/* =================================================================== */
/* ===         cal.css - ОБНОВЛЕННЫЙ Сводный файл стилей          === */
/* ===   СТИЛИ ИЗ dose-adjuster.html ПЕРЕНЕСЕНЫ И АДАПТИРОВАНЫ     === */
/* ===   ИСПРАВЛЕНЫ ПРОБЛЕМЫ С СКРЫТЫМИ ЭЛЕМЕНТАМИ И ОТСТУПАМИ    === */
/* =================================================================== */

:root {
    /* Enhanced Professional Color Palette from dose-adjuster.html */
    --primary-navy: #0B1426;
    --primary-blue: #1e40af;
    --primary-blue-light: #3b82f6;
    --primary-blue-dark: #1e3a8a;
    --accent-cyan: #06b6d4;
    --accent-emerald: #10b981;
    --accent-amber: #f59e0b;
    --accent-rose: #f43f5e;
    --accent-purple: #8b5cf6;
    --accent-teal: #14b8a6;
    
    /* Advanced Background System */
    --body-bg: radial-gradient(ellipse at top, #0f172a 0%, #020617 100%);
    --surface-glass: rgba(15, 23, 42, 0.85);
    --surface-card: rgba(30, 41, 59, 0.9);
    --surface-elevated: rgba(51, 65, 85, 0.95);
    --surface-overlay: rgba(0, 0, 0, 0.8);
    
    /* Professional Text Colors */
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --text-accent: #60a5fa;
    --text-success: #34d399;
    --text-warning: #fbbf24;
    --text-danger: #f87171;
    
    /* Enhanced Border System */
    --border-primary: rgba(255, 255, 255, 0.15);
    --border-secondary: rgba(255, 255, 255, 0.1);
    --border-accent: rgba(59, 130, 246, 0.4);
    --border-glow: rgba(59, 130, 246, 0.6);
    
    /* Advanced Shadow System */
    --shadow-subtle: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-soft: 0 4px 6px -1px rgba(0, 0, 0, 0.15), 0 2px 4px -1px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 10px 15px -3px rgba(0, 0, 0, 0.2), 0 4px 6px -2px rgba(0, 0, 0, 0.1);
    --shadow-large: 0 20px 25px -5px rgba(0, 0, 0, 0.25), 0 10px 10px -5px rgba(0, 0, 0, 0.08);
    --shadow-glow: 0 0 40px rgba(59, 130, 246, 0.2);
    --shadow-intense: 0 25px 50px -12px rgba(0, 0, 0, 0.35);
    
    /* Spacing System */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-3xl: 2rem;
    
    /* Typography */
    --font-sans: 'Inter', system-ui, sans-serif;
    --font-mono: 'JetBrains Mono', 'Courier New', monospace;
    --font-serif: 'Playfair Display', serif;
    
    /* Transitions */
    --transition-quick: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bouncy: 500ms cubic-bezier(0.68, -0.55, 0.265, 1.55);
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary-blue) 0%, var(--accent-cyan) 100%);
    --gradient-secondary: linear-gradient(135deg, var(--accent-emerald) 0%, var(--accent-teal) 100%);
    --gradient-accent: linear-gradient(135deg, var(--accent-amber) 0%, var(--accent-rose) 100%);
    --gradient-purple: linear-gradient(135deg, var(--accent-purple) 0%, var(--primary-blue) 100%);
    --gradient-surface: linear-gradient(135deg, rgba(30, 64, 175, 0.1) 0%, rgba(6, 182, 212, 0.1) 100%);

    /* Calc specific vars for old cal.css rules (mapping to new theme) */
    --calc-bg-main: var(--body-bg); /* Use the body background for main calculator content areas */
    --calc-bg-section: var(--surface-card); /* For fieldsets and main sections */
    --calc-bg-input: var(--surface-elevated); /* For inputs and select */
    --calc-bg-hover: rgba(59, 130, 246, 0.1); /* General hover effect based on primary blue */
    --calc-border-color: var(--border-primary);
    --calc-text-main: var(--text-secondary);
    --calc-text-muted: var(--text-muted);
    --calc-text-header: var(--text-primary); /* Main headers should be primary text */
    --calc-accent-color: var(--primary-blue-light); /* Accent for highlights */
    
