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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: #f5f5f5;
    color: #333;
    line-height: 1.6;
}

#app {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
}

header {
    background: linear-gradient(135deg, #4CAF50 0%, #2E7D32 100%);
    color: white;
    padding: 30px 20px;
    border-radius: 12px;
    margin-bottom: 30px;
    text-align: center;
}

header h1 {
    font-size: 2em;
    margin-bottom: 10px;
}

header p {
    opacity: 0.9;
}

main {
    background: white;
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.step {
    display: none;
}

.step.active {
    display: block;
    animation: fadeIn 0.3s ease-in;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

h2 {
    color: #4CAF50;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #4CAF50;
}

h3 {
    margin: 20px 0 10px;
    color: #666;
}

.form-group {
    margin-bottom: 20px;
}

label {
    display: block;
    font-weight: 600;
    margin-bottom: 5px;
    color: #555;
}

input[type="text"],
input[type="number"],
input[type="file"] {
    width: 100%;
    padding: 12px;
    border: 2px solid #ddd;
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.3s;
}

input[type="text"]:focus,
input[type="number"]:focus {
    outline: none;
    border-color: #4CAF50;
}

.btn {
    padding: 12px 24px;
    font-size: 16px;
    font-weight: 600;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s;
    margin-right: 10px;
}

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

.btn-primary:hover {
    background: #45a049;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(76, 175, 80, 0.3);
}

.btn-success {
    background: #2196F3;
    color: white;
}

.btn-success:hover {
    background: #1976D2;
}

.btn:hover {
    background: #f0f0f0;
}

.tour-info-box {
    background: #E8F5E9;
    padding: 20px;
    border-radius: 8px;
    margin-top: 20px;
    border-left: 4px solid #4CAF50;
}

.tour-info-box h3 {
    color: #2E7D32;
    margin-bottom: 10px;
}

#system-list {
    margin: 20px 0;
}

.system-card {
    display: flex;
    align-items: center;
    padding: 15px;
    margin-bottom: 10px;
    border: 2px solid #ddd;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s;
}

.system-card:hover {
    border-color: #4CAF50;
    background: #f9fff9;
}

.system-card input[type="checkbox"] {
    margin-right: 15px;
    width: 20px;
    height: 20px;
    cursor: pointer;
}

.system-info strong {
    display: block;
    color: #333;
    margin-bottom: 5px;
}

.system-info small {
    color: #666;
}

#results {
    margin: 20px 0;
}

.result-card {
    background: white;
    border: 2px solid #ddd;
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
}

.result-card.perfect {
    border-color: #4CAF50;
    background: #E8F5E9;
}

.result-card.good {
    border-color: #8BC34A;
    background: #F1F8E9;
}

.result-card.marginal {
    border-color: #FFC107;
    background: #FFF8E1;
}

.result-card.insufficient {
    border-color: #FF5722;
    background: #FBE9E7;
}

.result-card h3 {
    color: #333;
    margin-bottom: 15px;
}

.metrics {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 15px;
    margin: 20px 0;
}

.metric {
    background: white;
    padding: 15px;
    border-radius: 8px;
    border: 1px solid #ddd;
}

.metric .label {
    display: block;
    font-size: 0.85em;
    color: #666;
    margin-bottom: 5px;
}

.metric .value {
    display: block;
    font-size: 1.5em;
    font-weight: 700;
    color: #4CAF50;
}

.metric .value.warning {
    color: #FF5722;
}

.decision {
    margin-top: 15px;
    padding: 15px;
    background: rgba(76, 175, 80, 0.1);
    border-radius: 8px;
    border-left: 4px solid #4CAF50;
}

.generated-content {
    background: #fafafa;
    padding: 20px;
    border-radius: 8px;
    border: 1px solid #ddd;
    margin-bottom: 20px;
    line-height: 1.8;
}

.generated-content p {
    margin-bottom: 15px;
}

.meta {
    font-size: 0.85em;
    color: #666;
    margin-bottom: 20px;
}

.error {
    background: #FFEBEE;
    color: #C62828;
    padding: 20px;
    border-radius: 8px;
    border-left: 4px solid #F44336;
}

footer {
    text-align: center;
    padding: 20px;
    color: #666;
    font-size: 0.9em;
}

footer a {
    color: #4CAF50;
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

/* Responsive */
@media (max-width: 600px) {
    #app {
        padding: 10px;
    }
    
    header {
        padding: 20px 15px;
    }
    
    header h1 {
        font-size: 1.5em;
    }
    
    main {
        padding: 20px;
    }
    
    .metrics {
        grid-template-columns: 1fr;
    }
}

/* Tour Selection */
.preset-tours {
    margin-top: 20px;
}

.preset-tours > p {
    font-weight: 600;
    margin-bottom: 15px;
    color: #333;
}

#tour-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.tour-btn {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding: 18px 20px;
    background: #f8f9fa;
    border: 2px solid #dee2e6;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s;
    text-align: left;
    width: 100%;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.tour-btn:hover {
    border-color: #4CAF50;
    background: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.tour-btn strong {
    font-size: 1.2em;
    margin-bottom: 8px;
    color: #212529;
    font-weight: 700;
}

.tour-btn small {
    color: #495057;
    font-size: 1em;
    font-weight: 500;
}

/* Alert/Info Boxes */
.alert {
    padding: 15px 20px;
    margin-bottom: 20px;
    border-radius: 8px;
    border-left: 4px solid;
    background: #f8f9fa;
}

.alert strong {
    display: block;
    margin-bottom: 5px;
}

.alert-info {
    background: #e7f3ff;
    border-left-color: #0066cc;
    color: #004085;
}

.alert-warning {
    background: #fff3cd;
    border-left-color: #ffc107;
    color: #856404;
}

.alert-success {
    background: #d4edda;
    border-left-color: #28a745;
    color: #155724;
}

/* Info Icon */
.info-icon {
    display: inline-block;
    margin-left: 8px;
    cursor: pointer;
    font-size: 16px;
    opacity: 0.7;
    transition: opacity 0.2s;
}

.info-icon:hover {
    opacity: 1;
}