/* Variables & Theme */
:root {
    --bg-dark: #0f172a;
    --bg-darker: #020617;
    --glass-bg: rgba(30, 41, 59, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
    --primary: #38bdf8;
    --primary-hover: #0ea5e9;
    --secondary: #ec4899;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --input-bg: rgba(15, 23, 42, 0.6);
    --input-border: rgba(56, 189, 248, 0.3);
    --danger: #ef4444;
    --success: #10b981;
    --warning: #f59e0b;
}

/* Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

body {
    background-color: var(--bg-darker);
    background-image: 
        radial-gradient(at 0% 0%, rgba(56, 189, 248, 0.15) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(236, 72, 153, 0.15) 0px, transparent 50%);
    background-attachment: fixed;
    color: var(--text-main);
    min-height: 100vh;
    line-height: 1.5;
}

.app-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

/* Glassmorphism Classes */
.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

/* Header */
header {
    padding: 1.5rem 2rem;
    margin-bottom: 2rem;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

h1 {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(to right, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.5px;
}

.subtitle {
    color: var(--text-muted);
    font-size: 1.1rem;
}

.disclaimer {
    font-size: 0.85rem;
    color: var(--danger);
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--glass-border);
}

.badge {
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.5px;
}
.badge-primary { background: rgba(56, 189, 248, 0.2); color: var(--primary); }
.badge-secondary { background: rgba(236, 72, 153, 0.2); color: var(--secondary); }

/* Main Layout */
.main-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

@media (max-width: 1024px) {
    .main-layout {
        grid-template-columns: 1fr;
    }
}

/* Sections */
.input-section {
    padding: 2rem;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--glass-border);
}

.section-header h2 {
    font-size: 1.5rem;
    font-weight: 600;
}

.category-title {
    font-size: 1.2rem;
    color: var(--primary);
    margin: 1.5rem 0 1rem;
    font-weight: 500;
}

.section-help {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

/* Form Grid */
.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.2rem;
}

.input-group.full-width {
    grid-column: 1 / -1;
}

/* Inputs & Labels */
label {
    display: block;
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 0.4rem;
}

input[type="number"], select {
    width: 100%;
    padding: 0.8rem 1rem;
    background: var(--input-bg);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    color: var(--text-main);
    font-size: 1rem;
    transition: all 0.3s ease;
}

input[type="number"]:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.2);
}

input[type="number"]::placeholder {
    color: rgba(148, 163, 184, 0.4);
}

/* Radio Buttons */
.radio-group {
    display: flex;
    gap: 1rem;
    background: var(--input-bg);
    padding: 0.5rem;
    border-radius: 10px;
    border: 1px solid var(--glass-border);
}

.radio-group.horizontal {
    justify-content: space-between;
}

.radio-group label {
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 0.95rem;
    color: var(--text-main);
    padding: 0.3rem 0.5rem;
    border-radius: 6px;
    transition: background 0.2s;
}

.radio-group label:hover {
    background: rgba(255, 255, 255, 0.05);
}

/* Button */
.btn-calculate {
    background: linear-gradient(135deg, var(--primary), #2563eb);
    color: white;
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(56, 189, 248, 0.4);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-calculate:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(56, 189, 248, 0.6);
}

.btn-calculate:active {
    transform: translateY(1px);
}

/* Results Section */
.results-section {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.chart-container, .details-container {
    padding: 2rem;
}

.chart-container h2, .details-container h2 {
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
    text-align: center;
}

.chart-wrapper {
    position: relative;
    height: 400px;
    width: 100%;
}

/* Outcome List */
.outcome-list-header {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 1rem;
    color: var(--text-muted);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-bottom: 1px solid var(--glass-border);
    margin-bottom: 1rem;
}

.outcome-list {
    max-height: 350px;
    overflow-y: auto;
    padding-right: 0.5rem;
}

/* Custom Scrollbar */
.outcome-list::-webkit-scrollbar {
    width: 6px;
}
.outcome-list::-webkit-scrollbar-track {
    background: rgba(0,0,0,0.1);
    border-radius: 10px;
}
.outcome-list::-webkit-scrollbar-thumb {
    background: var(--glass-border);
    border-radius: 10px;
}

.outcome-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    margin-bottom: 0.5rem;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 10px;
    border: 1px solid transparent;
    transition: all 0.2s;
}

.outcome-item:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: var(--glass-border);
    transform: translateX(4px);
}

.outcome-name {
    font-weight: 500;
}

.outcome-score {
    font-family: monospace;
    font-size: 1.1rem;
    font-weight: 600;
}

.score-high { color: var(--danger); }
.score-med { color: var(--warning); }
.score-low { color: var(--success); }

/* Mobile Responsiveness (768px and below) */
@media (max-width: 768px) {
    /* Container & Spacing */
    .app-container {
        padding: 1rem;
    }
    
    header {
        padding: 1rem;
    }
    
    .input-section, .chart-container, .details-container, .info-container {
        padding: 1.2rem;
    }
    
    /* Header Stacking */
    .header-content {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    .subtitle {
        font-size: 1rem;
    }
    
    .header-badges {
        display: flex;
        flex-wrap: wrap;
        gap: 0.5rem;
    }
    
    /* Form Layout adjustments */
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    /* Section Headers */
    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .btn-calculate {
        width: 100%;
        justify-content: center;
    }
    
    /* Radio Groups Stacking */
    .radio-group {
        flex-wrap: wrap;
    }
    
    .radio-group.horizontal {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    /* Outcome List */
    .outcome-item {
        font-size: 0.9rem;
    }
    
    .outcome-score {
        font-size: 1rem;
    }
}

.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--text-muted);
    font-style: italic;
}