/* style.css — Gradient Generator Pro
   Prefix: ggp-    Scoped under .ggp-tool
   Version: 1.0.0
*/
:root {
    --ggp-bg: #0F1117;
    --ggp-surface: #1A1C24;
    --ggp-surface-hover: #24262F;
    --ggp-border: #2C2F38;
    --ggp-border-hover: #3B82F6;
    --ggp-text: #F1F3F9;
    --ggp-text-secondary: #9CA3AF;
    --ggp-primary: #3B82F6;
    --ggp-primary-hover: #5A9CFF;
    --ggp-primary-text: #FFFFFF;
    --ggp-secondary-bg: rgba(59,130,246,0.12);
    --ggp-secondary-hover: rgba(59,130,246,0.22);
    --ggp-selected-bg: rgba(59,130,246,0.18);
    --ggp-selected-border: #3B82F6;
    --ggp-focus-ring: 0 0 0 2px #5A9CFF;
    --ggp-radius: 10px;
    --ggp-radius-sm: 6px;
    --ggp-transition: 0.2s ease;
}

.ggp-tool {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    color: var(--ggp-text);
    background: var(--ggp-bg);
    padding: 2rem;
    border-radius: 16px;
    max-width: 1200px;
    margin: 0 auto;
    line-height: 1.5;
}

.ggp-tool *,
.ggp-tool *::before,
.ggp-tool *::after {
    box-sizing: border-box;
}

/* Typography */
.ggp-title {
    font-size: clamp(2rem, 5vw, 2.8rem);
    font-weight: 700;
    margin: 0 0 0.5rem;
    color: #FFFFFF;
}
.ggp-subtitle {
    color: var(--ggp-text-secondary);
    font-size: 1.1rem;
    margin: 0 0 2rem;
}
.ggp-section-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 1.8rem 0 1rem;
    color: #E5E7EB;
}

/* Generator layout */
.ggp-generator {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* Type tabs */
.ggp-type-tabs {
    display: flex;
    gap: 0.5rem;
    border-bottom: 1px solid var(--ggp-border);
    padding-bottom: 0.5rem;
}
.ggp-tab {
    background: transparent;
    border: none;
    color: var(--ggp-text-secondary);
    padding: 0.7rem 1.4rem;
    border-radius: var(--ggp-radius-sm);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: background var(--ggp-transition), color var(--ggp-transition);
    border: 1px solid transparent;
}
.ggp-tab:hover:not(:disabled) {
    background: var(--ggp-surface-hover);
    color: #FFFFFF;
}
.ggp-tab.active {
    background: var(--ggp-selected-bg);
    color: #FFFFFF;
    border-color: var(--ggp-selected-border);
}
.ggp-tab:disabled {
    opacity: 0.55;
    cursor: not-allowed;
}

/* Type panels */
.ggp-type-panel {
    display: none;
    gap: 1.2rem;
}
.ggp-type-panel.active {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
}

/* Angle control */
.ggp-angle-control {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.ggp-angle-input-group {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}
.ggp-slider {
    width: 160px;
    accent-color: var(--ggp-primary);
    background: var(--ggp-surface);
    height: 6px;
    border-radius: 3px;
}
.ggp-input {
    background: var(--ggp-surface);
    border: 1px solid var(--ggp-border);
    color: var(--ggp-text);
    padding: 0.45rem 0.7rem;
    border-radius: var(--ggp-radius-sm);
    font-size: 0.9rem;
    width: 70px;
    transition: border-color var(--ggp-transition);
}
.ggp-input:focus {
    outline: none;
    border-color: var(--ggp-primary);
    box-shadow: var(--ggp-focus-ring);
}
.ggp-unit {
    color: var(--ggp-text-secondary);
    font-size: 0.9rem;
}

