: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;

    /* Additional colors for modals */
    --color-success-light: rgba(33, 128, 141, 0.15);
    --color-muted: var(--color-slate-500);

    /* 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 */

/* Основные стили */
:root {
    --primary-color: var(--color-primary);
    --secondary-color: var(--color-text-secondary);
    --success-color: var(--color-success);
    --warning-color: var(--color-warning);
    --danger-color: var(--color-error);
    --light-color: var(--color-surface);
    --dark-color: var(--color-text);
    --border-radius: var(--radius-base);
    --box-shadow: var(--shadow-sm);
    --box-shadow-lg: var(--shadow-lg);
}

body {
    font-family: var(--font-family-base);
    background-color: var(--color-background);
    color: var(--color-text);
    line-height: var(--line-height-normal);
    font-size: var(--font-size-base);
}

/* Левая панель */
.sticky-top {
    max-height: 100vh;
    overflow-y: auto;
}

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

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

.card-header {
    background-color: rgba(var(--color-primary-rgb, 33, 128, 141), 0.08);
    border-bottom: 1px solid var(--color-card-border-inner);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    padding: var(--space-16);
}

/* Форма */
.form-control:focus,
.form-select:focus {
    border-color: var(--color-primary);
    box-shadow: var(--focus-ring);
    outline: 0;
}

.form-control.is-invalid,
.form-select.is-invalid {
    border-color: var(--color-error);
    box-shadow: 0 0 0 3px rgba(var(--color-error-rgb, 192, 21, 47), 0.4);
}

.form-control.is-valid,
.form-select.is-valid {
    border-color: var(--color-success);
    box-shadow: 0 0 0 3px rgba(var(--color-success-rgb, 33, 128, 141), 0.4);
}

/* Кнопки */
.btn {
    border-radius: var(--radius-base);
    font-weight: var(--font-weight-medium);
    transition: all var(--duration-fast) var(--ease-standard);
    position: relative;
    overflow: hidden;
    padding: var(--space-8) var(--space-16);
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:active::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: var(--color-primary);
    border: none;
    color: var(--color-btn-primary-text);
}

.btn-primary:hover {
    background: var(--color-primary-hover);
    transform: translateY(-1px);
}

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

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

/* SVG Превью */
#boxPreview {
    max-width: 100%;
    height: auto;
    filter: drop-shadow(0 4px 6px rgba(var(--color-slate-900-rgb, 19, 52, 59), 0.1));
}

.box-face {
    transition: all var(--duration-normal) var(--ease-standard);
}

.box-face:hover {
    opacity: 0.8;
    stroke-width: 2;
}

/* Результаты */
.display-4 {
    font-weight: var(--font-weight-bold);
    text-shadow: 0 2px 4px rgba(var(--color-slate-900-rgb, 19, 52, 59), 0.1);
    font-size: var(--font-size-4xl);
}

/* Детализация */
.calculation-step {
    padding: var(--space-8);
    background: rgba(var(--color-primary-rgb, 33, 128, 141), 0.05);
    border-left: 3px solid var(--color-primary);
    margin-bottom: var(--space-8);
    border-radius: 0 var(--radius-base) var(--radius-base) 0;
}

.calculation-formula {
    font-family: var(--font-family-mono);
    background: var(--color-secondary);
    padding: var(--space-4) var(--space-8);
    border-radius: var(--radius-sm);
    display: inline-block;
    margin: var(--space-4) 0;
    font-size: var(--font-size-sm);
}

/* Анимации */
@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(var(--space-20));
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.05);
    }

    100% {
        transform: scale(1);
    }
}

.slide-in {
    animation: slideIn 0.5s var(--ease-standard);
}

.pulse {
    animation: pulse 2s infinite;
}

/* Адаптивность - Mobile portrait breakpoint */
@media (max-width: 480px) {
    .container-fluid {
        padding: 0;
    }