    --btn-blue-bg: var(--primary-blue-light); /* Direct mapping for existing buttons */
    --btn-green-bg: var(--accent-emerald);
    --btn-brown-bg: var(--accent-amber);
    --btn-gray-bg: var(--text-muted);

    /* Legacy vars, mapped or removed */
    --container-bg: var(--surface-glass);
    --text-color: var(--text-secondary);
    --border-color: var(--border-primary);
    --input-bg: var(--surface-elevated);
    --input-text: var(--text-primary);
    --input-border: var(--border-primary);
    --input-focus-border: var(--border-glow);
    --input-focus-shadow: rgba(59, 130, 246, 0.15);
    --placeholder-color: var(--text-muted);
    --readonly-bg: rgba(51, 65, 85, 0.5); /* A lighter elevated surface for readonly */
    --header-color: var(--text-accent); /* Header colors with accent */
    --link-color: var(--text-accent);
    --accent-red: var(--accent-rose);
    --loader-color: var(--primary-blue);
    --sidebar-bg: var(--surface-glass);
    --hover-bg: rgba(59, 130, 246, 0.1); /* Consistent hover */
    --active-bg: rgba(59, 130, 246, 0.2);
    --accent-color: var(--primary-blue-light);
    --border-color-light: var(--border-secondary);
    --tooltip-bg: var(--surface-elevated);
    --tooltip-text-color: var(--text-primary);
    --shadow: var(--shadow-medium);
}

/* Base styles from dose-adjuster.html */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    height: 100%;
}

body {
    font-family: var(--font-sans);
    background: var(--body-bg);
    color: var(--text-secondary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100%;
    padding: 0; /* Ensures no padding on body */
    overflow-x: hidden; /* Prevent horizontal scroll from background animation */
}

/* Advanced Animated Background from dose-adjuster.html */
.professional-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
    overflow: hidden;
}

.professional-bg::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 30%, rgba(59, 130, 246, 0.12) 0%, transparent 60%),
        radial-gradient(circle at 80% 70%, rgba(6, 182, 212, 0.12) 0%, transparent 60%),
        radial-gradient(circle at 50% 50%, rgba(16, 185, 129, 0.08) 0%, transparent 70%),
        radial-gradient(circle at 30% 80%, rgba(139, 92, 246, 0.08) 0%, transparent 50%);
    animation: breathe 20s ease-in-out infinite;
}

.professional-bg::after {
    content: '';
    position: absolute;
    width: 150%;
    height: 150%;
    top: -25%;
    left: -25%;
    background: 
        linear-gradient(60deg, transparent 30%, rgba(59, 130, 246, 0.02) 50%, transparent 70%),
        linear-gradient(120deg, transparent 30%, rgba(6, 182, 212, 0.02) 50%, transparent 70%),
        conic-gradient(from 0deg at 50% 50%, transparent 0deg, rgba(139, 92, 246, 0.01) 180deg, transparent 360deg);
    animation: drift 40s linear infinite;
}

@keyframes breathe {
    0%, 100% { opacity: 1; transform: scale(1) rotate(0deg); }
    50% { opacity: 0.9; transform: scale(1.05) rotate(0deg); }
}

@keyframes drift {
    from { transform: rotate(0deg) scale(1); }
    to { transform: rotate(360deg) scale(1); }
}

/* Functional Buttons (fixed outside main container) */
.functional-buttons {
    position: fixed;
    top: var(--space-6); /* 1.5rem from top */
    left: 50%;
    transform: translateX(-50%); /* Center horizontally */
    max-width: calc(1400px - (var(--space-6) * 2)); /* Match max width of main content minus its own padding */
    width: calc(100% - (var(--space-6) * 2)); /* Fluid width on smaller screens */
    display: flex;
    justify-content: center;
    gap: var(--space-3);
    z-index: 1000;
    padding: var(--space-2);
    background: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-soft);
}