/* Direction presets */
.ggp-direction-presets {
    margin-left: auto;
}
.ggp-preset-buttons {
    display: flex;
    gap: 0.35rem;
    flex-wrap: wrap;
}
.ggp-dir-btn {
    background: var(--ggp-surface);
    border: 1px solid var(--ggp-border);
    color: var(--ggp-text);
    width: 42px;
    height: 42px;
    border-radius: var(--ggp-radius-sm);
    font-size: 1.3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--ggp-transition);
}
.ggp-dir-btn:hover {
    border-color: var(--ggp-border-hover);
    background: var(--ggp-surface-hover);
}
.ggp-dir-btn[aria-pressed="true"] {
    background: var(--ggp-selected-bg);
    border-color: var(--ggp-selected-border);
    color: #FFFFFF;
}

/* Radial controls */
.ggp-radial-controls {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}
.ggp-control-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}
.ggp-select {
    background: var(--ggp-surface);
    border: 1px solid var(--ggp-border);
    color: var(--ggp-text);
    padding: 0.5rem 1rem;
    border-radius: var(--ggp-radius-sm);
    font-size: 0.95rem;
    cursor: pointer;
}
.ggp-select:focus {
    outline: none;
    border-color: var(--ggp-primary);
    box-shadow: var(--ggp-focus-ring);
}

/* Color stops */
.ggp-stops-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.ggp-stops-list {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    margin-top: 0.8rem;
}
.ggp-stop-item {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    background: var(--ggp-surface);
    padding: 0.7rem 1rem;
    border-radius: var(--ggp-radius);
    border: 1px solid var(--ggp-border);
    flex-wrap: wrap;
}
.ggp-stop-color {
    width: 36px;
    height: 36px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    background: transparent;
}
.ggp-stop-hex {
    width: 90px;
    font-family: monospace;
}
.ggp-stop-position {
    width: 75px;
}
.ggp-stop-slider {
    flex: 1;
    min-width: 100px;
    accent-color: var(--ggp-primary);
}
.ggp-remove-stop {
    background: transparent;
    border: 1px solid var(--ggp-border);
    color: #EF4444;
    width: 32px;
    height: 32px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 1.2rem;
    transition: all var(--ggp-transition);
}
.ggp-remove-stop:hover {
    background: rgba(239,68,68,0.15);
    border-color: #EF4444;
}

/* Preview */
.ggp-preview-section {
    background: var(--ggp-surface);
    padding: 1.5rem;
    border-radius: var(--ggp-radius);
    border: 1px solid var(--ggp-border);
}
.ggp-preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.8rem;
}
.ggp-preview-modes {
    display: flex;
    gap: 0.4rem;
}
.ggp-mode-btn {
    background: var(--ggp-surface);
    border: 1px solid var(--ggp-border);
    color: var(--ggp-text-secondary);
    padding: 0.45rem 1rem;
    border-radius: var(--ggp-radius-sm);
    cursor: pointer;
    font-size: 0.9rem;
    transition: all var(--ggp-transition);
}
.ggp-mode-btn:hover {
    background: var(--ggp-surface-hover);
    color: #FFFFFF;
}
.ggp-mode-btn.active {
    background: var(--ggp-selected-bg);
    border-color: var(--ggp-selected-border);
    color: #FFFFFF;
}
.ggp-preview {
    margin-top: 1rem;
    border-radius: var(--ggp-radius);
    min-height: 240px;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}
.ggp-preview-bg {
    position: absolute;
    inset: 0;
    background: var(--ggp-current-gradient, linear-gradient(90deg, #3B82F6, #8B5CF6));
}
.ggp-preview-button,
.ggp-preview-card,
.ggp-preview-text {
    display: none;
}
.ggp-preview[data-active-mode="button"] .ggp-preview-bg { display: none; }
.ggp-preview[data-active-mode="button"] .ggp-preview-button {
    display: inline-block;
    background: var(--ggp-current-gradient);
    color: white;
    padding: 1rem 2.5rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1.1rem;
}
.ggp-preview[data-active-mode="card"] .ggp-preview-bg { display: none; }
.ggp-preview[data-active-mode="card"] .ggp-preview-card {
    display: block;
    background: var(--ggp-current-gradient);
    color: white;
    padding: 2rem;
    border-radius: 12px;
    width: 260px;
    text-align: center;
}
.ggp-preview[data-active-mode="text"] .ggp-preview-bg { display: none; }
.ggp-preview[data-active-mode="text"] .ggp-preview-text {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--ggp-current-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.ggp-preview-actions {
    margin-top: 1rem;
    display: flex;
    gap: 0.7rem;
}

