/* Delirium Prediction System - Main Styles */

:root {
    /* Color Palette */
    --color-primary: #667eea;
    --color-primary-dark: #764ba2;
    --color-danger: #ff6b6b;
    --color-danger-dark: #ee5a24;
    --color-warning: #ffa726;
    --color-success: #4caf50;
    --color-text: #333;
    --color-text-light: #666;
    --color-text-muted: #4a5568;
    
    /* Spacing */
    --spacing-xs: 8px;
    --spacing-sm: 12px;
    --spacing-md: 20px;
    --spacing-lg: 30px;
    --spacing-xl: 40px;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 25px;
    
    /* Transitions */
    --transition-base: all 0.3s ease;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: url('/image/bc10.webp') no-repeat center center fixed;
    background-size: cover;
    min-height: 100vh;
    padding: var(--spacing-md);
    color: var(--color-text);
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
    z-index: -1;
}

/* Navigation Bar Styles */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(15px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    padding: 15px 0;
    z-index: 1000;
    transition: var(--transition-base);
}

.navbar-container {
    width: 100%;
    margin: 0;
    display: flex;
    align-items: center;
    padding: 0 10px;
    position: relative;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--color-text);
    text-decoration: none;
    font-size: 1.4rem;
    font-weight: 700;
    transition: var(--transition-base);
}

.navbar-brand:hover {
    color: var(--color-danger);
    transform: translateY(-1px);
}

.navbar-brand i {
    font-size: 1.6rem;
    color: var(--color-danger);
}

.navbar-nav {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: var(--spacing-lg);
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

.nav-item {
    position: relative;
}

.nav-link {
    color: var(--color-text);
    text-decoration: none;
    font-weight: 500;
    padding: var(--spacing-xs) 16px;
    border-radius: var(--radius-sm);
    transition: var(--transition-base);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.nav-link:hover {
    color: var(--color-text);
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.nav-link.active {
    color: var(--color-danger);
    background: rgba(255, 107, 107, 0.1);
}

.navbar-actions {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-left: auto;
}

.navbar-lang-toggle {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xs) 16px;
    color: var(--color-text);
    cursor: pointer;
    transition: var(--transition-base);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.9rem;
}

.navbar-lang-toggle:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-1px);
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--color-text);
    font-size: 1.5rem;
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: var(--radius-sm);
    transition: var(--transition-base);
}

.mobile-menu-toggle:hover {
    background: rgba(255, 255, 255, 0.1);
}

@media (max-width: 768px) {
    .navbar-nav {
        position: fixed !important;
        top: 70px;
        left: 0 !important;
        right: 0;
        background: rgba(255, 255, 255, 0.15);
        backdrop-filter: blur(15px);
        border-bottom: 1px solid rgba(255, 255, 255, 0.2);
        flex-direction: column;
        padding: var(--spacing-md);
        gap: 10px;
        transform: translateY(-100%) !important;
        opacity: 0;
        visibility: hidden;
        transition: var(--transition-base);
    }

    .navbar-nav.active {
        transform: translateY(0) !important;
        opacity: 1;
        visibility: visible;
    }

    .mobile-menu-toggle {
        display: block;
    }

    .navbar-actions {
        gap: 10px;
    }
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding-top: 80px;
}

.header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    color: white;
}

.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;
}

.main-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.info-section {
    margin-bottom: var(--spacing-md);
}

.info-section h3 {
    color: white;
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: 10px;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.info-item {
    background: rgba(102, 126, 234, 0.1);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    border: 1px solid rgba(102, 126, 234, 0.2);
    transition: var(--transition-base);
    display: flex;
    align-items: center;
    gap: 15px;
}

.info-item:hover {
    background: rgba(102, 126, 234, 0.15);
    transform: translateY(-2px);
}

.info-item i {
    font-size: 1.5rem;
    color: var(--color-primary);
    min-width: 30px;
}

.info-item div {
    flex: 1;
}

.info-item strong {
    display: block;
    color: #2d3748;
    font-weight: 600;
    margin-bottom: 5px;
    font-size: 0.9rem;
}

.info-item span {
    color: var(--color-text-muted);
    font-size: 0.85rem;
}

/* Card Styles */
.card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.glass-card {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    position: relative;
    z-index: 1;
}

.glass-card h3 {
    color: var(--color-text);
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: 10px;
}

.analysis-card {
    background: rgba(255, 255, 255, 0.85);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    position: relative;
    z-index: 1;
}

.analysis-card h3 {
    color: #2d3748;
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: 10px;
}

.analysis-card h3 i {
    color: var(--color-primary);
    font-size: 1.2rem;
}

.card h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: #2d3748;
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Input Styles */
.input-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.input-group {
    background: rgba(102, 126, 234, 0.05);
    border-radius: 15px;
    padding: var(--spacing-md);
    border: 1px solid rgba(102, 126, 234, 0.1);
    position: relative;
    transition: var(--transition-base);
}

.input-group label {
    display: block;
    color: #2d3748;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    font-size: 0.9rem;
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    gap: 10px;
}

.input-group input {
    flex: 1;
    padding: var(--spacing-sm) 15px;
    border: none;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.9);
    font-size: 1rem;
    transition: var(--transition-base);
}

.input-group input:focus {
    outline: none;
    background: white;
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

.unit {
    color: var(--color-text-muted);
    font-size: 0.85rem;
    font-weight: 500;
    background: rgba(102, 126, 234, 0.1);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    min-width: 70px;
    text-align: center;
    border: 1px solid rgba(102, 126, 234, 0.2);
}

.input-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--spacing-xs);
    gap: 10px;
}

/* Button Styles */
.btn-container {
    text-align: center;
    margin: var(--spacing-xl) 0 var(--spacing-md) 0;
    padding: var(--spacing-md) 0;
}

.predict-btn {
    background: linear-gradient(45deg, var(--color-danger), var(--color-danger-dark));
    color: white;
    border: none;
    padding: 15px var(--spacing-xl);
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-base);
    box-shadow: 0 4px 15px rgba(238, 90, 36, 0.4);
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.predict-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(238, 90, 36, 0.6);
}

.predict-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.predict-btn.secondary {
    background: linear-gradient(45deg, var(--color-primary), var(--color-primary-dark));
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.predict-btn.secondary:hover {
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6);
}

/* See separate files for: */
/* - validation.css: validation status styles */
/* - charts.css: chart and analysis styles */
/* - results.css: prediction results styles */
/* - responsive.css: media queries */