:root {
    /* Primitive Color Tokens */
    --color-white: rgba(255, 255, 255, 1);
    --color-black: rgba(0, 0, 0, 1);
    --color-cream-50: rgba(252, 252, 249, 1);
    --color-cream-100: rgba(255, 255, 253, 1);
    --color-gray-200: rgba(245, 245, 245, 1);
    --color-gray-300: rgba(167, 169, 169, 1);
    --color-gray-400: rgba(119, 124, 124, 1);
    --color-slate-500: rgba(98, 108, 113, 1);
    --color-brown-600: rgba(94, 82, 64, 1);
    --color-charcoal-700: rgba(31, 33, 33, 1);
    --color-charcoal-800: rgba(38, 40, 40, 1);
    --color-slate-900: rgba(19, 52, 59, 1);
    --color-teal-300: rgba(50, 184, 198, 1);
    --color-teal-400: rgba(45, 166, 178, 1);
    --color-teal-500: rgba(33, 128, 141, 1);
    --color-teal-600: rgba(29, 116, 128, 1);
    --color-teal-700: rgba(26, 104, 115, 1);
    --color-teal-800: rgba(41, 150, 161, 1);
    --color-red-400: rgba(255, 84, 89, 1);
    --color-red-500: rgba(192, 21, 47, 1);
    --color-orange-400: rgba(230, 129, 97, 1);
    --color-orange-500: rgba(168, 75, 47, 1);

    /* RGB versions for opacity control */
    --color-brown-600-rgb: 94, 82, 64;
    --color-teal-500-rgb: 33, 128, 141;
    --color-slate-900-rgb: 19, 52, 59;
    --color-slate-500-rgb: 98, 108, 113;
    --color-red-500-rgb: 192, 21, 47;
    --color-red-400-rgb: 255, 84, 89;
    --color-orange-500-rgb: 168, 75, 47;
    --color-orange-400-rgb: 230, 129, 97;

    /* Background color tokens (Light Mode) */
    --color-bg-1: rgba(59, 130, 246, 0.08);
    /* Light blue */
    --color-bg-2: rgba(245, 158, 11, 0.08);
    /* Light yellow */
    --color-bg-3: rgba(34, 197, 94, 0.08);
    /* Light green */
    --color-bg-4: rgba(239, 68, 68, 0.08);
    /* Light red */
    --color-bg-5: rgba(147, 51, 234, 0.08);
    /* Light purple */
    --color-bg-6: rgba(249, 115, 22, 0.08);
    /* Light orange */
    --color-bg-7: rgba(236, 72, 153, 0.08);
    /* Light pink */
    --color-bg-8: rgba(6, 182, 212, 0.08);
    /* Light cyan */

    /* Semantic Color Tokens (Light Mode) */
    --color-background: var(--color-cream-50);
    --color-surface: var(--color-cream-100);
    --color-text: var(--color-slate-900);
    --color-text-secondary: var(--color-slate-500);
    --color-primary: var(--color-teal-500);
    --color-primary-hover: var(--color-teal-600);
    --color-primary-active: var(--color-teal-700);
    --color-secondary: rgba(var(--color-brown-600-rgb), 0.12);
    --color-secondary-hover: rgba(var(--color-brown-600-rgb), 0.2);
    --color-secondary-active: rgba(var(--color-brown-600-rgb), 0.25);
    --color-border: rgba(var(--color-brown-600-rgb), 0.2);
    --color-btn-primary-text: var(--color-cream-50);
    --color-card-border: rgba(var(--color-brown-600-rgb), 0.12);
    --color-card-border-inner: rgba(var(--color-brown-600-rgb), 0.12);
    --color-error: var(--color-red-500);
    --color-success: var(--color-teal-500);
    --color-warning: var(--color-orange-500);
    --color-info: var(--color-slate-500);
    --color-focus-ring: rgba(var(--color-teal-500-rgb), 0.4);
    --color-select-caret: rgba(var(--color-slate-900-rgb), 0.8);

    /* Common style patterns */
    --focus-ring: 0 0 0 3px var(--color-focus-ring);
    --focus-outline: 2px solid var(--color-primary);
    --status-bg-opacity: 0.15;
    --status-border-opacity: 0.25;
    --select-caret-light: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23134252' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    --select-caret-dark: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23f5f5f5' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");

    /* RGB versions for opacity control */
    --color-success-rgb: 33, 128, 141;
    --color-error-rgb: 192, 21, 47;
    --color-warning-rgb: 168, 75, 47;
    --color-info-rgb: 98, 108, 113;

    /* Typography */
    --font-family-base: "FKGroteskNeue", "Geist", "Inter", -apple-system,
        BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-family-mono: "Berkeley Mono", ui-monospace, SFMono-Regular, Menlo,
        Monaco, Consolas, monospace;
    --font-size-xs: 11px;
    --font-size-sm: 12px;
    --font-size-base: 14px;
    --font-size-md: 14px;
    --font-size-lg: 16px;
    --font-size-xl: 18px;
    --font-size-2xl: 20px;
    --font-size-3xl: 24px;
    --font-size-4xl: 30px;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 550;
    --font-weight-bold: 600;
    --line-height-tight: 1.2;
    --line-height-normal: 1.5;
    --letter-spacing-tight: -0.01em;