.functional-buttons a,
.functional-buttons button {
    width: 40px;
    height: 40px;
    background: var(--surface-card);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all var(--transition-smooth);
    box-shadow: var(--shadow-medium);
    cursor: pointer;
    position: relative;
    overflow: visible; /* To allow tooltips to show */
}

.functional-buttons a::before,
.functional-buttons button::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity var(--transition-smooth);
}

.functional-buttons a:hover,
.functional-buttons button:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: var(--shadow-large), var(--shadow-glow);
    border-color: var(--border-glow);
    color: var(--text-primary);
}

.functional-buttons svg {
    position: relative;
    z-index: 2;
}

/* Language switcher dropdown */
#language-switcher-button { /* Use the button's ID for specific styling */
    position: relative;
}

#lang-dropdown {
    display: none; /* Controlled by JS show/hide */
    position: absolute;
    top: calc(100% + 10px);
    left: 50%;
    transform: translateX(-50%);
    background: var(--surface-elevated);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-medium);
    border: 1px solid var(--border-primary);
    z-index: 1015;
    width: auto;
    min-width: 100%;
    max-width: 300px;
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-smooth), transform var(--transition-smooth);
}

#lang-dropdown.show {
    display: block; /* Overridden by JS 'show' class */
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

#lang-dropdown a {
    color: var(--text-secondary);
    padding: var(--space-3) var(--space-6);
    text-decoration: none;
    display: block;
    font-size: 0.95rem;
    transition: background-color var(--transition-quick), color var(--transition-quick);
    text-align: left;
    white-space: nowrap;
    min-width: max-content;
    box-sizing: border-box;
    /* Reset button styles if a is used for dropdown items */
    width: auto;
    height: auto;
    background: transparent;
    border: none;
    box-shadow: none;
    border-radius: 0;
}

#lang-dropdown a:hover {
    background-color: var(--primary-blue-dark);
    color: var(--text-primary);
}


/* Tooltips */
.tooltip {
    position: relative;
}

.tooltip .tooltiptext {
    visibility: hidden;
    width: auto;
    white-space: nowrap;
    background: var(--surface-elevated);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    color: var(--text-primary);
    text-align: center;
    border-radius: var(--radius-lg);
    padding: var(--space-2) var(--space-3);
    position: absolute;
    z-index: 1010;
    top: 125%;
    left: 50%;
    transform: translateX(-50%);
    opacity: 0;
    transition: opacity var(--transition-smooth);
    border: 1px solid var(--border-primary);
    font-size: 0.75rem;
    font-weight: 500;
    box-shadow: var(--shadow-medium);
}

.tooltip:hover .tooltiptext {
    visibility: visible;
    opacity: 1;
}

/* Main Content Container (now the "glass" panel) */
#unified-medical-calculator-container {
    max-width: 1400px;
    /* Margin top to create space BETWEEN the top of the body/window and the *start* of this glass panel */
    /* This value should be functional-buttons height + its top + desired gap */
    margin-top: calc(var(--space-6) + 40px + var(--space-8)); /* top:0 + btn_height:40px + extra_space:2rem */
    margin-left: auto;
    margin-right: auto;
    margin-bottom: var(--space-8); /* Space below the document */
    width: 100%;
    position: relative;
    background: var(--surface-glass);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-3xl);
    box-shadow: var(--shadow-large), var(--shadow-glow);
    
    /* Crucial padding to create space *inside* the glass panel for fixed buttons to sit in */
    padding-top: calc(40px + var(--space-6) + var(--space-8)); /* button_height + functional_buttons_top_offset_from_itself + standard_section_padding */
    padding-right: var(--space-8);
    padding-bottom: var(--space-8);
    padding-left: var(--space-8);
}


/* Calculator Header */
.calculator-header {
    text-align: center;
    margin-bottom: var(--space-6);
    padding: var(--space-5) var(--space-4);
}

.calculator-header h1 {
    font-family: var(--font-serif);
    font-size: clamp(1.5rem, 3vw, 2.2rem);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-4);
    letter-spacing: -0.02em;
    line-height: 1.1;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 30px rgba(59, 130, 246, 0.3);
}

.calculator-header p {
    font-size: clamp(1rem, 2.5vw, 1.2rem);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
    font-weight: 400;
}