    .col-lg-4 .p-4 {
        padding: var(--space-16);
    }

    .display-4 {
        font-size: var(--font-size-2xl);
    }

    .btn {
        font-size: var(--font-size-sm);
        padding: var(--space-6) var(--space-12);
    }

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

    .calculation-step {
        padding: var(--space-6);
        margin-bottom: var(--space-6);
    }
}

@media (max-width: 991.98px) {
    .sticky-top {
        position: static;
        max-height: none;
    }

    .col-lg-4 {
        border-bottom: 1px solid var(--color-border);
    }
}

@media (max-width: 575.98px) {
    .container-fluid {
        padding: 0;
    }

    .col-lg-4 .p-4 {
        padding: var(--space-16);
    }

    .display-4 {
        font-size: var(--font-size-2xl);
    }

    .btn {
        font-size: var(--font-size-sm);
    }
}

/* Toast уведомления */
.toast {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
    border-radius: var(--radius-base);
}

.toast-success {
    border-left: 4px solid var(--color-success);
}

.toast-error {
    border-left: 4px solid var(--color-error);
}

/* Загрузка */
.loading {
    position: relative;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: var(--space-20);
    height: var(--space-20);
    margin: calc(var(--space-10) * -1) 0 0 calc(var(--space-10) * -1);
    border: 2px solid var(--color-border);
    border-top: 2px solid var(--color-primary);
    border-radius: var(--radius-full);
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

/* Сохранённые расчёты */
.saved-calculation {
    background: var(--color-surface);
    border: 1px solid var(--color-card-border);
    border-radius: var(--radius-base);
    padding: var(--space-16);
    margin-bottom: var(--space-16);
    transition: all var(--duration-normal) var(--ease-standard);
}

.saved-calculation:hover {
    background: rgba(var(--color-primary-rgb, 33, 128, 141), 0.05);
    border-color: var(--color-primary);
    cursor: pointer;
    box-shadow: var(--shadow-sm);
}

.saved-calculation-date {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

/* Утилитарные классы */
.text-gradient {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-hover) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.shadow-lg {
    box-shadow: var(--shadow-lg);
}

.border-gradient {
    border: 2px solid;
    border-image: linear-gradient(135deg, var(--color-primary), var(--color-primary-hover)) 1;
}

/* Скроллбар */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: var(--color-secondary);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: 3px;
}

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

/* Form controls styling to match design system */
.form-control,
.form-select {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    color: var(--color-text);
    border-radius: var(--radius-base);
    padding: var(--space-8) var(--space-12);
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
    transition: border-color var(--duration-fast) var(--ease-standard),
        box-shadow var(--duration-fast) var(--ease-standard);
}

.form-select {
    -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);
}

@media (prefers-color-scheme: dark) {
    .form-select {
        background-image: var(--select-caret-dark);
    }
}

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

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

/* Background utilities */
.bg-light {
    background-color: var(--color-surface);
}

/* Text utilities */
.text-muted {
    color: var(--color-text-secondary);
}

/* Border utilities */
.border {
    border: 1px solid var(--color-border);
}

/* Additional responsive adjustments for mobile portrait */
@media (max-width: 480px) {
    .saved-calculation {
        padding: var(--space-12);
        margin-bottom: var(--space-12);
    }

    .calculation-formula {
        font-size: var(--font-size-xs);
        padding: var(--space-2) var(--space-6);
    }

    .toast {
        margin: var(--space-8);
        border-radius: var(--radius-sm);
    }

    .card {
        margin-bottom: var(--space-16);
        border-radius: var(--radius-base);
    }

    .sticky-top {
        max-height: none;
        overflow-y: visible;
    }
}

/* Email модальное окно */
#emailModal .modal-content {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

#emailModal .modal-header {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-hover) 100%);
    color: var(--color-btn-primary-text);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

#emailModal .modal-title {
    font-weight: var(--font-weight-semibold);
}

#emailModal .form-label {
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
    margin-bottom: var(--space-8);
}

#emailModal .form-control,
#emailModal .form-select {
    border-radius: var(--radius-base);
    border: 1px solid var(--color-border);
    transition: all var(--duration-fast) var(--ease-standard);
}

