/* =============================================================================
   Crochet Poop Generator - Stylesheet
   A clean, organized CSS file for the poop generator application
   ============================================================================= */

/* -----------------------------------------------------------------------------
   CSS Custom Properties (Variables)
   ----------------------------------------------------------------------------- */
:root {
    /* Color palette - amber/orange theme */
    --color-amber-50: #fffbeb;
    --color-amber-100: #fef3c7;
    --color-amber-200: #fde68a;
    --color-amber-300: #fcd34d;
    --color-amber-500: #f59e0b;
    --color-amber-600: #d97706;
    --color-amber-700: #b45309;
    --color-amber-800: #92400e;
    --color-amber-900: #78350f;
    
    --color-orange-50: #fff7ed;
    --color-orange-500: #f97316;
    
    --color-yellow-100: #fef9c3;
    
    --color-red-500: #ef4444;
    
    /* Body color swatches */
    --swatch-chocolate: #92400e;
    --swatch-vanilla: #fef3c7;
    --swatch-blue: #3b82f6;
    
    /* Spacing */
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-5: 1.25rem;
    --spacing-6: 1.5rem;
    
    /* Border radius */
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
    --radius-2xl: 1rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    /* Transitions */
    --transition-all: all 0.2s ease;
}

/* -----------------------------------------------------------------------------
   Reset & Base Styles
   ----------------------------------------------------------------------------- */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 
                 Oxygen, Ubuntu, Cantarell, sans-serif;
    min-height: 100vh;
    /* Gradient background matching the React version */
    background: linear-gradient(to bottom right, 
        var(--color-amber-100), 
        var(--color-orange-50), 
        var(--color-yellow-100));
    padding: var(--spacing-4);
    line-height: 1.5;
}

/* -----------------------------------------------------------------------------
   Layout
   ----------------------------------------------------------------------------- */
.container {
    max-width: 64rem;
    margin: 0 auto;
}

.main-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-4);
}

/* Responsive: side-by-side layout on larger screens */
@media (min-width: 1024px) {
    .main-grid {
        grid-template-columns: 1fr 1fr;
    }
}

/* -----------------------------------------------------------------------------
   Header
   ----------------------------------------------------------------------------- */
.header {
    text-align: center;
    margin-bottom: var(--spacing-6);
}

.header h1 {
    font-size: 1.875rem;
    font-weight: bold;
    color: var(--color-amber-900);
    margin-bottom: var(--spacing-1);
}

.tagline {
    color: var(--color-amber-700);
    font-size: 0.875rem;
}

/* -----------------------------------------------------------------------------
   Panels (shared styles for controls and preview)
   ----------------------------------------------------------------------------- */
.panel {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(8px);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
    padding: var(--spacing-5);
}

.panel-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-amber-800);
    border-bottom: 1px solid var(--color-amber-200);
    padding-bottom: var(--spacing-2);
    margin-bottom: var(--spacing-3);
}

/* -----------------------------------------------------------------------------
   Controls Panel
   ----------------------------------------------------------------------------- */
.controls-panel {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
}

.control-group {
    border: none;
}

.control-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-amber-900);
    margin-bottom: var(--spacing-2);
}

/* Color options (body color selection) */
.color-options {
    display: flex;
    gap: var(--spacing-2);
}

.color-option {
    flex: 1;
    padding: var(--spacing-2) var(--spacing-3);
    border-radius: var(--radius-lg);
    font-size: 0.875rem;
    font-weight: 500;
    text-align: center;
    cursor: pointer;
    transition: var(--transition-all);
    opacity: 0.7;
}

.color-option:hover {
    opacity: 1;
}

.color-option.selected {
    opacity: 1;
    transform: scale(1.05);
    box-shadow: 0 0 0 2px var(--color-amber-500), 0 0 0 4px white;
}

.color-option input {
    /* Visually hidden but accessible */
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Specific color swatches */
.color-option.chocolate {
    background-color: var(--swatch-chocolate);
    color: white;
}

.color-option.vanilla {
    background-color: var(--swatch-vanilla);
    color: var(--color-amber-900);
    border: 1px solid var(--color-amber-300);
}

.color-option.blue {
    background-color: var(--swatch-blue);
    color: white;
}