    /* Spacing */
    --space-0: 0;
    --space-1: 1px;
    --space-2: 2px;
    --space-4: 4px;
    --space-6: 6px;
    --space-8: 8px;
    --space-10: 10px;
    --space-12: 12px;
    --space-16: 16px;
    --space-20: 20px;
    --space-24: 24px;
    --space-32: 32px;

    /* Border Radius */
    --radius-sm: 6px;
    --radius-base: 8px;
    --radius-md: 10px;
    --radius-lg: 12px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.02);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.02);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.04),
        0 2px 4px -1px rgba(0, 0, 0, 0.02);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.04),
        0 4px 6px -2px rgba(0, 0, 0, 0.02);
    --shadow-inset-sm: inset 0 1px 0 rgba(255, 255, 255, 0.15),
        inset 0 -1px 0 rgba(0, 0, 0, 0.03);

    /* Animation */
    --duration-fast: 150ms;
    --duration-normal: 250ms;
    --ease-standard: cubic-bezier(0.16, 1, 0.3, 1);

    /* Layout */
    --container-sm: 640px;
    --container-md: 768px;
    --container-lg: 1024px;
    --container-xl: 1280px;
}

/* Dark mode colors */
@media (prefers-color-scheme: dark) {
    :root {
        /* RGB versions for opacity control (Dark Mode) */
        --color-gray-400-rgb: 119, 124, 124;
        --color-teal-300-rgb: 50, 184, 198;
        --color-gray-300-rgb: 167, 169, 169;
        --color-gray-200-rgb: 245, 245, 245;

        /* Background color tokens (Dark Mode) */
        --color-bg-1: rgba(29, 78, 216, 0.15);
        /* Dark blue */
        --color-bg-2: rgba(180, 83, 9, 0.15);
        /* Dark yellow */
        --color-bg-3: rgba(21, 128, 61, 0.15);
        /* Dark green */
        --color-bg-4: rgba(185, 28, 28, 0.15);
        /* Dark red */
        --color-bg-5: rgba(107, 33, 168, 0.15);
        /* Dark purple */
        --color-bg-6: rgba(194, 65, 12, 0.15);
        /* Dark orange */
        --color-bg-7: rgba(190, 24, 93, 0.15);
        /* Dark pink */
        --color-bg-8: rgba(8, 145, 178, 0.15);
        /* Dark cyan */

        /* Semantic Color Tokens (Dark Mode) */
        --color-background: var(--color-charcoal-700);
        --color-surface: var(--color-charcoal-800);
        --color-text: var(--color-gray-200);
        --color-text-secondary: rgba(var(--color-gray-300-rgb), 0.7);
        --color-primary: var(--color-teal-300);
        --color-primary-hover: var(--color-teal-400);
        --color-primary-active: var(--color-teal-800);
        --color-secondary: rgba(var(--color-gray-400-rgb), 0.15);
        --color-secondary-hover: rgba(var(--color-gray-400-rgb), 0.25);
        --color-secondary-active: rgba(var(--color-gray-400-rgb), 0.3);
        --color-border: rgba(var(--color-gray-400-rgb), 0.3);
        --color-error: var(--color-red-400);
        --color-success: var(--color-teal-300);
        --color-warning: var(--color-orange-400);
        --color-info: var(--color-gray-300);
        --color-focus-ring: rgba(var(--color-teal-300-rgb), 0.4);
        --color-btn-primary-text: var(--color-slate-900);
        --color-card-border: rgba(var(--color-gray-400-rgb), 0.2);
        --color-card-border-inner: rgba(var(--color-gray-400-rgb), 0.15);
        --shadow-inset-sm: inset 0 1px 0 rgba(255, 255, 255, 0.1),
            inset 0 -1px 0 rgba(0, 0, 0, 0.15);
        --button-border-secondary: rgba(var(--color-gray-400-rgb), 0.2);
        --color-border-secondary: rgba(var(--color-gray-400-rgb), 0.2);
        --color-select-caret: rgba(var(--color-gray-200-rgb), 0.8);

        /* Common style patterns - updated for dark mode */
        --focus-ring: 0 0 0 3px var(--color-focus-ring);
        --focus-outline: 2px solid var(--color-primary);
        --status-bg-opacity: 0.15;
        --status-border-opacity: 0.25;
        --select-caret-light: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23134252' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
        --select-caret-dark: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23f5f5f5' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");

        /* RGB versions for dark mode */
        --color-success-rgb: var(--color-teal-300-rgb);
        --color-error-rgb: var(--color-red-400-rgb);
        --color-warning-rgb: var(--color-orange-400-rgb);
        --color-info-rgb: var(--color-gray-300-rgb);
    }
}