#emailModal .form-control:focus,
#emailModal .form-select:focus {
    border-color: var(--color-primary);
    box-shadow: var(--focus-ring);
}

#emailModal .form-control.is-valid {
    border-color: var(--color-success);
    box-shadow: 0 0 0 3px rgba(var(--color-success-rgb), 0.4);
}

#emailModal .form-control.is-invalid {
    border-color: var(--color-error);
    box-shadow: 0 0 0 3px rgba(var(--color-error-rgb), 0.4);
}

#emailModal .form-text {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

#emailModal .form-check-input:checked {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

#emailModal .btn-primary {
    background: var(--color-primary);
    border: none;
    color: var(--color-btn-primary-text);
    font-weight: var(--font-weight-medium);
    padding: var(--space-8) var(--space-16);
    border-radius: var(--radius-base);
    transition: all var(--duration-fast) var(--ease-standard);
}

#emailModal .btn-primary:hover:not(:disabled) {
    background: var(--color-primary-hover);
    transform: translateY(-1px);
}

#emailModal .btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* Улучшенные toast уведомления */
.toast {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius-base);
    backdrop-filter: blur(10px);
}

.toast-header {
    background: rgba(var(--color-primary-rgb), 0.05);
    border-bottom: 1px solid var(--color-border);
    border-radius: var(--radius-base) var(--radius-base) 0 0;
}

.toast-header .btn-close {
    filter: var(--color-text);
}

#emailToast .toast-header {
    background: rgba(var(--color-primary-rgb), 0.1);
    border-left: 4px solid var(--color-primary);
}

#errorToast .toast-header {
    background: rgba(var(--color-error-rgb), 0.1);
    border-left: 4px solid var(--color-error);
}

.toast-body {
    padding: var(--space-12) var(--space-16);
    font-weight: var(--font-weight-medium);
}

/* Анимации для email функциональности */
@keyframes emailSent {
    0% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.05);
    }

    100% {
        transform: scale(1);
    }
}

.email-sent {
    animation: emailSent 0.5s var(--ease-standard);
}

/* Адаптивность для email модального окна */
@media (max-width: 576px) {
    #emailModal .modal-dialog {
        margin: var(--space-8);
    }

    #emailModal .modal-content {
        border-radius: var(--radius-base);
    }

    #emailModal .modal-header {
        border-radius: var(--radius-base) var(--radius-base) 0 0;
        padding: var(--space-12);
    }

    #emailModal .modal-body {
        padding: var(--space-16);
    }

    #emailModal .modal-footer {
        padding: var(--space-12);
    }

    #emailModal .btn {
        font-size: var(--font-size-sm);
        padding: var(--space-6) var(--space-12);
    }
}

/* Улучшенные стили для email кнопки */
#emailBtn {
    position: relative;
    overflow: hidden;
}

#emailBtn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

#emailBtn:hover::before {
    width: 300px;
    height: 300px;
}

/* Стили для загрузки */
.loading-spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

/* Стили для модальных окон выбора */
.modal-content {
    border: none;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.modal-header {
    border-bottom: 1px solid var(--color-border);
    padding: 1.5rem 2rem;
}

.modal-title {
    color: var(--color-text);
    font-weight: 600;
}

.modal-body {
    padding: 2rem;
}

/* Сетка типов коробочек */
.product-type-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    overflow-y: visible;
}

.product-type-item {
    background: var(--color-surface);
    border: 2px solid var(--color-border);
    border-radius: 12px;
    padding: 2.5rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    min-height: 280px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.product-type-item:hover {
    border-color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(33, 128, 129, 0.15);
}

.product-type-item.selected {
    border-color: var(--color-primary);
    background: #e3f2fd;
    color: var(--color-text);
}

.product-type-item.selected .product-type-icon svg,
.product-type-item.selected .product-type-icon img {
    filter: none;
}