/* Fieldsets and Forms */
fieldset {
    background: var(--surface-card);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-2xl);
    padding: var(--space-8);
    margin-bottom: var(--space-8);
    box-shadow: var(--shadow-medium);
    position: relative;
    overflow: hidden;
}

fieldset::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-primary);
    opacity: 0.8;
}

legend {
    font-weight: 700;
    font-size: 1.3rem;
    color: var(--text-primary);
    padding: 0 var(--space-4);
    margin-bottom: var(--space-6);
    background: var(--surface-elevated);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-xl);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-6);
    margin-bottom: var(--space-6);
}

.form-group {
    display: flex;
    flex-direction: column; /* Default: stack label on top of input */
    gap: var(--space-2);
}

/* СТИЛЬ ДЛЯ ПОЛЕЙ КРЕАТИНИНА: Метка сверху, поля ввода/выбора рядом */
.form-group-creatinine {
    display: flex;
    flex-direction: column; /* Label on top */
    gap: var(--space-2);
}

.form-group-creatinine > label {
    margin-bottom: 0; /* Adjust margin if needed to pull closer to elements below */
}

/* Контейнер для input и select, чтобы они были рядом */
.form-group-creatinine .flex {
    display: flex;
    gap: var(--space-2);
    flex-grow: 1; /* Allow this flex container to fill its grid cell */
}

/* Стиль для самого input и select внутри контейнера */
.form-group-creatinine input[type="number"],
.form-group-creatinine select {
    flex: 1 1 0%; /* Allow them to grow/shrink equally and have a base of 0 */
    width: auto !important; /* Crucial override for width: 100% on inputs/selects */
    /* Remove redundant border-radius classes from HTML if you want them styled here */
}

/* Если нужно убрать скругления между ними и сделать одну общую границу */
.form-group-creatinine input[type="number"] {
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
    border-right: none;
}

.form-group-creatinine select {
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
}


label {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.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;
}

/* General input styling */
input[type="text"],
input[type="number"],
input[type="date"], /* Added for cal.html */
input[type="password"], /* Added for cal.html */
select,
textarea,
.modal-search-input { /* Added for cal.html */
    padding: var(--space-4) var(--space-5);
    background: var(--surface-elevated);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    font-size: 1rem;
    transition: all var(--transition-smooth);
    box-shadow: var(--shadow-subtle);
    width: 100%; /* Default width for most inputs/selects */
    box-sizing: border-box; /* Ensures padding/border don't add to width */
}


/* Ensure hidden file inputs are properly hidden */
input[type="file"].hidden {
    display: none !important;
    visibility: hidden !important;
    position: absolute;
    width: 0;
    height: 0;
    overflow: hidden;
    padding: 0; /* Ensure no padding affects its size */
    border: none; /* Ensure no border affects its size */
    margin: 0; /* Ensure no margin affects its size */
}


input[type="text"]:focus,
input[type="number"]:focus,
input[type="date"]:focus,
input[type="password"]:focus,
select:focus,
textarea:focus,
.modal-search-input:focus {
    outline: none;
    border-color: var(--border-glow);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15), var(--shadow-soft);
    background: rgba(51, 65, 85, 0.98);
}

input::placeholder,
textarea::placeholder {
    color: var(--text-muted);
}

input[readonly], 
textarea[readonly], 
select[disabled], 
input:disabled, 
textarea:disabled { 
    background-color: var(--readonly-bg); 
    cursor: not-allowed; 
    color: var(--placeholder-color); 
}

/* Calculation Buttons */
.calc-button {
    padding: var(--space-4) var(--space-8);
    border: none;
    border-radius: var(--radius-xl);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-smooth);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-soft);
}

.calc-button.primary {
    background: var(--gradient-primary);
    color: white;
}

.calc-button.primary:hover {
    transform: translateY(-3-5px) scale(1.05);
    box-shadow: var(--shadow-large);
    background: var(--gradient-secondary);
}

.calc-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left var(--transition-smooth);
}