/* Data attribute for manual theme switching */
[data-color-scheme="dark"] {
    /* RGB versions for opacity control (dark mode) */
    --color-gray-400-rgb: 119, 124, 124;
    --color-teal-300-rgb: 50, 184, 198;
    --color-gray-300-rgb: 167, 169, 169;
    --color-gray-200-rgb: 245, 245, 245;

    /* Colorful background palette - Dark Mode */
    --color-bg-1: rgba(29, 78, 216, 0.15);
    /* Dark blue */
    --color-bg-2: rgba(180, 83, 9, 0.15);
    /* Dark yellow */
    --color-bg-3: rgba(21, 128, 61, 0.15);
    /* Dark green */
    --color-bg-4: rgba(185, 28, 28, 0.15);
    /* Dark red */
    --color-bg-5: rgba(107, 33, 168, 0.15);
    /* Dark purple */
    --color-bg-6: rgba(194, 65, 12, 0.15);
    /* Dark orange */
    --color-bg-7: rgba(190, 24, 93, 0.15);
    /* Dark pink */
    --color-bg-8: rgba(8, 145, 178, 0.15);
    /* Dark cyan */

    /* Semantic Color Tokens (Dark Mode) */
    --color-background: var(--color-charcoal-700);
    --color-surface: var(--color-charcoal-800);
    --color-text: var(--color-gray-200);
    --color-text-secondary: rgba(var(--color-gray-300-rgb), 0.7);
    --color-primary: var(--color-teal-300);
    --color-primary-hover: var(--color-teal-400);
    --color-primary-active: var(--color-teal-800);
    --color-secondary: rgba(var(--color-gray-400-rgb), 0.15);
    --color-secondary-hover: rgba(var(--color-gray-400-rgb), 0.25);
    --color-secondary-active: rgba(var(--color-gray-400-rgb), 0.3);
    --color-border: rgba(var(--color-gray-400-rgb), 0.3);
    --color-error: var(--color-red-400);
    --color-success: var(--color-teal-300);
    --color-warning: var(--color-orange-400);
    --color-info: var(--color-gray-300);
    --color-focus-ring: rgba(var(--color-teal-300-rgb), 0.4);
    --color-btn-primary-text: var(--color-slate-900);
    --color-card-border: rgba(var(--color-gray-400-rgb), 0.15);
    --color-card-border-inner: rgba(var(--color-gray-400-rgb), 0.15);
    --shadow-inset-sm: inset 0 1px 0 rgba(255, 255, 255, 0.1),
        inset 0 -1px 0 rgba(0, 0, 0, 0.15);
    --color-border-secondary: rgba(var(--color-gray-400-rgb), 0.2);
    --color-select-caret: rgba(var(--color-gray-200-rgb), 0.8);

    /* Common style patterns - updated for dark mode */
    --focus-ring: 0 0 0 3px var(--color-focus-ring);
    --focus-outline: 2px solid var(--color-primary);
    --status-bg-opacity: 0.15;
    --status-border-opacity: 0.25;
    --select-caret-light: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23134252' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    --select-caret-dark: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23f5f5f5' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");

    /* RGB versions for dark mode */
    --color-success-rgb: var(--color-teal-300-rgb);
    --color-error-rgb: var(--color-red-400-rgb);
    --color-warning-rgb: var(--color-orange-400-rgb);
    --color-info-rgb: var(--color-gray-300-rgb);
}

[data-color-scheme="light"] {
    /* RGB versions for opacity control (light mode) */
    --color-brown-600-rgb: 94, 82, 64;
    --color-teal-500-rgb: 33, 128, 141;
    --color-slate-900-rgb: 19, 52, 59;

    /* Semantic Color Tokens (Light Mode) */
    --color-background: var(--color-cream-50);
    --color-surface: var(--color-cream-100);
    --color-text: var(--color-slate-900);
    --color-text-secondary: var(--color-slate-500);
    --color-primary: var(--color-teal-500);
    --color-primary-hover: var(--color-teal-600);
    --color-primary-active: var(--color-teal-700);
    --color-secondary: rgba(var(--color-brown-600-rgb), 0.12);
    --color-secondary-hover: rgba(var(--color-brown-600-rgb), 0.2);
    --color-secondary-active: rgba(var(--color-brown-600-rgb), 0.25);
    --color-border: rgba(var(--color-brown-600-rgb), 0.2);
    --color-btn-primary-text: var(--color-cream-50);
    --color-card-border: rgba(var(--color-brown-600-rgb), 0.12);
    --color-card-border-inner: rgba(var(--color-brown-600-rgb), 0.12);
    --color-error: var(--color-red-500);
    --color-success: var(--color-teal-500);
    --color-warning: var(--color-orange-500);
    --color-info: var(--color-slate-500);
    --color-focus-ring: rgba(var(--color-teal-500-rgb), 0.4);

