/* 🎨 HAPP ML Demo - Современные стили */

/* === ЦВЕТОВАЯ ПАЛИТРА === */
:root {
    --primary-color: #2C3E50;      /* тёмно-синий */
    --accent-color: #3498DB;       /* синий */
    --success-color: #27AE60;      /* зелёный */
    --warning-color: #F39C12;      /* оранжевый */
    --error-color: #E74C3C;        /* красный */
    --background-color: #F8F9FA;   /* светло-серый */
    --text-color: #2C3E50;         /* тёмно-синий */
    --border-color: #E9ECEF;       /* светло-серый */
    --shadow-color: rgba(44, 62, 80, 0.1);
    --white: #FFFFFF;
    --light-gray: #F8F9FA;
    --medium-gray: #6C757D;
    --dark-gray: #495057;
}

/* === БАЗОВЫЕ СТИЛИ === */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background-color);
    font-size: 14px;
}

/* === КОНТЕЙНЕР === */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
    min-height: 100vh;
}

/* === ЗАГОЛОВОК === */
.header {
    text-align: center;
    margin-bottom: 30px;
    padding: 30px 0;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: var(--white);
    border-radius: 12px;
    box-shadow: 0 8px 25px var(--shadow-color);
}

.header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 10px;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.header p {
    font-size: 1.1rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

/* === ОСНОВНОЙ LAYOUT === */
.demo-layout {
    display: grid;
    grid-template-columns: 350px 1fr;
    gap: 30px;
    margin-top: 20px;
}

/* === ПАНЕЛЬ УПРАВЛЕНИЯ === */
.controls-panel {
    background: var(--white);
    border-radius: 12px;
    padding: 25px;
    box-shadow: 0 4px 15px var(--shadow-color);
    height: fit-content;
    position: sticky;
    top: 20px;
}

.controls-panel h2 {
    color: var(--primary-color);
    margin-bottom: 20px;
    font-size: 1.4rem;
    font-weight: 600;
    border-bottom: 2px solid var(--accent-color);
    padding-bottom: 10px;
}

/* === ГРУППЫ ФОРМЫ === */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--primary-color);
    font-size: 0.9rem;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    background: var(--white);
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

/* === РАЗМЕРЫ ЭТАЖА === */
.floor-dimensions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

/* === СЕКЦИИ ПОМЕЩЕНИЙ === */
.room-section {
    background: var(--light-gray);
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 15px;
    border-left: 4px solid var(--accent-color);
}

.room-section h3 {
    color: var(--primary-color);
    margin-bottom: 12px;
    font-size: 1rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.room-section h3::before {
    content: "🏢";
    font-size: 1.2rem;
}

.room-section.meeting h3::before { content: "🤝"; }
.room-section.kitchen h3::before { content: "🍽️"; }
.room-section.restroom h3::before { content: "🚻"; }
.room-section.server h3::before { content: "💾"; }

.room-controls {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 10px;
    align-items: end;
}

/* === БЫСТРЫЕ СЦЕНАРИИ === */
.scenarios-section {
    margin-bottom: 25px;
}

.scenarios-buttons {
    display: grid;
    grid-template-columns: 1fr;
    gap: 8px;
}

.scenario-btn {
    padding: 10px 15px;
    background: var(--light-gray);
    border: 2px solid var(--border-color);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.85rem;
    font-weight: 500;
    text-align: left;
}

.scenario-btn:hover {
    background: var(--accent-color);
    color: var(--white);
    border-color: var(--accent-color);
    transform: translateY(-1px);
}

/* === КНОПКИ === */
.button {
    padding: 15px 25px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 50px;
}

.button-primary {
    background: linear-gradient(135deg, var(--accent-color), #2980B9);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(52, 152, 219, 0.3);
}

.button-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(52, 152, 219, 0.4);
}

.button-primary:active {
    transform: translateY(0);
}

.button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

/* === ИНДИКАТОР ЗАГРУЗКИ === */
.loading {
    display: none;
    align-items: center;
    justify-content: center;
    gap: 10px;
    color: var(--accent-color);
    font-weight: 500;
}

.loading.active {
    display: flex;
}

.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-color);
    border-top: 2px solid var(--accent-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* === ПАНЕЛЬ РЕЗУЛЬТАТОВ === */
.result-panel {
    background: var(--white);
    border-radius: 12px;
    padding: 25px;
    box-shadow: 0 4px 15px var(--shadow-color);
    min-height: 600px;
}

.result-panel h2 {
    color: var(--primary-color);
    margin-bottom: 20px;
    font-size: 1.4rem;
    font-weight: 600;
    border-bottom: 2px solid var(--success-color);
    padding-bottom: 10px;
}

/* === КОНТЕЙНЕР SVG === */
.svg-container {
    background: var(--light-gray);
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 25px;
    text-align: center;
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px dashed var(--border-color);
    transition: all 0.3s ease;
}

.svg-container.has-content {
    border-style: solid;
    border-color: var(--success-color);
    background: var(--white);
}