/* Buttons */
.ggp-button {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.65rem 1.3rem;
    border-radius: var(--ggp-radius-sm);
    font-weight: 500;
    font-size: 0.95rem;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--ggp-transition);
    text-decoration: none;
}
.ggp-button-primary {
    background: var(--ggp-primary);
    color: var(--ggp-primary-text);
    border-color: var(--ggp-primary);
}
.ggp-button-primary:hover {
    background: var(--ggp-primary-hover);
    border-color: var(--ggp-primary-hover);
}
.ggp-button-secondary {
    background: var(--ggp-secondary-bg);
    color: var(--ggp-text);
    border-color: var(--ggp-border);
}
.ggp-button-secondary:hover {
    background: var(--ggp-secondary-hover);
    border-color: var(--ggp-border-hover);
}
.ggp-button:focus-visible {
    outline: none;
    box-shadow: var(--ggp-focus-ring);
}

/* CSS Output */
.ggp-code-block {
    background: #0A0C11;
    border-radius: var(--ggp-radius);
    padding: 1.2rem;
    border: 1px solid var(--ggp-border);
}
.ggp-code {
    color: #E5E7EB;
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-size: 0.9rem;
    white-space: pre-wrap;
    word-break: break-word;
    margin-bottom: 1rem;
    min-height: 3rem;
}
.ggp-output-actions {
    display: flex;
    gap: 0.7rem;
    flex-wrap: wrap;
}
.ggp-feedback {
    display: inline-block;
    margin-top: 0.6rem;
    font-size: 0.85rem;
    color: var(--ggp-primary);
}

/* Statistics */
.ggp-stats-list {
    list-style: none;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 0.7rem;
    margin: 0.5rem 0 0;
}
.ggp-stat-label {
    font-weight: 500;
    color: var(--ggp-text-secondary);
    margin-right: 0.3rem;
}

/* Presets */
.ggp-presets-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}
.ggp-preset-card {
    height: 100px;
    border-radius: var(--ggp-radius);
    cursor: pointer;
    border: 2px solid transparent;
    transition: border-color var(--ggp-transition), transform var(--ggp-transition);
    position: relative;
    overflow: hidden;
}
.ggp-preset-card:hover {
    border-color: var(--ggp-primary-hover);
    transform: scale(1.03);
}
.ggp-preset-card:focus-visible {
    outline: none;
    border-color: var(--ggp-primary);
    box-shadow: var(--ggp-focus-ring);
}
.ggp-preset-name {
    position: absolute;
    bottom: 8px;
    left: 8px;
    background: rgba(0,0,0,0.65);
    color: white;
    font-size: 0.75rem;
    padding: 0.2em 0.6em;
    border-radius: 4px;
    backdrop-filter: blur(4px);
}

/* Info / FAQ */
.ggp-info {
    margin-top: 3rem;
    color: var(--ggp-text-secondary);
}
.ggp-faq {
    margin-top: 2rem;
}
.ggp-faq-item {
    margin-bottom: 1.5rem;
}
.ggp-faq-item h3 {
    font-size: 1.1rem;
    color: #E5E7EB;
    margin: 0 0 0.4rem;
}

/* Utility */
.ggp-label {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--ggp-text-secondary);
    margin-bottom: 0.3rem;
    display: block;
}

/* Responsive */
@media (max-width: 768px) {
    .ggp-tool {
        padding: 1.2rem;
    }
    .ggp-direction-presets {
        margin-left: 0;
        margin-top: 1rem;
    }
    .ggp-preview-header {
        flex-direction: column;
        align-items: flex-start;
    }
}