.calc-button:hover::before {
    left: 100%;
}

.calc-button > * {
    position: relative;
    z-index: 2;
}

/* --- ДОБАВЛЕНО/ИЗМЕНЕНО: Стиль для отключенной кнопки в демо-режиме --- */
.calc-button.disabled-for-demo {
    opacity: 0.6;
    cursor: not-allowed;
    filter: grayscale(80%);
    pointer-events: none; /* Предотвращает события мыши */
}
/* --- КОНЕЦ ДОБАВЛЕНИЯ/ИЗМЕНЕНИЯ --- */

/* Result sections */
#results-container { /* Renamed from #results for cal.html */
    background: var(--surface-elevated);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-2xl);
    padding: var(--space-8);
    margin-bottom: var(--space-8);
    box-shadow: var(--shadow-medium);
    position: relative;
    overflow: hidden;
}

#results-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-primary);
    opacity: 0.8;
}

#results-container h2 {
    font-weight: 700;
    font-size: 1.3rem;
    color: var(--text-primary);
    padding: 0 var(--space-4);
    margin-bottom: var(--space-6);
    background: var(--surface-elevated);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-xl);
    display: inline-block; /* To make legend styles apply */
}

#results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-6);
}

.result-card {
    background: var(--surface-card);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    box-shadow: var(--shadow-subtle);
}

.result-card h3 {
    color: var(--text-primary); /* Adjusted from #D2B48C */
    font-weight: 700;
    margin-bottom: var(--space-3);
    font-size: 1.1rem;
}

.result-card .score-display {
    background: var(--gradient-primary);
    color: white;
    padding: var(--space-4);
    border-radius: var(--radius-md);
    text-align: center;
    font-size: 1.25rem;
    font-weight: 700;
    margin: var(--space-4) 0;
    box-shadow: var(--shadow-soft);
}

.recommendations {
    background: rgba(59, 130, 246, 0.1);
    padding: var(--space-4);
    border-radius: var(--radius-md);
    margin-top: var(--space-4);
    border-left: 4px solid var(--primary-blue-light);
    color: var(--text-secondary);
}

.recommendations h4 {
    color: var(--text-primary);
    margin-bottom: var(--space-2);
}

.recommendations ul {
    margin-left: var(--space-4);
    list-style-type: disc;
    font-size: 0.9rem;
}

.recommendations li {
    margin-bottom: var(--space-2);
}

/* Risk levels */
.risk-low { color: var(--text-success); font-weight: 600; }
.risk-moderate { color: var(--text-warning); font-weight: 600; }
.risk-high { color: var(--text-danger); font-weight: 600; }
.risk-very-high { color: var(--text-danger); font-weight: 700; }


/* Specific for cal.html elements */
#personal-data-block {
    background: var(--surface-card);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-2xl);
    padding: var(--space-8);
    margin-bottom: var(--space-8);
    box-shadow: var(--shadow-medium);
    position: relative;
    overflow: hidden;
}

#personal-data-block::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-primary);
    opacity: 0.8;
}

.nosology-accordion,
.calculator-accordion-item {
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-xl);
    margin-bottom: var(--space-4);
    overflow: hidden;
    transition: all var(--transition-smooth);
    background-color: var(--surface-card);
    box-shadow: var(--shadow-subtle);
}

.nosology-accordion.active,
.calculator-accordion-item.active {
    box-shadow: var(--shadow-medium), var(--shadow-glow);
    border-color: var(--border-glow);
}

.nosology-header,
.calculator-accordion-header {
    display: flex;
    align-items: center;
    padding: var(--space-4) var(--space-5);
    cursor: pointer;
    background-color: var(--surface-elevated);
    border-bottom: 1px solid var(--border-primary);
    width: 100%;
    text-align: left;
    transition: background-color var(--transition-quick);
}

.nosology-header:hover,
.calculator-accordion-header:hover {
    background-color: rgba(59, 130, 246, 0.1);
}

.nosology-title,
.calculator-accordion-header .calc-title {
    flex-grow: 1;
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-right: var(--space-3);
}