    /* RGB versions for light mode */
    --color-success-rgb: var(--color-teal-500-rgb);
    --color-error-rgb: var(--color-red-500-rgb);
    --color-warning-rgb: var(--color-orange-500-rgb);
    --color-info-rgb: var(--color-slate-500-rgb);
}

/* Base styles */
html {
    font-size: var(--font-size-base);
    font-family: var(--font-family-base);
    line-height: var(--line-height-normal);
    color: var(--color-text);
    background-color: var(--color-background);
    -webkit-font-smoothing: antialiased;
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 0;
}

*,
*::before,
*::after {
    box-sizing: inherit;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    margin: 0;
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-tight);
    color: var(--color-text);
    letter-spacing: var(--letter-spacing-tight);
}

h1 {
    font-size: var(--font-size-4xl);
}

h2 {
    font-size: var(--font-size-3xl);
}

h3 {
    font-size: var(--font-size-2xl);
}

h4 {
    font-size: var(--font-size-xl);
}

h5 {
    font-size: var(--font-size-lg);
}

h6 {
    font-size: var(--font-size-md);
}

p {
    margin: 0 0 var(--space-16) 0;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--duration-fast) var(--ease-standard);
}

a:hover {
    color: var(--color-primary-hover);
}

code,
pre {
    font-family: var(--font-family-mono);
    font-size: calc(var(--font-size-base) * 0.95);
    background-color: var(--color-secondary);
    border-radius: var(--radius-sm);
}

code {
    padding: var(--space-1) var(--space-4);
}

pre {
    padding: var(--space-16);
    margin: var(--space-16) 0;
    overflow: auto;
    border: 1px solid var(--color-border);
}

pre code {
    background: none;
    padding: 0;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-8) var(--space-16);
    border-radius: var(--radius-base);
    font-size: var(--font-size-base);
    font-weight: 500;
    line-height: 1.5;
    cursor: pointer;
    transition: all var(--duration-normal) var(--ease-standard);
    border: none;
    text-decoration: none;
    position: relative;
}

.btn:focus-visible {
    outline: none;
    box-shadow: var(--focus-ring);
}

.btn--primary {
    background: var(--color-primary);
    color: var(--color-btn-primary-text);
}

.btn--primary:hover {
    background: var(--color-primary-hover);
}

.btn--primary:active {
    background: var(--color-primary-active);
}

.btn--secondary {
    background: var(--color-secondary);
    color: var(--color-text);
}

.btn--secondary:hover {
    background: var(--color-secondary-hover);
}

.btn--secondary:active {
    background: var(--color-secondary-active);
}

.btn--outline {
    background: transparent;
    border: 1px solid var(--color-border);
    color: var(--color-text);
}

.btn--outline:hover {
    background: var(--color-secondary);
}

.btn--sm {
    padding: var(--space-4) var(--space-12);
    font-size: var(--font-size-sm);
    border-radius: var(--radius-sm);
}

.btn--lg {
    padding: var(--space-10) var(--space-20);
    font-size: var(--font-size-lg);
    border-radius: var(--radius-md);
}

.btn--full-width {
    width: 100%;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Form elements */
.form-control {
    display: block;
    width: 100%;
    padding: var(--space-8) var(--space-12);
    font-size: var(--font-size-md);
    line-height: 1.5;
    color: var(--color-text);
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-base);
    transition: border-color var(--duration-fast) var(--ease-standard),
        box-shadow var(--duration-fast) var(--ease-standard);
}

textarea.form-control {
    font-family: var(--font-family-base);
    font-size: var(--font-size-base);
}

select.form-control {
    padding: var(--space-8) var(--space-12);
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    background-image: var(--select-caret-light);
    background-repeat: no-repeat;
    background-position: right var(--space-12) center;
    background-size: 16px;
    padding-right: var(--space-32);
}

/* Add a dark mode specific caret */
@media (prefers-color-scheme: dark) {
    select.form-control {
        background-image: var(--select-caret-dark);
    }
}

/* Also handle data-color-scheme */
[data-color-scheme="dark"] select.form-control {
    background-image: var(--select-caret-dark);
}

[data-color-scheme="light"] select.form-control {
    background-image: var(--select-caret-light);
}

.form-control:focus {
    border-color: var(--color-primary);
    outline: var(--focus-outline);
}

.form-label {
    display: block;
    margin-bottom: var(--space-8);
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-sm);
}

.form-group {
    margin-bottom: var(--space-16);
}

/* Card component */
.card {
    background-color: var(--color-surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-card-border);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: box-shadow var(--duration-normal) var(--ease-standard);
}

.card:hover {
    box-shadow: var(--shadow-md);
}

.card__body {
    padding: var(--space-16);
}

.card__header,
.card__footer {
    padding: var(--space-16);
    border-bottom: 1px solid var(--color-card-border-inner);
}

