/* ============================================================
   CSS Gradient Generator — Tool-specific styles
   ============================================================ */

.cgg-section {
    --tool-accent: #6366F1;
    --tool-accent-rgb: 99, 102, 241;
    /* Fix --tool-text-secondary so tool-base classes render correctly */
    --tool-text-secondary: var(--text-secondary, #334155);
}

/* ============================================================
   PRESET GRADIENTS (collapsible panel)
   ============================================================ */
.cgg-presets-panel {
    border-bottom: 1px solid var(--tool-border);
}

.cgg-presets-toggle {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    width: 100%;
    padding: 0.8rem 1.5rem;
    background: #F8FAFC;
    border: none;
    cursor: pointer;
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-align: left;
    transition: background 0.15s;
}

.cgg-presets-toggle:hover {
    background: #F1F5F9;
}

.cgg-presets-caret {
    margin-left: auto;
    transition: transform 0.2s;
    font-size: 0.875rem;
    color: var(--tool-text-muted);
}

.cgg-presets-toggle[aria-expanded="true"] .cgg-presets-caret {
    transform: rotate(180deg);
}

.cgg-presets-body {
    padding: 1rem 1.5rem 1.25rem;
    background: #FAFBFF;
    border-top: 1px solid var(--tool-border);
}

.cgg-presets-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(96px, 1fr));
    gap: 0.5rem;
}

.cgg-preset-btn {
    height: 54px;
    border-radius: var(--tool-radius-sm);
    border: 2px solid transparent;
    cursor: pointer;
    padding: 0;
    position: relative;
    overflow: hidden;
    transition: transform 0.15s, border-color 0.15s, box-shadow 0.15s;
}

.cgg-preset-btn:hover {
    border-color: var(--tool-accent);
    transform: translateY(-2px);
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.18);
}

.cgg-preset-label {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    font-size: 0.625rem;
    font-weight: 700;
    text-align: center;
    padding: 3px 4px;
    background: rgba(0, 0, 0, 0.42);
    color: #fff;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    letter-spacing: 0.02em;
}

/* ============================================================
   ROW 1 — 2-column grid (Controls | Preview)
   ============================================================ */
.cgg-row1 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: 420px;
}

.cgg-controls {
    padding: 1.5rem;
    border-right: 1px solid var(--tool-border);
    overflow-y: auto;
}

.cgg-preview-col {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

/* ============================================================
   TYPE ROW (tabs + randomize)
   ============================================================ */
.cgg-type-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.25rem;
}

.cgg-type-bar {
    display: flex;
    gap: 0.25rem;
    background: var(--tool-surface);
    border: 1px solid var(--tool-border);
    border-radius: var(--tool-radius-md);
    padding: 0.25rem;
    width: fit-content;
}

.cgg-type-btn {
    padding: 0.35rem 1.1rem;
    border: none;
    border-radius: var(--tool-radius-sm);
    background: transparent;
    color: var(--tool-text-muted);
    font-size: 0.9375rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s ease;
}

.cgg-type-btn--active {
    background: var(--tool-accent);
    color: #fff;
}

.cgg-rand-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
}

/* ============================================================
   GROUPS + LABELS
   ============================================================ */
.cgg-group {
    margin-bottom: 1.25rem;
}

.cgg-group-label {
    display: block;
    font-size: 0.8125rem;
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.65rem;
}

.cgg-group-label--spaced {
    margin-top: 0.875rem;
}

.cgg-sub-label {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    min-width: 24px;
    font-weight: 500;
}

/* ============================================================
   DIRECTION PRESETS
   ============================================================ */
.cgg-dir-presets {
    display: flex;
    gap: 0.35rem;
    flex-wrap: wrap;
    margin-bottom: 0.75rem;
}

.cgg-dir-btn {
    width: 36px;
    height: 36px;
    border: 1px solid var(--tool-border);
    border-radius: var(--tool-radius-sm);
    background: var(--tool-surface);
    color: var(--tool-text-muted);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s;
    font-size: 0.9375rem;
}

.cgg-dir-btn--active,
.cgg-dir-btn:hover {
    background: var(--tool-accent);
    border-color: var(--tool-accent);
    color: #fff;
}

/* ============================================================
   ANGLE / POSITION ROW
   ============================================================ */
.cgg-angle-row {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.cgg-angle-row--spaced {
    margin-top: 0.5rem;
}

.cgg-angle-val {
    font-size: 0.9375rem;
    font-family: var(--tool-font-mono);
    color: var(--tool-accent);
    font-weight: 600;
    min-width: 40px;
    text-align: right;
}

/* ============================================================
   RADIAL SELECTS
   ============================================================ */
.cgg-radial-selects {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

/* ============================================================
   COLOR STOPS
   ============================================================ */
.cgg-stops-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.65rem;
}

.cgg-stops-header .cgg-group-label {
    margin-bottom: 0;
}

.cgg-stops-list {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.cgg-stop-row {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: nowrap;
}

/* Native color picker swatch */
.cgg-stop-swatch {
    width: 32px;
    height: 32px;
    border-radius: var(--tool-radius-sm);
    border: 2px solid var(--tool-border);
    cursor: pointer;
    padding: 0;
    flex-shrink: 0;
    background: none;
}

