/* Content Atlas Dark Theme */

/* Site Header and Logo */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 1000;
    padding: 15px 20px;
}

.logo-link {
    display: inline-block;
    text-decoration: none;
    transition: opacity 0.3s ease;
}

.logo-link:hover {
    opacity: 0.8;
}

.site-logo {
    height: 40px;
    width: 40px;
    width: 40px;
    max-width: 40px;
}

/* Adjust container for fixed header */
.container {
    margin-top: 80px;
}* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    background: #000000;
    color: #ffffff;
    line-height: 1.6;
    letter-spacing: 0.5px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
}

header {
    text-align: center;
    margin-bottom: 60px;
}

h1 {
    font-size: 48px;
    font-weight: bold;
    margin-bottom: 20px;
    color: #ffffff;
    letter-spacing: 1px;
}

.subtitle {
    font-size: 18px;
    color: #cccccc;
    max-width: 600px;
    margin: 0 auto;
}

.business-model-selection {
    margin-bottom: 60px;
}

.business-model-selection h2 {
    font-size: 32px;
    margin-bottom: 40px;
    text-align: center;
    color: #ffffff;
}

.model-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.model-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid #ffffff;
    border-radius: 12px;
    padding: 30px;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.model-card:hover {
    border-color: #4CAF50;
    transform: translateY(-2px);
}

.model-card.selected {
    border-color: #4CAF50;
    background: rgba(76, 175, 80, 0.1);
}

.model-card h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: #ffffff;
}

.model-card p {
    font-size: 16px;
    margin-bottom: 15px;
    color: #cccccc;
}

.model-card small {
    font-size: 14px;
    color: #999999;
    font-style: italic;
}

#calculator-section {
    margin-top: 40px;
}

.calculator-view h2 {
    font-size: 36px;
    margin-bottom: 15px;
    text-align: left;
    color: #ffffff;
}

.section-subtitle {
    font-size: 18px;
    color: #cccccc;
    margin-bottom: 40px;
}

.input-sections {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.input-section {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid #ffffff;
    border-radius: 12px;
    padding: 30px;
    backdrop-filter: blur(10px);
}

.input-section h3 {
    font-size: 24px;
    margin-bottom: 25px;
    color: #ffffff;
}

.input-group {
    margin-bottom: 25px;
}

.input-group label {
    display: block;
    font-size: 16px;
    font-weight: bold;
    margin-bottom: 8px;
    color: #ffffff;
}

.input-group input {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid #ffffff;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
    font-size: 16px;
    transition: border-color 0.3s ease;
}

.input-group input:focus {
    outline: none;
    border-color: #4CAF50;
}

.input-group input::placeholder {
    color: #999999;
}

.input-group small {
    display: block;
    font-size: 14px;
    color: #cccccc;
    margin-top: 5px;
    font-style: italic;
}

.company-row, .channel-row {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr auto;
    gap: 15px;
    align-items: end;
    margin-bottom: 20px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.channel-row {
    grid-template-columns: 1fr 1fr 1fr 1fr auto;
}

.add-btn, .remove-btn {
    padding: 8px 16px;
    border: 1px solid #ffffff;
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.3s ease;
}

.add-btn:hover, .remove-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: #4CAF50;
}

.add-btn {
    margin-top: 20px;
    width: 100%;
    padding: 12px;
    font-size: 16px;
}

.results-section {
    background: rgba(76, 175, 80, 0.1);
    border: 1px solid #4CAF50;
    border-radius: 12px;
    padding: 30px;
    margin-bottom: 40px;
}

.results-section h3 {
    font-size: 28px;
    margin-bottom: 25px;
    color: #ffffff;
    text-align: center;
}

.result-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.result-item:last-child {
    border-bottom: none;
}

.result-label {
    font-size: 18px;
    color: #cccccc;
}

.result-value {
    font-size: 20px;
    font-weight: bold;
    color: #4CAF50;
}

.action-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-primary, .btn-secondary {
    padding: 15px 30px;
    border: 1px solid #ffffff;
    border-radius: 8px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.btn-primary {
    background: #4CAF50;
    color: #000000;
    border-color: #4CAF50;
}

.btn-primary:hover {
    background: #45a049;
    transform: translateY(-2px);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: #4CAF50;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 20px 15px;
    }
    
    h1 {
        font-size: 36px;
    }
    
    .model-cards {
        grid-template-columns: 1fr;
    }
    
    .input-sections {
        grid-template-columns: 1fr;
    }
    
    .company-row, .channel-row {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    
    .channel-row {
        grid-template-columns: 1fr;
    }
    
    .action-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn-primary, .btn-secondary {
        width: 100%;
        max-width: 300px;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 28px;
    }
    
    .business-model-selection h2 {
        font-size: 24px;
    }
    
    .calculator-view h2 {
        font-size: 28px;
    }
    
    .model-card, .input-section, .results-section {
        padding: 20px;
    }
}