/* Status indicators - simplified with CSS variables */
.status {
    display: inline-flex;
    align-items: center;
    padding: var(--space-6) var(--space-12);
    border-radius: var(--radius-full);
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-sm);
}

.status--success {
    background-color: rgba(var(--color-success-rgb, 33, 128, 141),
            var(--status-bg-opacity));
    color: var(--color-success);
    border: 1px solid rgba(var(--color-success-rgb, 33, 128, 141), var(--status-border-opacity));
}

.status--error {
    background-color: rgba(var(--color-error-rgb, 192, 21, 47),
            var(--status-bg-opacity));
    color: var(--color-error);
    border: 1px solid rgba(var(--color-error-rgb, 192, 21, 47), var(--status-border-opacity));
}

.status--warning {
    background-color: rgba(var(--color-warning-rgb, 168, 75, 47),
            var(--status-bg-opacity));
    color: var(--color-warning);
    border: 1px solid rgba(var(--color-warning-rgb, 168, 75, 47), var(--status-border-opacity));
}

.status--info {
    background-color: rgba(var(--color-info-rgb, 98, 108, 113),
            var(--status-bg-opacity));
    color: var(--color-info);
    border: 1px solid rgba(var(--color-info-rgb, 98, 108, 113), var(--status-border-opacity));
}

/* Container layout */
.container {
    width: 100%;
    margin-right: auto;
    margin-left: auto;
    padding-right: var(--space-16);
    padding-left: var(--space-16);
}

@media (min-width: 640px) {
    .container {
        max-width: var(--container-sm);
    }
}

@media (min-width: 768px) {
    .container {
        max-width: var(--container-md);
    }
}

@media (min-width: 1024px) {
    .container {
        max-width: var(--container-lg);
    }
}

@media (min-width: 1280px) {
    .container {
        max-width: var(--container-xl);
    }
}

/* Utility classes */
.flex {
    display: flex;
}

.flex-col {
    flex-direction: column;
}

.items-center {
    align-items: center;
}

.justify-center {
    justify-content: center;
}

.justify-between {
    justify-content: space-between;
}

.gap-4 {
    gap: var(--space-4);
}

.gap-8 {
    gap: var(--space-8);
}

.gap-16 {
    gap: var(--space-16);
}

.m-0 {
    margin: 0;
}

.mt-8 {
    margin-top: var(--space-8);
}

.mb-8 {
    margin-bottom: var(--space-8);
}

.mx-8 {
    margin-left: var(--space-8);
    margin-right: var(--space-8);
}

.my-8 {
    margin-top: var(--space-8);
    margin-bottom: var(--space-8);
}

.p-0 {
    padding: 0;
}

.py-8 {
    padding-top: var(--space-8);
    padding-bottom: var(--space-8);
}

.px-8 {
    padding-left: var(--space-8);
    padding-right: var(--space-8);
}

.py-16 {
    padding-top: var(--space-16);
    padding-bottom: var(--space-16);
}

.px-16 {
    padding-left: var(--space-16);
    padding-right: var(--space-16);
}

.block {
    display: block;
}

.hidden {
    display: none;
}

/* Accessibility */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

:focus-visible {
    outline: var(--focus-outline);
    outline-offset: 2px;
}

/* Dark mode specifics */
[data-color-scheme="dark"] .btn--outline {
    border: 1px solid var(--color-border-secondary);
}

@font-face {
    font-family: 'FKGroteskNeue';
    src: url('https://r2cdn.perplexity.ai/fonts/FKGroteskNeue.woff2') format('woff2');
}

/* END PERPLEXITY DESIGN SYSTEM */
/* LABEL: design-system-import */
:root {
    /* Primitive Color Tokens */
    --color-white: rgba(255, 255, 255, 1);
    --color-black: rgba(0, 0, 0, 1);
    --color-cream-50: rgba(252, 252, 249, 1);
    --color-cream-100: rgba(255, 255, 253, 1);
    --color-gray-200: rgba(245, 245, 245, 1);
    --color-gray-300: rgba(167, 169, 169, 1);
    --color-gray-400: rgba(119, 124, 124, 1);
    --color-slate-500: rgba(98, 108, 113, 1);
    --color-brown-600: rgba(94, 82, 64, 1);
    --color-charcoal-700: rgba(31, 33, 33, 1);
    --color-charcoal-800: rgba(38, 40, 40, 1);
    --color-slate-900: rgba(19, 52, 59, 1);
    --color-teal-300: rgba(50, 184, 198, 1);
    --color-teal-400: rgba(45, 166, 178, 1);
    --color-teal-500: rgba(33, 128, 141, 1);
    --color-teal-600: rgba(29, 116, 128, 1);
    --color-teal-700: rgba(26, 104, 115, 1);
    --color-brown-600-rgb: 94, 82, 64;
    --color-teal-500-rgb: 33, 128, 141;
    --color-slate-900-rgb: 19, 52, 59;