.product-type-icon {
    margin-bottom: 2rem;
}

.product-type-name {
    font-weight: 600;
    font-size: 1.4rem;
    margin-bottom: 0.5rem;
    color: var(--color-text);
}

.product-type-item.selected .product-type-name {
    color: var(--color-text);
}

/* Специальные стили для модального окна типов изделий */
#productTypeModal .modal-dialog {
    max-width: 90vw;
    width: 90vw;
}

@media (min-width: 1200px) {
    #productTypeModal .modal-dialog {
        max-width: 80vw;
        width: 80vw;
    }
}

@media (min-width: 1400px) {
    #productTypeModal .modal-dialog {
        max-width: 70vw;
        width: 70vw;
    }
}

@media (max-width: 768px) {
    #productTypeModal .modal-dialog {
        max-width: 95vw;
        width: 95vw;
    }
}





/* Сетка фурнитуры (компактные карточки, уменьшенные в 1.5 раза) */
.hardware-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 1rem;
    max-height: none;
    overflow-y: visible;
}

.hardware-item {
    background: var(--color-surface);
    border: 2px solid var(--color-border);
    border-radius: 12px;
    padding: 0;
    text-align: center;
    cursor: pointer;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: stretch;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.hardware-item:hover {
    border-color: var(--color-primary);
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(33, 128, 129, 0.16);
}

.hardware-item.selected {
    border-color: var(--color-primary);
    border-width: 2.5px;
    box-shadow: 0 6px 18px rgba(33, 128, 129, 0.22);
}

.hardware-item.selected::before {
    content: "✓";
    position: absolute;
    top: 8px;
    right: 8px;
    width: 24px;
    height: 24px;
    background: var(--color-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 700;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.25);
    z-index: 5;
}

.hardware-item.selected .hardware-icon svg {
    filter: none;
}

.hardware-item.disabled {
    opacity: 0.35;
    cursor: not-allowed;
    pointer-events: none;
    filter: grayscale(80%);
}

.hardware-icon {
    width: 100%;
    aspect-ratio: 1 / 1;
    min-height: 140px;
    max-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #ffffff;
    overflow: hidden;
    margin: 0;
    padding: 0;
    border: none;
    border-bottom: 1px solid var(--color-border);
    position: relative;
}

.hardware-icon svg {
    width: 80px;
    height: 80px;
    transition: transform 0.3s ease;
}

.hardware-item:hover .hardware-icon svg {
    transform: scale(1.08);
}

.hardware-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
    padding: 0;
    margin: 0;
    transition: transform 0.3s ease;
}

.hardware-item:hover .hardware-img {
    transform: scale(1.06);
}

.hardware-name {
    font-weight: 600;
    font-size: 0.95rem;
    padding: 10px 8px;
    margin: 0;
    color: var(--color-text);
    line-height: 1.25;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    background: var(--color-surface);
    transition: background 0.2s ease, color 0.2s ease;
}

.hardware-item.selected .hardware-name {
    background: #e3f2fd;
    color: #0369a1;
    font-weight: 700;
}

/* Модальное окно фурнитуры */

/* Специальные стили для модального окна фурнитуры */
#hardwareModal .modal-dialog {
    max-width: 90vw;
    width: 90vw;
}

@media (min-width: 1200px) {
    #hardwareModal .modal-dialog {
        max-width: 80vw;
        width: 80vw;
    }
}

@media (min-width: 1400px) {
    #hardwareModal .modal-dialog {
        max-width: 70vw;
        width: 70vw;
    }
}

/* Специальные стили для модального окна материалов */
#materialModal .modal-dialog {
    max-width: 90vw;
    width: 90vw;
}

@media (min-width: 1200px) {
    #materialModal .modal-dialog {
        max-width: 80vw;
        width: 80vw;
    }
}

@media (min-width: 1400px) {
    #materialModal .modal-dialog {
        max-width: 70vw;
        width: 70vw;
    }
}

/* Адаптивность для мобильных устройств */
@media (max-width: 768px) {
    .hardware-grid {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
        gap: 0.75rem;
    }