/* Hex text input */
.cgg-stop-hex {
    width: 80px;
    flex-shrink: 0;
    padding: 5px 6px;
    font-size: 0.8125rem;
    font-family: var(--tool-font-mono);
    font-weight: 500;
    color: var(--text-primary);
    background: #fff;
    border: 1px solid var(--tool-border);
    border-radius: var(--tool-radius-sm);
    outline: none;
    transition: border-color 0.15s;
}

.cgg-stop-hex:focus {
    border-color: var(--tool-accent);
    box-shadow: 0 0 0 2px rgba(var(--tool-accent-rgb), 0.12);
}

/* Alpha + position range sliders */
.cgg-stop-alpha,
.cgg-stop-pos {
    flex: 1;
    min-width: 40px;
}

/* Value labels (α%, pos%) */
.cgg-stop-alpha-val,
.cgg-stop-pos-val {
    font-size: 0.8125rem;
    font-family: var(--tool-font-mono);
    color: var(--tool-text-muted);
    min-width: 30px;
    text-align: right;
    flex-shrink: 0;
}

/* Range divider pip */
.cgg-stop-sep {
    width: 1px;
    height: 20px;
    background: var(--tool-border);
    flex-shrink: 0;
}

.cgg-stop-del {
    width: 28px;
    height: 28px;
    border: none;
    background: transparent;
    color: var(--tool-text-muted);
    cursor: pointer;
    border-radius: var(--tool-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9375rem;
    transition: color 0.15s, background 0.15s;
    flex-shrink: 0;
}

.cgg-stop-del:hover:not(:disabled) {
    color: #ef4444;
    background: rgba(239, 68, 68, 0.08);
}

.cgg-stop-del:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

/* ============================================================
   TOGGLES ROW (Repeating + Vendor Prefix)
   ============================================================ */
.cgg-toggles-row {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.cgg-toggle-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Button-based toggle (data-on driven) */
button.tool-toggle {
    position: relative;
    width: 36px;
    height: 20px;
    background: rgba(100, 116, 139, 0.25);
    border: none;
    border-radius: 20px;
    cursor: pointer;
    padding: 0;
    flex-shrink: 0;
    transition: background 0.2s;
}

button.tool-toggle[data-on="true"] {
    background: var(--tool-accent);
}

button.tool-toggle .tool-toggle-thumb {
    position: absolute;
    top: 2px;
    left: 2px;
    width: 16px;
    height: 16px;
    background: #fff;
    border-radius: 50%;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.22);
    transition: left 0.2s;
    pointer-events: none;
}

button.tool-toggle[data-on="true"] .tool-toggle-thumb {
    left: 18px;
}

/* ============================================================
   PREVIEW PANEL (right column)
   ============================================================ */
.cgg-shape-bar {
    display: flex;
    gap: 0.25rem;
    background: var(--tool-surface);
    border: 1px solid var(--tool-border);
    border-radius: var(--tool-radius-md);
    padding: 0.25rem;
    width: fit-content;
    flex-shrink: 0;
}

.cgg-shape-btn {
    padding: 0.3rem 0.9rem;
    border: none;
    border-radius: var(--tool-radius-sm);
    background: transparent;
    color: var(--tool-text-muted);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s;
}

.cgg-shape-btn--active {
    background: var(--tool-accent);
    color: #fff;
}

.cgg-preview-wrap {
    flex: 1;
    display: flex;
    align-items: stretch;
    min-height: 300px;
}

.cgg-preview {
    width: 100%;
    border-radius: var(--tool-radius-md);
    border: 1px solid var(--tool-border);
    background: linear-gradient(135deg, #6366F1, #8B5CF6);
    transition: background 0.2s, border-radius 0.2s, width 0.2s, height 0.2s;
}

/* Preview shape variants */
.cgg-preview--pill {
    border-radius: 100px;
    min-height: 72px;
    max-height: 72px;
    width: min(280px, 100%);
    align-self: center;
}

.cgg-preview--circle {
    border-radius: 50%;
    width: min(260px, 100%);
    max-height: 260px;
    align-self: center;
    aspect-ratio: 1;
}

/* ============================================================
   ROW 2 — CSS OUTPUT (full width)
   ============================================================ */
.cgg-row2 {
    border-top: 1px solid var(--tool-border);
}

.cgg-output-ta {
    display: block;
    width: 100%;
    min-height: 84px;
    max-height: 200px;
    padding: 0.875rem 1.25rem;
    font-family: var(--tool-font-mono);
    font-size: 0.9375rem;
    line-height: 1.65;
    color: var(--text-secondary);
    background: #FAFAFA;
    border: none;
    outline: none;
    resize: vertical;
    border-radius: 0 0 16px 16px;
    tab-size: 2;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 820px) {
    .cgg-row1 {
        grid-template-columns: 1fr;
    }

    .cgg-controls {
        border-right: none;
        border-bottom: 1px solid var(--tool-border);
    }

    .cgg-preview-col {
        min-height: 280px;
    }

    .cgg-presets-grid {
        grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    }

    .cgg-stop-hex {
        width: 70px;
    }
}