    /* Semantic Colors */
    --color-background: var(--color-cream-50);
    --color-surface: var(--color-cream-100);
    --color-text: var(--color-slate-900);
    --color-text-secondary: var(--color-slate-500);
    --color-primary: var(--color-teal-500);
    --color-primary-hover: var(--color-teal-600);
    --color-border: rgba(var(--color-brown-600-rgb), 0.2);
    --color-card-border: rgba(var(--color-brown-600-rgb), 0.12);

    /* Typography */
    --font-family-base: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 11px;
    --font-size-sm: 12px;
    --font-size-base: 14px;
    --font-size-lg: 16px;
    --font-size-xl: 18px;
    --font-size-2xl: 20px;
    --font-size-3xl: 24px;

    /* Spacing */
    --space-4: 4px;
    --space-8: 8px;
    --space-12: 12px;
    --space-16: 16px;
    --space-20: 20px;
    --space-24: 24px;
    --space-32: 32px;

    /* Border Radius */
    --radius-sm: 6px;
    --radius-base: 8px;
    --radius-md: 10px;
    --radius-lg: 12px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);

    /* Animation */
    --duration-fast: 150ms;
    --duration-normal: 250ms;
    --ease-standard: cubic-bezier(0.16, 1, 0.3, 1);
}

/* LABEL: dark-mode-colors */
@media (prefers-color-scheme: dark) {
    :root {
        --color-background: var(--color-charcoal-700);
        --color-surface: var(--color-charcoal-800);
        --color-text: var(--color-gray-200);
        --color-text-secondary: rgba(167, 169, 169, 0.7);
        --color-primary: var(--color-teal-300);
        --color-primary-hover: var(--color-teal-400);
        --color-border: rgba(119, 124, 124, 0.3);
        --color-card-border: rgba(119, 124, 124, 0.2);
    }
}

/* LABEL: reset-styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-family-base);
    font-size: var(--font-size-base);
    color: var(--color-text);
    background-color: var(--color-background);
    overflow: hidden;
}

/* LABEL: main-layout-structure */
.main-container {
    display: grid;
    grid-template-columns: 300px 1fr;
    grid-template-rows: 60px 1fr;
    grid-template-areas:
        "header header"
        "menu map";
    height: 100vh;
    width: 100vw;
}

/* LABEL: header-styles */
.header {
    grid-area: header;
    background-color: var(--color-surface);
    border-bottom: 1px solid var(--color-card-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--space-20);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-text);
}

.header-status {
    display: flex;
    align-items: center;
    gap: var(--space-8);
}

.status-text {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.status-indicator {
    width: 10px;
    height: 10px;
    border-radius: var(--radius-full);
    background-color: var(--color-gray-300);
    transition: background-color var(--duration-normal);
}

.status-indicator.active {
    background-color: #00ff00;
    animation: pulse 2s infinite;
}

.status-indicator.error {
    background-color: #ff0000;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

.status-text {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

/* LABEL: mobile-menu-toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-8);
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background-color: var(--color-text);
    border-radius: 2px;
    transition: all var(--duration-normal);
}

/* LABEL: left-menu-styles */
.left-menu {
    grid-area: menu;
    background-color: var(--color-surface);
    border-right: 1px solid var(--color-card-border);
    overflow-y: auto;
    padding: var(--space-20);
    transition: transform var(--duration-normal) var(--ease-standard);
}

.menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-20);
}

.menu-header h2 {
    font-size: var(--font-size-2xl);
    font-weight: 600;
}

.menu-close {
    display: none;
    background: none;
    border: none;
    font-size: 32px;
    color: var(--color-text-secondary);
    cursor: pointer;
    line-height: 1;
    padding: 0;
    width: 32px;
    height: 32px;
}

.menu-close:hover {
    color: var(--color-text);
}

menu-peek {
    position: fixed;
    top: 64px;
    left: 0;
    transform: translateX(-70%);
    width: 32px;
    height: 48px;
    border: 1px solid var(--color-card-border);
    background: var(--color-surface);
    color: var(--color-text);
    border-radius: 0 var(--radius-base) var(--radius-base) 0;
    box-shadow: var(--shadow-lg);
    display: none;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 1002;
    transition: transform var(--duration-normal) var(--ease-standard),
        background-color var(--duration-normal), color var(--duration-normal);
}

.menu-peek:hover {
    background: rgba(var(--color-teal-500-rgb), 0.08);
    color: var(--color-primary);
}

.menu-section {
    margin-bottom: var(--space-24);
}

.menu-section h3 {
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: var(--space-12);
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.legend {
    display: flex;
    flex-direction: column;
    gap: var(--space-8);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: var(--space-10);
    font-size: var(--font-size-base);
    color: var(--color-text);
}

.legend-color {
    width: 18px;
    height: 18px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-card-border);
    box-shadow: var(--shadow-sm);
}

.legend-label {
    font-weight: 500;
}

/* LABEL: parameter-button-styles */
.parameter-buttons,
.period-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--space-8);
}