    #hardwareModal .modal-dialog {
        max-width: 95vw;
        width: 95vw;
    }

    .modal-body {
        padding: 0.75rem;
    }

    .hardware-item {
        padding: 0;
        min-height: auto;
    }

    .hardware-icon {
        width: 100%;
        aspect-ratio: 1 / 1;
        min-height: 110px;
        max-height: 150px;
        margin: 0;
    }

    .hardware-name {
        padding: 6px 4px;
        font-size: 0.825rem;
        min-height: 36px;
    }

    .hardware-icon svg {
        width: 55px;
        height: 55px;
    }

    .hardware-item.selected::before {
        width: 20px;
        height: 20px;
        font-size: 11px;
        top: 6px;
        right: 6px;
    }
}

/* Сетка материалов */
.material-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    max-height: none;
    overflow-y: visible;
}

.material-item {
    background: var(--color-surface);
    border: 2px solid var(--color-border);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    min-height: 200px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.material-item:hover {
    border-color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(33, 128, 129, 0.15);
}

.material-item.selected {
    border-color: var(--color-primary);
    background: linear-gradient(135deg, var(--color-primary), #1a6b6c);
    color: white;
}

.material-item.selected .material-icon svg {
    filter: brightness(0) invert(1);
}

.material-item.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

.material-icon {
    margin-bottom: 1.5rem;
}

.material-icon svg {
    width: 80px;
    height: 80px;
}

.material-name {
    font-weight: 600;
    font-size: 1.2rem;
    margin-bottom: 0.75rem;
    color: var(--color-text);
}

.material-item.selected .material-name {
    color: white;
}



.material-desc {
    font-size: 0.95rem;
    color: var(--color-muted);
    line-height: 1.4;
}

.material-item.selected .material-desc {
    color: rgba(255, 255, 255, 0.8);
}

/* Стили для кнопок выбора параметров (в два ряда) */
.select-btn,
#productTypeBtn,
#materialBtn,
#hardwareBtn,
#paintingBtn,
#brandingBtn,
#lodgementBtn {
    background: var(--color-surface);
    border: 1.5px solid var(--color-border);
    color: var(--color-text);
    font-weight: 500;
    padding: 0.45rem 0.65rem;
    font-size: 0.85rem;
    line-height: 1.25;
    transition: all 0.25s ease;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    min-height: 38px;
    border-radius: var(--radius-base);
    text-align: left;
    white-space: nowrap;
    overflow: hidden;
}

.select-btn:hover,
#productTypeBtn:hover,
#materialBtn:hover,
#hardwareBtn:hover,
#paintingBtn:hover,
#brandingBtn:hover,
#lodgementBtn:hover {
    border-color: var(--color-primary);
    background: var(--color-surface);
    color: var(--color-primary);
    box-shadow: 0 2px 6px rgba(33, 128, 129, 0.12);
}

.select-btn:focus,
#productTypeBtn:focus,
#materialBtn:focus,
#hardwareBtn:focus,
#paintingBtn:focus,
#brandingBtn:focus,
#lodgementBtn:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 0.2rem rgba(33, 128, 129, 0.2);
}

/* Состояние выбранного значения */
.select-btn.has-value,
#productTypeBtn.has-value,
#materialBtn.has-value,
#hardwareBtn.has-value,
#paintingBtn.has-value,
#brandingBtn.has-value,
#lodgementBtn.has-value {
    border-color: var(--color-success);
    background: var(--color-success-light);
    color: var(--color-success);
    font-weight: 600;
}

#productTypeText,
#materialText,
#hardwareText,
#paintingText,
#brandingText,
#lodgementText {
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: calc(100% - 14px);
    font-size: 0.825rem;
}

/* Специальные стили для модального окна материалов */
#materialModal .modal-dialog {
    max-width: 90vw;
    width: 90vw;
}

@media (min-width: 1200px) {
    #materialModal .modal-dialog {
        max-width: 80vw;
        width: 80vw;
    }
}