/* Checkbox and Radio button styling for visibility */
.nosology-header input[type="checkbox"],
.calculator-accordion-header input[type="checkbox"],
.checkbox-grid input[type="checkbox"],
.checkbox-grid input[type="radio"],
.calculator-content .form-group input[type="radio"], /* Added for general radio buttons */
.calculator-content .form-group input[type="checkbox"] { /* Added for general checkboxes */
    flex-shrink: 0;
    margin-right: 0; /* Remove old margin as gap will handle spacing */
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    width: 1.25em;
    height: 1.25em;
    border-width: 1px;
    background-color: rgba(255, 255, 255, 0.1); /* Lighter transparent background for better visibility */
    border-color: var(--text-muted); /* More visible border color for unchecked state */
    display: inline-block;
    position: relative;
    vertical-align: middle;
    cursor: pointer;
    transition: all var(--transition-quick);
}

.nosology-header input[type="checkbox"],
.calculator-accordion-header input[type="checkbox"] {
    border-radius: var(--radius-sm); /* Keep square for checkboxes */
    min-width: 20px;
    min-height: 20px;
    margin-right: var(--space-3); /* Maintain larger margin for header checkboxes */
}

.checkbox-grid input[type="radio"],
.calculator-content .form-group input[type="radio"] { /* Added */
    border-radius: 50%; /* Keep round for radio buttons */
}

.nosology-header input[type="checkbox"]:checked,
.calculator-accordion-header input[type="checkbox"]:checked,
.checkbox-grid input[type="checkbox"]:checked,
.checkbox-grid input[type="radio"]:checked,
.calculator-content .form-group input[type="radio"]:checked, /* Added */
.calculator-content .form-group input[type="checkbox"]:checked { /* Added */
    background-color: var(--primary-blue-light);
    border-color: var(--primary-blue-light);
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.3); /* Slightly larger, more opaque shadow */
}

.nosology-header input[type="checkbox"]:checked::after,
.calculator-accordion-header input[type="checkbox"]:checked::after,
.checkbox-grid input[type="checkbox"]:checked::after,
.calculator-content .form-group input[type="checkbox"]:checked::after { /* Added */
    content: '✓';
    display: block;
    color: white;
    font-size: 0.9em; /* Adjust font size relative to element size */
    font-weight: bold;
    text-align: center;
    line-height: 1.25em; /* Match height for vertical centering */
    text-shadow: 0 0 4px rgba(0,0,0,0.9); /* Stronger shadow for better visibility */
}

.checkbox-grid input[type="radio"]:checked::after,
.calculator-content .form-group input[type="radio"]:checked::after { /* Added */
    content: '';
    display: block;
    width: 0.6em;
    height: 0.6em;
    border-radius: 50%;
    background: white;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    box-shadow: 0 0 4px rgba(0,0,0,0.9); /* Stronger shadow for better visibility */
}


.nosology-toggle-icon svg,
.info-button svg {
    color: var(--text-muted);
    width: 24px;
    height: 24px;
    transition: transform var(--transition-smooth), color var(--transition-quick);
}

.nosology-header:hover .nosology-toggle-icon svg,
.info-button:hover svg {
    color: var(--text-accent);
}

.nosology-content,
.calculator-content {
    max-height: 0;
    overflow: hidden;
    padding: 0 var(--space-5);
    transition: max-height 0.4s ease-out, padding 0.4s ease-out;
    background-color: var(--surface-card);
}

.nosology-content.active,
.calculator-content.active {
    max-height: 5000px; /* Arbitrarily large value */
    padding: var(--space-5);
    border-top: 1px solid var(--border-secondary);
}

.nosology-header.active .nosology-toggle-icon {
    transform: rotate(180deg);
}

/* Wells (ТГВ) and other checkbox-grid issues fix */
.checkbox-grid {
    display: grid;
    /* Adjusted minmax for better fitting of text and responsiveness */
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); 
    gap: var(--space-4);
    margin-bottom: var(--space-4);
}

.checkbox-grid label {
    display: flex;
    align-items: center;
    gap: var(--space-3); /* Increased spacing for checkbox/radio and text */
    font-size: 0.9rem;
    color: var(--text-secondary);
    padding: var(--space-2) 0;
    white-space: normal; /* Ensure text wraps within labels */
}