.param-btn,
.period-btn {
    display: flex;
    align-items: center;
    gap: var(--space-12);
    width: 100%;
    justify-content: flex-start;
    padding: var(--space-12) var(--space-16);
    position: relative;
    z-index: 1;
    pointer-events: auto;
    background-color: transparent;
    border: 1px solid var(--color-card-border);
    border-radius: var(--radius-base);
    cursor: pointer;
    transition: all var(--duration-fast);
    font-size: var(--font-size-base);
    color: var(--color-text);
    font-family: var(--font-family-base);
    overflow: hidden;
    isolation: isolate;
}

.param-btn>*,
.period-btn>* {
    pointer-events: none;
}

.param-btn:hover,
.period-btn:hover {
    background-color: rgba(var(--color-teal-500-rgb), 0.1);
    border-color: var(--color-primary);
}

.param-btn.active,
.period-btn.active {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-white);
}

.param-icon {
    font-size: var(--font-size-xl);
}

.param-label {
    flex: 1;
    text-align: left;
}

/* LABEL: legend-styles */
.legend-items {
    display: flex;
    flex-direction: column;
    gap: var(--space-8);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: var(--space-12);
    font-size: var(--font-size-sm);
}

.legend-color {
    width: 24px;
    height: 24px;
    border-radius: var(--radius-full);
    border: 2px solid rgba(0, 0, 0, 0.1);
    flex-shrink: 0;
}

.legend-label {
    color: var(--color-text-secondary);
}

/* LABEL: map-styles */
.map-container {
    grid-area: map;
    position: relative;
    background-color: #aad3df;
}

.map {
    width: 100%;
    height: 100%;
    z-index: 0;
}

.floating-legend {
    position: absolute;
    left: var(--space-12);
    bottom: var(--space-12);
    background: var(--color-surface);
    border: 1px solid var(--color-card-border);
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius-base);
    padding: var(--space-12);
    min-width: 180px;
    max-width: 240px;
    display: none;
    flex-direction: column;
    gap: var(--space-10);
    z-index: 900;
}

.floating-legend.is-hidden {
    display: none !important;
}

.floating-legend__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-8);
    font-weight: 600;
}

.floating-legend__header button {
    background: none;
    border: none;
    font-size: 18px;
    cursor: pointer;
    color: var(--color-text-secondary);
}

.floating-legend__toggle {
    position: absolute;
    left: var(--space-12);
    bottom: var(--space-12);
    padding: var(--space-8) var(--space-12);
    border-radius: var(--radius-full);
    border: 1px solid var(--color-card-border);
    background: rgba(var(--color-teal-500-rgb), 0.12);
    color: var(--color-primary);
    font-weight: 600;
    cursor: pointer;
    display: none;
    z-index: 850;
    box-shadow: var(--shadow-sm);
}

.floating-legend__toggle.is-visible {
    display: block;
}

/* LABEL: loading-overlay */
.loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    transition: opacity var(--duration-normal);
}

.loading-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top-color: var(--color-primary);
    border-radius: var(--radius-full);
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.loading-overlay p {
    margin-top: var(--space-16);
    color: var(--color-white);
    font-size: var(--font-size-lg);
}

/* LABEL: custom-marker-styles */
.custom-marker {
    display: flex;
    align-items: center;
    justify-content: center;
}

.custom-marker .marker-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    border-radius: var(--radius-full);
    border: 1px solid rgba(0, 0, 0, 0.1);
    font-weight: 600;
    font-size: var(--font-size-sm);
    color: var(--color-white);
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.8);
    cursor: pointer;
    transition: transform var(--duration-fast);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.custom-marker:hover .marker-badge {
    transform: scale(1.1);
    z-index: 1000;
}

/* LABEL: right-panel-styles */
.right-panel {
    position: fixed;
    top: 60px;
    right: 0;
    width: 400px;
    height: calc(100vh - 60px);
    background-color: var(--color-surface);
    border-left: 1px solid var(--color-card-border);
    box-shadow: var(--shadow-lg);
    transform: translateX(100%);
    transition: transform var(--duration-normal) var(--ease-standard);
    z-index: 999;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.right-panel.open {
    transform: translateX(0);
}

.panel-body {
    flex: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-20);
    border-bottom: 1px solid var(--color-card-border);
    background-color: var(--color-surface);
}

.panel-header h2 {
    font-size: var(--font-size-xl);
    font-weight: 600;
}

.panel-close {
    background: none;
    border: none;
    font-size: 32px;
    color: var(--color-text-secondary);
    cursor: pointer;
    line-height: 1;
    padding: 0;
    width: 32px;
    height: 32px;
}

.panel-close:hover {
    color: var(--color-text);
}

/* LABEL: station-info-styles */
.station-info {

    padding: var(--space-20);
    border-bottom: 1px solid var(--color-card-border);
}

.info-row {
    display: flex;
    justify-content: space-between;
    padding: var(--space-8) 0;
    border-bottom: 1px solid rgba(var(--color-brown-600-rgb), 0.05);
}