@media (min-width: 1400px) {
    #materialModal .modal-dialog {
        max-width: 70vw;
        width: 70vw;
    }
}

/* Адаптивность для мобильных устройств */
@media (max-width: 768px) {

    .product-type-grid,
    .material-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 1.5rem;
    }

    #materialModal .modal-dialog {
        max-width: 95vw;
        width: 95vw;
    }

    .modal-body {
        padding: 1.5rem;
    }

    .product-type-item,
    .material-item {
        padding: 2rem;
        min-height: 220px;
    }

    .product-type-name,
    .material-name {
        font-size: 0.9rem;
    }

    .product-type-desc,
    .material-desc {
        font-size: 0.8rem;
    }

    .material-icon svg {
        width: 60px;
        height: 60px;
    }
}

/* Скроллбар для модальных окон */
.modal-body::-webkit-scrollbar,
.product-type-grid::-webkit-scrollbar,
.material-grid::-webkit-scrollbar {
    width: 6px;
}

.modal-body::-webkit-scrollbar-track,
.product-type-grid::-webkit-scrollbar-track,
.material-grid::-webkit-scrollbar-track {
    background: var(--color-border);
    border-radius: 3px;
}

.modal-body::-webkit-scrollbar-thumb,
.product-type-grid::-webkit-scrollbar-thumb,
.material-grid::-webkit-scrollbar-thumb {
    background: var(--color-primary);
    border-radius: 3px;
}

.modal-body::-webkit-scrollbar-thumb:hover,
.product-type-grid::-webkit-scrollbar-thumb:hover,
.material-grid::-webkit-scrollbar-thumb:hover,
.painting-grid::-webkit-scrollbar-thumb:hover {
    background: #1a6b6c;
}

/* Сетка выбора покраски / покрытия */
.painting-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
    gap: 1.5rem;
    max-height: none;
    overflow-y: visible;
}

.painting-item {
    background: var(--color-surface);
    border: 2px solid var(--color-border);
    border-radius: 12px;
    padding: 1.75rem 1.25rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    min-height: 220px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.painting-item:hover {
    border-color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(33, 128, 129, 0.15);
}

.painting-item.selected {
    border-color: var(--color-primary);
    background: linear-gradient(135deg, var(--color-primary), #1a6b6c);
    color: white;
}

.painting-item.selected .painting-icon svg {
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
}

.painting-icon {
    margin-bottom: 1rem;
}

.painting-icon svg {
    width: 76px;
    height: 76px;
}

.painting-name {
    font-weight: 600;
    font-size: 1.15rem;
    margin-bottom: 0.5rem;
    color: var(--color-text);
}

.painting-item.selected .painting-name {
    color: white;
}

.painting-badge {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-primary);
    background: rgba(var(--color-primary-rgb), 0.12);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    border: 1px solid rgba(var(--color-primary-rgb), 0.25);
    margin-bottom: 0.5rem;
    display: inline-block;
}

.painting-badge.badge-manager {
    color: #e67e22;
    background: rgba(230, 126, 34, 0.15);
    border-color: rgba(230, 126, 34, 0.35);
}

.painting-item.selected .painting-badge {
    color: white;
    background: rgba(255, 255, 255, 0.22);
    border-color: rgba(255, 255, 255, 0.35);
}

.painting-desc {
    font-size: 0.85rem;
    color: var(--color-muted);
    line-height: 1.3;
}

.painting-item.selected .painting-desc {
    color: rgba(255, 255, 255, 0.85);
}


/* Модальное окно покраски */
#paintingModal .modal-dialog {
    max-width: 90vw;
    width: 90vw;
}

@media (min-width: 1200px) {
    #paintingModal .modal-dialog {
        max-width: 80vw;
        width: 80vw;
    }
}

@media (min-width: 1400px) {
    #paintingModal .modal-dialog {
        max-width: 70vw;
        width: 70vw;
    }
}

@media (max-width: 768px) {
    .painting-grid {
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
        gap: 1rem;
    }