/* Sliders */
.slider {
    width: 100%;
    height: 0.5rem;
    background: var(--color-amber-200);
    border-radius: var(--radius-lg);
    appearance: none;
    cursor: pointer;
}

.slider::-webkit-slider-thumb {
    appearance: none;
    width: 1.25rem;
    height: 1.25rem;
    background: var(--color-amber-600);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: var(--transition-all);
}

.slider::-webkit-slider-thumb:hover {
    transform: scale(1.1);
    background: var(--color-amber-700);
}

.slider::-moz-range-thumb {
    width: 1.25rem;
    height: 1.25rem;
    background: var(--color-amber-600);
    border-radius: var(--radius-full);
    border: none;
    cursor: pointer;
}

.slider-labels {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--color-amber-600);
    margin-top: var(--spacing-1);
}

/* Eye color options */
.eye-color-options {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-2);
}

.eye-color-option {
    width: 2rem;
    height: 2rem;
    border-radius: var(--radius-full);
    border: 2px solid;
    cursor: pointer;
    transition: var(--transition-all);
    display: flex;
    align-items: center;
    justify-content: center;
}

.eye-color-option:hover {
    transform: scale(1.05);
}

.eye-color-option.selected {
    transform: scale(1.1);
    box-shadow: 0 0 0 2px var(--color-amber-500), 0 0 0 4px white;
}

.eye-color-option input {
    /* Visually hidden but accessible */
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Mouth style options */
.mouth-options {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--spacing-2);
}

.mouth-option {
    padding: var(--spacing-2);
    border-radius: var(--radius-lg);
    text-align: center;
    font-size: 0.75rem;
    background: var(--color-amber-50);
    cursor: pointer;
    transition: var(--transition-all);
}

.mouth-option:hover {
    background: var(--color-amber-100);
}

.mouth-option.selected {
    background: var(--color-amber-300);
    font-weight: bold;
    box-shadow: 0 0 0 2px var(--color-amber-500);
}

.mouth-option input {
    /* Visually hidden but accessible */
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Checkbox options */
.checkbox-group {
    display: flex;
    gap: var(--spacing-4);
    flex-wrap: wrap;
}

.checkbox-option {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    cursor: pointer;
    color: var(--color-amber-800);
    font-size: 0.875rem;
}

.checkbox-option input {
    width: 1.25rem;
    height: 1.25rem;
    accent-color: var(--color-amber-600);
    cursor: pointer;
}

/* Download section */
.download-section {
    padding-top: var(--spacing-3);
    border-top: 1px solid var(--color-amber-200);
}

.download-buttons {
    display: flex;
    gap: var(--spacing-3);
}

.btn {
    flex: 1;
    padding: var(--spacing-2) var(--spacing-4);
    font-weight: 600;
    color: white;
    border: none;
    border-radius: var(--radius-xl);
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    transition: var(--transition-all);
}

.btn:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-xl);
}

.btn:active {
    transform: scale(0.98);
}

.btn-svg {
    background: linear-gradient(to right, var(--color-amber-500), var(--color-orange-500));
}

.btn-png {
    background: linear-gradient(to right, var(--color-orange-500), var(--color-red-500));
}

/* -----------------------------------------------------------------------------
   Preview Panel
   ----------------------------------------------------------------------------- */
.preview-panel {
    display: flex;
    flex-direction: column;
}

.preview-container {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(to bottom right, var(--color-amber-50), var(--color-orange-50));
    border-radius: var(--radius-xl);
    padding: var(--spacing-4);
    min-height: 350px;
}

.preview-container svg {
    max-width: 100%;
    max-height: 100%;
}

.preview-description {
    margin-top: var(--spacing-3);
    text-align: center;
    font-size: 0.75rem;
    color: var(--color-amber-600);
}

/* -----------------------------------------------------------------------------
   Footer
   ----------------------------------------------------------------------------- */
.footer {
    text-align: center;
    margin-top: var(--spacing-6);
    color: var(--color-amber-600);
    font-size: 0.75rem;
}

/* -----------------------------------------------------------------------------
   Responsive Adjustments
   ----------------------------------------------------------------------------- */
@media (max-width: 640px) {
    .mouth-options {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .checkbox-group {
        flex-direction: column;
        gap: var(--spacing-2);
    }
    
    .download-buttons {
        flex-direction: column;
    }
}