/* Specific rule for form-group labels that contain input and text directly (e.g., Killip, Framingham radio buttons) */
.calculator-content .form-group label {
    display: flex;
    align-items: center;
    gap: var(--space-3); /* Ensure spacing between input and text */
}

/* Special button for "Send to Report" */
#btn-send-to-report {
    background: linear-gradient(135deg, #2980b9 0%, #3498db 100%); /* A custom gradient for distinction */
    color: white;
    border: none;
}

#btn-send-to-report:hover {
    background: linear-gradient(135deg, #3498db 0%, #5dade2 100%);
    box-shadow: var(--shadow-large);
}

/* Footer */
footer.document-footer {
    margin-top: var(--space-8);
    padding-top: var(--space-6);
    border-top: 1px solid var(--border-secondary);
    font-size: 0.85rem;
    color: var(--text-muted);
    text-align: center;
}

/* Modals */
#info-modal-overlay {
    display: none; /* <--- ЭТО САМАЯ ВАЖНАЯ СТРОКА! Она скроет окно по умолчанию. */
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    z-index: 1000;
    justify-content: center;
    align-items: center;
    padding: 15px;
}

#info-modal {
    background: var(--surface-card);
    color: var(--text-secondary);
    padding: var(--space-6);
    border-radius: var(--radius-xl);
    max-width: 800px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-large);
    position: relative;
    border: 1px solid var(--border-primary);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
}

#info-modal-close {
    position: absolute;
    top: var(--space-3);
    right: var(--space-4);
    background: none;
    border: none;
    font-size: 1.8rem;
    font-weight: bold;
    cursor: pointer;
    color: var(--text-muted);
    transition: color var(--transition-quick);
}

#info-modal-close:hover {
    color: var(--text-danger);
}

#info-modal-title {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 var(--space-4) 0;
    padding-bottom: var(--space-3);
    border-bottom: 2px solid var(--border-secondary);
}

#info-modal-content h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-accent);
    margin-top: var(--space-5);
    margin-bottom: var(--space-3);
}

#info-modal-content ul,
#info-modal-content ol {
    padding-left: var(--space-6);
    line-height: 1.6;
    font-size: 0.9rem;
}

#info-modal-content li {
    margin-bottom: var(--space-2);
}

.alert {
    background-color: rgba(245, 158, 11, 0.1);
    border-left: 4px solid var(--accent-amber);
    padding: var(--space-3);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-4);
    color: var(--text-warning);
}

.alert strong {
    color: var(--text-warning);
}

/* Responsive adjustments from dose-adjuster.html */
@media (max-width: 768px) {
    body {
        padding: 0;
    }
    /* Main content container on mobile */
    #unified-medical-calculator-container {
        width: 100%;
        margin: 0; /* Remove side margins on mobile */
        padding: var(--space-6); /* Base padding */
        border-radius: 0; /* Remove border-radius on mobile for full width */
        /* Adjusted padding-top to account for fixed functional buttons on mobile */
        padding-top: calc(var(--space-6) + 48px + var(--space-1)); /* Button top offset + mobile button height + spacing */
    }
    
    .functional-buttons { /* Target the fixed functional buttons */
        padding: var(--space-1) var(--space-4);
        width: calc(100% - (var(--space-4) * 2)); /* Account for body padding */
        max-width: none; /* Allow it to stretch */
    }
    
    .functional-buttons a,
    .functional-buttons button {
        width: 48px;
        height: 48px;
    }

    .calculator-header {
        margin-bottom: var(--space-4);
        padding: var(--space-4);
    }

    .calculator-header h1 {
        font-size: clamp(1.2rem, 5vw, 1.8rem);
        margin-bottom: var(--space-3);
    }