    #paintingModal .modal-dialog {
        max-width: 95vw;
        width: 95vw;
    }

    .painting-item {
        padding: 1.25rem 1rem;
        min-height: 190px;
    }

    .painting-name {
        font-size: 1rem;
    }

    .painting-badge {
        font-size: 0.75rem;
    }

    .painting-icon svg {
        width: 60px;
        height: 60px;
    }
}

/* ═══════════════════════════════════════════════════════════
   СТИЛИ ДЛЯ МОДАЛЬНОГО ОКНА БРЕНДИРОВАНИЯ
   ═══════════════════════════════════════════════════════════ */
.branding-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
    gap: 1.5rem;
    padding: 1rem 0;
}

.branding-item {
    background: var(--color-surface);
    border: 2px solid var(--color-border);
    border-radius: 12px;
    padding: 1.5rem 1rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    min-height: 200px;
}

.branding-item:hover {
    border-color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(33, 128, 129, 0.15);
}

.branding-item.selected {
    border-color: var(--color-primary);
    background: linear-gradient(135deg, var(--color-primary), #1a6b6c);
    color: white;
}

.branding-item.selected .branding-icon svg {
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
}

.branding-item.selected .branding-name {
    color: white;
}

.branding-item.selected .branding-badge {
    color: white;
    background: rgba(255, 255, 255, 0.22);
    border-color: rgba(255, 255, 255, 0.35);
}

.branding-item.selected .branding-desc {
    color: rgba(255, 255, 255, 0.85);
}

.branding-icon {
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 80px;
}

.branding-name {
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: 0.25rem;
    color: var(--color-text);
}

.branding-badge {
    font-size: 0.7rem;
    padding: 0.15rem 0.5rem;
    border-radius: 999px;
    margin-bottom: 0.35rem;
    display: inline-block;
    border: 1px solid var(--color-border);
    background: var(--color-surface);
    color: var(--color-text-secondary);
}

.branding-desc {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    line-height: 1.3;
}

@media (max-width: 768px) {
    .branding-grid {
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
        gap: 1rem;
    }

    .branding-item {
        padding: 1.25rem 1rem;
        min-height: 190px;
    }
}

/* ═══════════════════════════════════════════════════════════
   СТИЛИ ДЛЯ МОДАЛЬНОГО ОКНА ЛОЖЕМЕНТА
   ═══════════════════════════════════════════════════════════ */
.lodgement-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
    gap: 1.5rem;
    padding: 1rem 0;
}

.lodgement-item {
    background: var(--color-surface);
    border: 2px solid var(--color-border);
    border-radius: 12px;
    padding: 1.5rem 1rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    min-height: 200px;
}

.lodgement-item:hover {
    border-color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(33, 128, 129, 0.15);
}

.lodgement-item.selected {
    border-color: var(--color-primary);
    background: linear-gradient(135deg, var(--color-primary), #1a6b6c);
    color: white;
}

.lodgement-item.selected .lodgement-icon svg {
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
}

.lodgement-item.selected .lodgement-name {
    color: white;
}

.lodgement-item.selected .lodgement-badge {
    color: white;
    background: rgba(255, 255, 255, 0.22);
    border-color: rgba(255, 255, 255, 0.35);
}

.lodgement-item.selected .lodgement-desc {
    color: rgba(255, 255, 255, 0.85);
}

.lodgement-icon {
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 80px;
}

.lodgement-name {
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: 0.25rem;
    color: var(--color-text);
}

.lodgement-badge {
    font-size: 0.7rem;
    padding: 0.15rem 0.5rem;
    border-radius: 999px;
    margin-bottom: 0.35rem;
    display: inline-block;
    border: 1px solid var(--color-border);
    background: var(--color-surface);
    color: var(--color-text-secondary);
}

.lodgement-desc {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    line-height: 1.3;
}

@media (max-width: 768px) {
    .lodgement-grid {
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
        gap: 1rem;
    }

    .lodgement-item {
        padding: 1.25rem 1rem;
        min-height: 190px;
    }
}