/* ==========================================================================
   Color Picker Pro – Scoped Styles (prefixed .cpp-tool)
   ========================================================================== */
:root {
    --cpp-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --cpp-radius: 10px;
    --cpp-shadow: 0 4px 12px rgba(0,0,0,0.05);
    --cpp-transition: 0.2s ease;
    --cpp-color-primary: #2563eb;
    --cpp-color-primary-hover: #1d4ed8;
    --cpp-bg: #ffffff;
    --cpp-card-bg: #f8fafc;
    --cpp-border: #e2e8f0;
    --cpp-text: #0f172a;
    --cpp-text-muted: #64748b;
}

/* Main wrapper */
.cpp-tool {
    font-family: var(--cpp-font);
    color: var(--cpp-text);
    max-width: 1000px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
    box-sizing: border-box;
}

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

/* Section spacing */
.cpp-section {
    margin-bottom: 2.5rem;
}

/* Typography */
.cpp-title {
    font-size: 2.2rem;
    font-weight: 700;
    margin: 0 0 0.5rem;
}
.cpp-subtitle {
    font-size: 1.1rem;
    color: var(--cpp-text-muted);
    line-height: 1.6;
    max-width: 700px;
}
.cpp-section-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0 0 1rem;
    padding-bottom: 0.25rem;
    border-bottom: 2px solid var(--cpp-border);
}

/* Cards */
.cpp-card {
    background: var(--cpp-card-bg);
    border: 1px solid var(--cpp-border);
    border-radius: var(--cpp-radius);
    padding: 1.25rem;
    box-shadow: var(--cpp-shadow);
}

/* Grid layouts */
.cpp-color-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}
@media (max-width: 700px) {
    .cpp-color-grid {
        grid-template-columns: 1fr;
    }
}

.cpp-contrast-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1rem;
}
@media (max-width: 700px) {
    .cpp-contrast-grid {
        grid-template-columns: 1fr;
    }
}

/* Picker & preview */
.cpp-preview {
    width: 100%;
    height: 120px;
    border-radius: var(--cpp-radius);
    margin-bottom: 1rem;
    border: 1px solid var(--cpp-border);
    transition: background-color 0.15s;
}
.cpp-picker-controls {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

/* Input styling */
.cpp-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: var(--cpp-text);
}
.cpp-input {
    width: 100%;
    padding: 0.6rem 0.75rem;
    border: 1px solid var(--cpp-border);
    border-radius: 6px;
    font-size: 0.95rem;
    background: #fff;
    transition: border-color var(--cpp-transition);
}
.cpp-input:focus {
    outline: none;
    border-color: var(--cpp-color-primary);
    box-shadow: 0 0 0 3px rgba(37,99,235,0.2);
}
.cpp-color-input {
    padding: 0.3rem;
    height: 44px;
    cursor: pointer;
}
.cpp-text-input {
    font-family: monospace;
}

/* Buttons */
.cpp-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.55rem 1.1rem;
    border-radius: 6px;
    font-size: 0.9rem;
    font-weight: 500;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--cpp-transition);
    white-space: nowrap;
    background: transparent;
}
.cpp-btn-primary {
    background: var(--cpp-color-primary);
    color: #fff;
}
.cpp-btn-primary:hover {
    background: var(--cpp-color-primary-hover);
}
.cpp-btn-secondary {
    background: #f1f5f9;
    color: var(--cpp-text);
    border-color: var(--cpp-border);
}
.cpp-btn-secondary:hover {
    background: #e2e8f0;
}
.cpp-btn-outline {
    border: 1px solid var(--cpp-border);
    color: var(--cpp-text);
}
.cpp-btn-outline:hover {
    background: #f8fafc;
}
.cpp-btn:focus-visible {
    outline: 2px solid var(--cpp-color-primary);
    outline-offset: 2px;
}

.cpp-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

/* Input groups */
.cpp-input-group {
    margin-bottom: 1rem;
}

.cpp-output-formats {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.5rem;
    flex-wrap: wrap;
}

/* Palette */
.cpp-palette-options {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}
.cpp-palette-container {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 1rem;
}
.cpp-swatch {
    width: 80px;
    height: 80px;
    border-radius: var(--cpp-radius);
    display: flex;
    align-items: flex-end;
    justify-content: center;
    cursor: pointer;
    position: relative;
    border: 1px solid var(--cpp-border);
    transition: transform var(--cpp-transition), box-shadow var(--cpp-transition);
    overflow: hidden;
}
.cpp-swatch:hover,
.cpp-swatch:focus-visible {
    transform: scale(1.05);
    box-shadow: 0 8px 20px rgba(0,0,0,0.1);
    outline: none;
}
.cpp-swatch-label {
    background: rgba(0,0,0,0.6);
    color: #fff;
    font-size: 0.7rem;
    padding: 0.15rem 0.4rem;
    border-radius: 4px 4px 0 0;
    width: 100%;
    text-align: center;
    backdrop-filter: blur(2px);
}
.cpp-palette-actions {
    display: flex;
    gap: 0.5rem;
}

/* Contrast checker */
.cpp-contrast-preview {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}
.cpp-preview-text {
    padding: 1rem;
    border-radius: var(--cpp-radius);
    font-size: 1rem;
    font-weight: 500;
    transition: background-color 0.2s, color 0.2s;
}
.cpp-contrast-results p {
    margin: 0.4rem 0;
    font-size: 0.95rem;
}
.cpp-status {
    font-weight: 600;
}

/* CSS output */
.cpp-css-output {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}
.cpp-css-field {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}
.cpp-css-field code {
    background: #fff;
    padding: 0.3rem 0.6rem;
    border-radius: 4px;
    border: 1px solid var(--cpp-border);
    font-size: 0.9rem;
}

/* Lists */
.cpp-list {
    padding-left: 1.2rem;
}
.cpp-list li {
    margin-bottom: 0.5rem;
}

/* FAQ */
.cpp-faq-item {
    margin-bottom: 1.5rem;
}
.cpp-faq-question {
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0 0 0.3rem;
}
.cpp-faq-answer {
    color: var(--cpp-text-muted);
    line-height: 1.5;
}

/* Mobile fine-tuning */
@media (max-width: 480px) {
    .cpp-tool {
        padding: 1.5rem 1rem;
    }
    .cpp-title {
        font-size: 1.7rem;
    }
}