none;
    padding: 14px 16px 16px;
    border-top: 1px solid var(--cbg-border);
}
.cbg-panel.open .cbg-panel-body { display: block; }

/* Form rows */
.cbg-row {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}
.cbg-row:last-child { margin-bottom: 0; }

.cbg-label {
    font-size: 0.78rem;
    color: var(--cbg-muted);
    min-width: 80px;
    flex-shrink: 0;
}

.cbg-input, .cbg-select {
    flex: 1;
    background: var(--cbg-bg);
    border: 1px solid var(--cbg-border);
    border-radius: 8px;
    color: var(--cbg-text);
    font-size: 0.82rem;
    padding: 6px 10px;
    outline: none;
    transition: border-color 0.2s;
    width: 100%;
}
.cbg-input:focus, .cbg-select:focus { border-color: var(--cbg-accent); }

.cbg-range {
    flex: 1;
    accent-color: var(--cbg-accent);
    cursor: pointer;
}

.cbg-range-val {
    font-size: 0.78rem;
    color: var(--cbg-accent);
    min-width: 34px;
    text-align: right;
    font-variant-numeric: tabular-nums;
}

.cbg-color {
    width: 38px; height: 30px;
    border: 1px solid var(--cbg-border);
    border-radius: 6px;
    cursor: pointer;
    padding: 2px;
    background: var(--cbg-bg);
    flex-shrink: 0;
}

/* Checkbox group */
.cbg-checks { display: flex; gap: 14px; flex-wrap: wrap; }
.cbg-check {
    display: flex; align-items: center; gap: 6px;
    font-size: 0.82rem; cursor: pointer; color: var(--cbg-text);
}
.cbg-check input { accent-color: var(--cbg-accent); }

/* Tabs */
.cbg-tabs { display: flex; gap: 4px; margin-bottom: 12px; flex-wrap: wrap; }
.cbg-tab {
    padding: 4px 12px; font-size: 0.78rem; border-radius: 20px;
    background: var(--cbg-bg); border: 1px solid var(--cbg-border);
    color: var(--cbg-muted); cursor: pointer; transition: all 0.15s;
}
.cbg-tab.active {
    background: var(--cbg-accent); border-color: var(--cbg-accent);
    color: #fff;
}

/* Radio group */
.cbg-radio-group { display: flex; gap: 8px; flex-wrap: wrap; }
.cbg-radio {
    padding: 4px 12px; font-size: 0.78rem;
    background: var(--cbg-bg); border: 1px solid var(--cbg-border);
    border-radius: 8px; color: var(--cbg-muted); cursor: pointer;
    transition: all 0.15s;
}
.cbg-radio.active { border-color: var(--cbg-accent); color: var(--cbg-accent); }

/* Font selector */
.cbg-fonts { display: flex; flex-direction: column; gap: 4px; max-height: 200px; overflow-y: auto; padding-right: 4px; }
.cbg-fonts::-webkit-scrollbar { width: 4px; }
.cbg-fonts::-webkit-scrollbar-thumb { background: var(--cbg-border); border-radius: 2px; }

.cbg-font-opt {
    padding: 6px 10px; border-radius: 8px; cursor: pointer;
    border: 1px solid transparent; font-size: 0.9rem; color: var(--cbg-text);
    transition: all 0.1s;
}
.cbg-font-opt:hover { background: rgba(108,99,255,.1); }
.cbg-font-opt.active { border-color: var(--cbg-accent); background: rgba(108,99,255,.1); }

/* Right side */
.cbg-right { display: flex; flex-direction: column; gap: 20px; }

/* Preview */
.cbg-preview-box {
    background: var(--cbg-surface);
    border: 1px solid var(--cbg-border);
    border-radius: var(--cbg-radius);
    overflow: hidden;
}

.cbg-preview-top {
    padding: 12px 16px;
    border-bottom: 1px solid var(--cbg-border);
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--cbg-muted);
    display: flex; align-items: center; gap: 8px;
}
.cbg-preview-top span { color: var(--cbg-accent); }

.cbg-preview-stage {
    min-height: 200px;
    display: flex; align-items: center; justify-content: center;
    padding: 40px 20px;
    background-image: radial-gradient(var(--cbg-border) 1px, transparent 1px);
    background-size: 20px 20px;
    position: relative;
}

.cbg-preview-bg-controls {
    padding: 10px 16px;
    border-top: 1px solid var(--cbg-border);
    display: flex; align-items: center; gap: 14px;
    font-size: 0.78rem; color: var(--cbg-muted);
}
.cbg-preview-bg-controls label { display: flex; align-items: center; gap: 6px; cursor: pointer; }

#cbg-preview-btn {
    cursor: pointer;
    /* will be set by JS */
}

/* Code output */
.cbg-code-box {
    background: var(--cbg-surface);
    border: 1px solid var(--cbg-border);
    border-radius: var(--cbg-radius);
    overflow: hidden;
}

.cbg-code-tabs {
    display: flex; border-bottom: 1px solid var(--cbg-border);
}
.cbg-code-tab {
    padding: 10px 20px; font-size: 0.8rem; font-weight: 600; cursor: pointer;
    color: var(--cbg-muted); border-bottom: 2px solid transparent;
    transition: all 0.15s; margin-bottom: -1px;
}
.cbg-code-tab.active { color: var(--cbg-accent); border-bottom-color: var(--cbg-accent); }

.cbg-code-pane { display: none; padding: 16px; }
.cbg-code-pane.active { display: block; }

.cbg-code-area {
    width: 100%;
    background: var(--cbg-bg);
    border: 1px solid var(--cbg-border);
    border-radius: 8px;
    color: #a5f3fc;
    font-family: 'Consolas', 'Fira Code', monospace;
    font-size: 0.78rem;
    line-height: 1.6;
    padding: 12px;
    resize: vertical;
    min-height: 120px;
    outline: none;
    transition: border-color 0.2s;
}
.cbg-code-area:focus { border-color: var(--cbg-accent); }

.cbg-copy-btn {
    margin-top: 8px;
    background: var(--cbg-accent);
    color: #fff;
    border: none;
    border-radius: 8px;
    padding: 7px 18px;
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.15s;
}
.cbg-copy-btn:hover { opacity: 0.85; }
.cbg-copy-btn.copied { background: #22c55e; }

/* Divider */
.cbg-divider { height: 1px; background: var(--cbg-border); margin: 10px 0; }

/* State hint */
.cbg-state-hint {
    font-size: 0.75rem; color: var(--cbg-muted);
    padding: 6px 10px; background: rgba(108,99,255,.06);
    border-radius: 8px; margin-top: 8px;
    display: flex; align-items: center; gap: 6px;
}