    .calculator-header p {
        font-size: clamp(0.9rem, 2.5vw, 1rem);
    }

    /* Cal.html specific mobile adjustments */
    .form-grid, #personal-data-block .grid {
        grid-template-columns: 1fr !important;
        gap: var(--space-3) !important;
    }
    .calculator-accordion-header {
        padding: var(--space-3) var(--space-4);
    }
    .calculator-accordion-header .calc-title {
        font-size: 0.9rem;
    }
    .calculator-content {
        padding: var(--space-4) !important;
    }
    .checkbox-grid {
        grid-template-columns: 1fr !important; /* Force single column on small screens */
        gap: var(--space-3);
    }
    #info-modal {
        width: 95%;
        padding: var(--space-5);
        margin: var(--space-3);
    }
    #results-grid {
        grid-template-columns: 1fr !important;
    }
    #lang-dropdown { /* Adjust dropdown on mobile */
        width: calc(100vw - var(--space-6) * 2);
        max-width: 300px;
    }
    .functional-buttons {
        box-shadow: var(--shadow-soft);
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    #personal-data-block .grid {
        grid-template-columns: repeat(2, 1fr) !important;
    }
    .checkbox-grid {
        grid-template-columns: repeat(2, 1fr) !important;
    }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation: none !important;
        transition: none !important;
    }
    .professional-bg {
        display: none;
    }
}

@media (prefers-contrast: high) {
    :root {
        --border-primary: rgba(255, 255, 255, 0.8);
        --border-secondary: rgba(255, 255, 255, 0.6);
        --text-secondary: #e5e7eb;
    }
}

/* Print styles */
@media print {
    .professional-bg,
    .functional-buttons,
    .no-print,
    .info-button,
    .nosology-header input, 
    .nosology-toggle-icon,
    .calculator-accordion-header input,
    #page-footer {
        display: none !important;
        visibility: hidden !important;
    }
    
    body {
        background: white;
        color: black;
        padding: 20px !important; /* Ensure some padding for print */
        font-size: 10pt !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }
    
    #unified-medical-calculator-container {
        background: white !important;
        border: none !important;
        box-shadow: none !important;
        max-width: none !important;
        width: 100% !important;
        margin: 0 !important;
        padding: 0 !important;
        border-radius: 0 !important;
    }

    #print-header {
        display: block !important;
        margin-bottom: 20px;
        padding-bottom: 10px;
        border-bottom: 1px solid #000 !important;
        color: #000 !important;
    }
    #print-header h1, #print-header p {
        color: #000 !important;
        margin: 5px 0;
    }

    #personal-data-block {
        display: none !important; /* Hide input section for print */
    }

    .nosology-accordion, 
    .calculator-accordion-item {
        border: 1px solid #ccc !important;
        page-break-inside: avoid;
        background-color: #f8f8f8 !important; /* Light background for sections */
    }

    .nosology-header,
    .calculator-accordion-header {
        background-color: #eee !important;
        border-bottom: 1px solid #ccc !important;
        color: #000 !important;
        font-weight: bold !important;
    }

    .nosology-title,
    .calculator-accordion-header .calc-title {
        color: #000 !important;
    }
    
    .nosology-content, 
    .calculator-content {
        display: block !important;
        max-height: none !important;
        padding: 10px !important;
        background-color: white !important;
        border-top: none !important;
    }

    #results-container {
        display: block !important;
        background-color: white !important;
        border: none !important;
        box-shadow: none !important;
        padding: 0 !important;
        margin-top: 20px !important;
    }
    #results-container::before {
        display: none; /* Remove gradient line for print */
    }

    #results-container h2 {
        background: none !important;
        border: none !important;
        box-shadow: none !important;
        color: #000 !important;
        padding: 0 !important;
        margin-bottom: 10px !important;
    }

    #results-grid {
        grid-template-columns: 1fr !important;
        gap: 15px !important;
    }

    .result-card {
        background-color: white !important;
        border: 1px solid #ccc !important;
        box-shadow: none !important;
        page-break-inside: avoid;
    }

    .result-card h3 {
        color: #000 !important;
    }

    .result-card .score-display {
        background: #e0e0e0 !important; /* Simple grey for print */
        color: #000 !important;
        box-shadow: none !important;
    }

    .recommendations {
        background: #f0f0f0 !important;
        border-left-color: #60a5fa !important;
        color: #000 !important;
    }
    .recommendations h4 {
        color: #000 !important;
    }
    .recommendations ul {
        color: #000 !important;
    }

    .risk-low, .risk-moderate, .risk-high, .risk-very-high {
        color: inherit !important; /* Ensure black for print */
    }
}