.info-row:last-child {
    border-bottom: none;
}

.info-label {
    font-weight: 600;
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
}

.info-value {
    color: var(--color-text);
    font-size: var(--font-size-sm);
}

/* LABEL: chart-controls-styles */
.chart-controls {
    padding: var(--space-20);
    border-bottom: 1px solid var(--color-card-border);
}

.chart-controls h3 {
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: var(--space-12);
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.period-selector {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-8);
}

.chart-period-btn {
    padding: var(--space-8);
    background-color: transparent;
    border: 1px solid var(--color-card-border);
    border-radius: var(--radius-base);
    cursor: pointer;
    transition: all var(--duration-fast);
    font-size: var(--font-size-sm);
    color: var(--color-text);
    font-family: var(--font-family-base);
}

.chart-period-btn:hover {
    background-color: rgba(var(--color-teal-500-rgb), 0.1);
    border-color: var(--color-primary);
}

.chart-period-btn.active {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-white);
}

/* LABEL: charts-container-styles */
.charts-container {
    flex: 1;
    padding: var(--space-20);
}

.chart-wrapper {
    margin-bottom: var(--space-32);
}

.chart-wrapper h4 {
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: var(--space-12);
    color: var(--color-text);
}

.chart-canvas-wrapper {
    position: relative;
    height: 200px;
    background-color: rgba(var(--color-brown-600-rgb), 0.02);
    border-radius: var(--radius-base);
    padding: var(--space-12);
}

/* LABEL: mobile-styles */
@media (max-width: 768px) {
    .main-container {
        grid-template-columns: 1fr;
        grid-template-rows: 50px 1fr;
        grid-template-areas:
            "header"
            "map";
    }

    .header {
        padding: 0 var(--space-12);
    }

    .header-title {
        font-size: var(--font-size-lg);
    }

    .header-status {
        font-size: var(--font-size-xs);
    }

    /* LABEL: mobile-menu-toggle */
    .mobile-menu-toggle {
        display: flex;
    }

    .menu-close {
        display: inline-flex;
    }

    .menu-peek {
        display: flex;
        top: 56px;
    }

    .floating-legend {
        display: flex;
    }

    .floating-legend__toggle {
        display: none;
    }

    .left-menu {
        position: fixed;
        top: 50px;
        left: 0;
        width: 280px;
        height: calc(100vh - 50px);
        z-index: 1001;
        transform: translateX(-100%);
        box-shadow: var(--shadow-lg);
    }

    .left-menu.open {
        transform: translateX(0);
    }

    .left-menu.open+.menu-peek {
        transform: translateX(-110%);
    }




    .param-btn,
    .period-btn {
        display: flex;
        align-items: center;
        gap: var(--space-12);
        width: 100%;
        justify-content: flex-start;
        padding: var(--space-12) var(--space-16);
        position: relative;
        z-index: 1;
        pointer-events: auto;
        background-color: transparent;
        border: 1px solid var(--color-card-border);
        border-radius: var(--radius-base);
        cursor: pointer;
        transition: all var(--duration-fast);
        font-size: var(--font-size-base);
        color: var(--color-text);
        font-family: var(--font-family-base);
        overflow: hidden;
        isolation: isolate;
    }

    .param-btn>*,
    .period-btn>* {
        pointer-events: none;
    }

    .param-btn:hover,
    .period-btn:hover {
        background-color: rgba(var(--color-teal-500-rgb), 0.1);
        border-color: var(--color-primary);
    }

    .param-btn.active,
    .period-btn.active {
        background-color: var(--color-primary);
        border-color: var(--color-primary);
        color: var(--color-white);
    }

    .param-icon {
        font-size: var(--font-size-base);
    }

    .legend-item {
        font-size: var(--font-size-xs);
    }

    .legend-color {
        width: 20px;
        height: 20px;
    }

    .custom-marker {
        width: 40px;
        height: 40px;
        font-size: var(--font-size-xs);
    }

    .right-panel {
        top: 50px;
        width: 100%;
        height: calc(100vh - 50px);
    }

    .panel-header h2 {
        font-size: var(--font-size-lg);
    }

    .station-info,
    .chart-controls,
    .charts-container {
        padding: var(--space-16);
    }

    .period-selector {
        grid-template-columns: repeat(2, 1fr);
    }

    .chart-canvas-wrapper {
        height: 180px;
    }

    .floating-legend {
        bottom: 70px;
    }
}

/* LABEL: tablet-styles */
@media (min-width: 769px) and (max-width: 1024px) {
    .main-container {
        grid-template-columns: 250px 1fr;
    }

    .left-menu {
        padding: var(--space-16);
    }

    .right-panel {
        width: 350px;
    }
}

/* LABEL: utility-classes */
.hidden {
    display: none !important;
}

/* LABEL: scrollbar-styles */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: var(--radius-sm);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-text-secondary);
}