.svg-container svg {
    max-width: 100%;
    height: auto;
    border-radius: 4px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.empty-state {
    color: var(--medium-gray);
    font-size: 1.1rem;
    text-align: center;
}

.empty-state::before {
    content: "📐";
    display: block;
    font-size: 3rem;
    margin-bottom: 15px;
    opacity: 0.5;
}

/* === СЕТКА МЕТРИК === */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin-bottom: 20px;
}

/* === КАРТОЧКИ МЕТРИК === */
.metric-card {
    background: var(--light-gray);
    border-radius: 8px;
    padding: 20px;
    text-align: center;
    border-left: 4px solid var(--accent-color);
    transition: all 0.3s ease;
}

.metric-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px var(--shadow-color);
}

.metric-card.success {
    border-left-color: var(--success-color);
}

.metric-card.warning {
    border-left-color: var(--warning-color);
}

.metric-card.error {
    border-left-color: var(--error-color);
}

.metric-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 5px;
    display: block;
}

.metric-label {
    font-size: 0.9rem;
    color: var(--medium-gray);
    font-weight: 500;
}

/* === СЕКЦИЯ СРАВНЕНИЯ === */
.comparison-section {
    background: var(--light-gray);
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 20px;
}

.comparison-section h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 1.1rem;
}

.comparison-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.comparison-item {
    text-align: center;
    padding: 15px;
    background: var(--white);
    border-radius: 6px;
}

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

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

.comparison-value {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 5px;
}

.comparison-label {
    font-size: 0.85rem;
    color: var(--medium-gray);
}

/* === ЭКСПОРТ === */
.export-section {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
}

.button-secondary {
    background: var(--white);
    color: var(--primary-color);
    border: 2px solid var(--border-color);
}

.button-secondary:hover {
    background: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
}

/* === УВЕДОМЛЕНИЯ === */
.toast {
    position: fixed;
    top: 20px;
    right: 20px;
    background: var(--white);
    color: var(--text-color);
    padding: 15px 20px;
    border-radius: 8px;
    box-shadow: 0 4px 20px var(--shadow-color);
    border-left: 4px solid var(--accent-color);
    z-index: 1000;
    transform: translateX(400px);
    transition: transform 0.3s ease;
    max-width: 350px;
}

.toast.show {
    transform: translateX(0);
}

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

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

.toast.warning {
    border-left-color: var(--warning-color);
}

/* === АДАПТИВНОСТЬ === */

/* Планшеты */
@media (max-width: 768px) {
    .demo-layout {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .controls-panel {
        position: static;
        order: 2;
    }
    
    .result-panel {
        order: 1;
    }
    
    .header h1 {
        font-size: 2rem;
    }
    
    .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .comparison-grid {
        grid-template-columns: 1fr;
    }
}

/* Мобильные устройства */
@media (max-width: 480px) {
    .container {
        padding: 10px;
    }
    
    .controls-panel,
    .result-panel {
        padding: 15px;
    }
    
    .header {
        padding: 20px 15px;
    }
    
    .header h1 {
        font-size: 1.5rem;
    }
    
    .header p {
        font-size: 0.9rem;
    }
    
    .floor-dimensions {
        grid-template-columns: 1fr;
    }
    
    .room-controls {
        grid-template-columns: 1fr;
    }
    
    .metrics-grid {
        grid-template-columns: 1fr;
    }
    
    .scenarios-buttons {
        gap: 5px;
    }
    
    .scenario-btn {
        padding: 8px 12px;
        font-size: 0.8rem;
    }
    
    .button {
        padding: 12px 20px;
        font-size: 0.9rem;
    }
    
    .svg-container {
        padding: 10px;
        min-height: 300px;
    }
}

/* === АНИМАЦИИ === */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.5s ease-out;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.slide-in {
    animation: slideIn 0.3s ease-out;
}

/* === УТИЛИТЫ === */
.hidden {
    display: none !important;
}

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

.text-success {
    color: var(--success-color);
}

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

.text-error {
    color: var(--error-color);
}

.mb-0 { margin-bottom: 0 !important; }
.mb-1 { margin-bottom: 0.5rem !important; }
.mb-2 { margin-bottom: 1rem !important; }
.mb-3 { margin-bottom: 1.5rem !important; }

.mt-0 { margin-top: 0 !important; }
.mt-1 { margin-top: 0.5rem !important; }
.mt-2 { margin-top: 1rem !important; }
.mt-3 { margin-top: 1.5rem !important; }

/* === СКРОЛЛБАР === */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--light-gray);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: var(--medium-gray);
    border-radius: 4px;
}

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

/* === ФОКУС ДЛЯ ДОСТУПНОСТИ === */
.button:focus,
input:focus,
select:focus {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

/* === ПЕЧАТЬ === */
@media print {
    .controls-panel {
        display: none;
    }
    
    .demo-layout {
        grid-template-columns: 1fr;
    }
    
    .result-panel {
        box-shadow: none;
        border: 1px solid var(--border-color);
    }
}