:root {
    /* Background Colors */
    --bg-primary: #1a1a1a; /* Main background - very dark gray */
    --bg-secondary: #252525; /* Secondary background - slightly lighter */
    --bg-tertiary: #2d2d2d; /* Tertiary background - for depth */

    /* Text Colors */
    --text-primary: #ffffff; /* Main text - white */
    --text-secondary: #e0e0e0; /* Secondary text - light gray */
    --text-tertiary: #b0b0b0; /* Tertiary text - medium gray */
    --text-muted: #808080; /* Muted text - dark gray */

    /* ============================================================
     YELLOW ACCENT SYSTEM
     ============================================================ */

    --accent-primary: #ffd700; /* Primary accent - banana yellow */
    --accent-hover: #ffc700; /* Hover state - slightly darker yellow */
    --accent-active: #ffb700; /* Active state - darker yellow */
    --accent-light: #ffeb3b; /* Light variant of yellow */
    --accent-dark: #ffa500; /* Dark variant of yellow */

    /* ============================================================
     FUNCTIONAL COLORS
     ============================================================ */

    /* Success */
    --success-bg: #1a3a1a;
    --success-text: #4ade80;
    --success-border: #22c55e;

    /* Error */
    --error-bg: #3a1a1a;
    --error-text: #f87171;
    --error-border: #ef4444;

    /* Warning */
    --warning-bg: #3a3012;
    --warning-text: #fbbf24;
    --warning-border: #f59e0b;

    /* ============================================================
     GLASSMORPHISM EFFECTS
     ============================================================ */

    --glass-bg: rgba(255, 255, 255, 0.1); /* Frosted glass background */
    --glass-backdrop: blur(8px); /* Backdrop filter value */
    --glass-opacity: 0.9; /* Card opacity */
    --glass-border: rgba(255, 255, 255, 0.15); /* Glass border color */

    /* ============================================================
     SHADOWS
     ============================================================ */

    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.25);
    --shadow-xl: 0 12px 24px rgba(0, 0, 0, 0.3);

    /* ============================================================
     SPACING & LAYOUT
     ============================================================ */

    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 12px;
    --spacing-lg: 16px;
    --spacing-xl: 24px;
    --spacing-2xl: 32px;

    /* ============================================================
     TYPOGRAPHY
     ============================================================ */

    --font-family-primary:
        -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-size-sm: 12px;
    --font-size-base: 14px;
    --font-size-lg: 16px;
    --font-size-xl: 18px;
    --font-size-2xl: 20px;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-bold: 700;

    /* ============================================================
     BORDER & RADIUS
     ============================================================ */

    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 12px;

    /* ============================================================
     TRANSITIONS
     ============================================================ */

    --transition-fast: 150ms ease-in-out;
    --transition-normal: 250ms ease-in-out;
    --transition-slow: 350ms ease-in-out;

    /* ============================================================
     LEGACY COMPATIBILITY
     ============================================================ */

    --primary-yellow: #ffd700;
    --primary-yellow-dark: #ffc700;
    --primary-yellow-light: #ffeb3b;
    --brown-dark: #e0e0e0;
    --brown-medium: #b0b0b0;
    --brown-light: #808080;
    --tan: #2d2d2d;
    --cream: #252525;
    --text-dark: #ffffff;
    --text-light: #e0e0e0;
    --bg-light: #1a1a1a;
    --bg-white: #252525;
    --border-color: #3a3a3a;
    --success: #4ade80;
    --success-light: #1a3a1a;
    --error: #f87171;
    --error-light: #3a1a1a;
    --warning: #fbbf24;
    --warning-light: #3a3012;
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.25);
    --font-body:
        -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-mono: 'Courier New', monospace;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    background-color: lime;
    color: var(--text-primary);
    font-family: var(--font-family-primary);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-normal);
    line-height: 1.5;
    overflow-x: hidden;
}

#app {
    background-color: #1a1a1a;
    opacity: 1;
    background-image:  linear-gradient(#171717 4px, transparent 4px), linear-gradient(to right, #171717 4px, #1a1a1a 4px);
    background-size: 80px 80px;
}

.workspace-container {
    background-color: var(--bg-primary);
    color: var(--text-primary);
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: var(--font-weight-bold);
    line-height: 1.3;
}

input,
textarea,
select {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--bg-tertiary);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-sm) var(--spacing-md);
    font-family: var(--font-family-primary);
    font-size: var(--font-size-base);
    transition: all var(--transition-fast);
}

input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px rgba(255, 215, 0, 0.1);
    background-color: var(--bg-secondary);
}

input:disabled,
textarea:disabled,
select:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

input::placeholder {
    color: var(--text-tertiary);
}

input[type='checkbox'] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--accent-primary);
}

input[type='checkbox']:focus {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}

button {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--bg-tertiary);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-sm) var(--spacing-md);
    font-family: var(--font-family-primary);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: all var(--transition-fast);
}

button:hover {
    background-color: var(--bg-tertiary);
    border-color: var(--accent-primary);
}

button:active {
    background-color: var(--accent-primary);
    color: var(--bg-primary);
    border-color: var(--accent-primary);
}

button:focus {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}

button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

label {
    display: block;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-base);
}

.input-label {
    display: block;
    margin-bottom: var(--spacing-xs);
    color: var(--text-secondary);
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.input-field {
    padding: var(--spacing-md) var(--spacing-lg);
    border: 1px solid var(--bg-tertiary);
    border-radius: var(--border-radius-md);
    font-family: var(--font-family-primary);
    font-size: var(--font-size-base);
    transition: all var(--transition-fast);
    background-color: var(--bg-secondary);
    color: var(--text-primary);
}

.input-field:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.1);
    outline: none;
}

.input-field::placeholder {
    color: var(--text-muted);
}

.swatch {
    width: 100%;
    height: 80px;
    border-radius: var(--border-radius-md);
    border: 1px solid var(--bg-tertiary);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-mono);
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-sm);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.swatch:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--accent-primary);
}

.swatch:focus {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}

.empty-state {
    color: var(--text-secondary);
    background-color: var(--bg-secondary);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-md);
    border-left: 4px solid var(--accent-primary);
}

.hidden {
    display: none !important;
}

.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background-color: var(--accent-primary);
    color: var(--bg-primary);
    padding: 8px;
    text-decoration: none;
    z-index: 100;
}

.skip-link:focus {
    top: 0;
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

.input-field {
    padding: var(--spacing-md) var(--spacing-lg);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 1rem;
    transition:
        border-color 0.2s ease,
        box-shadow 0.2s ease;
    background-color: var(--bg-white);
    color: var(--text-dark);
}

.input-field:focus-visible {
    border-color: var(--primary-yellow);
    box-shadow: 0 0 0 3px rgba(240, 173, 78, 0.1);
    outline: none;
}

.input-field::placeholder {
    color: var(--text-light);
}

label {
    display: block;
    margin-bottom: var(--spacing-sm);
    color: var(--brown-dark);
    font-weight: 600;
    font-size: 0.95rem;
}

.swatch {
    width: 100%;
    height: 80px;
    border-radius: var(--radius-md);
    border: 2px solid var(--border-color);
    cursor: pointer;
    transition:
        transform 0.2s ease,
        box-shadow 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: 0.875rem;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.swatch:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.swatch:focus-visible {
    outline: 2px solid var(--primary-yellow);
    outline-offset: 2px;
}

.empty-state {
    color: var(--text-light);
    background-color: var(--cream);
    padding: var(--spacing-xl);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--primary-yellow);
}