/* Custom Styles untuk Sistem Pakar */

:root {
    --primary-color: #ff6b35;
    --secondary-color: #ff8555;
    --success-color: #ffa742;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #ffaa66;
    --card-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
}

body {
    background: linear-gradient(135deg, #fff5f0 0%, #ffe5d5 100%);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    min-height: 100vh;
}

.back-button {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: rgba(255, 107, 53, 0.2);
    border: 1px solid rgba(255, 107, 53, 0.3);
    color: #ff6b35;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
    margin-right: 20px;
}

.back-button:hover {
    background: rgba(255, 107, 53, 0.3);
    transform: translateX(-3px);
    color: #ff6b35;
}

/* Card Styling */
.card {
    border: none;
    border-radius: 10px;
    overflow: hidden;
}

.card-header {
    font-weight: 600;
    padding: 1.25rem 1.5rem;
}

/* Symptoms Grid */
.symptoms-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1rem;
    margin-bottom: 1rem;
}

.symptom-card {
    border: 2px solid #dee2e6;
    border-radius: 8px;
    padding: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    background: white;
}

.symptom-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 8px 20px rgba(255, 107, 53, 0.2);
    background: #fff9f5;
}

.symptom-card.selected {
    border-color: var(--primary-color);
    background: linear-gradient(135deg, #fff5f0 0%, #ffe5d5 100%);
    border-width: 3px;
    animation: pulse-border 2s ease-in-out infinite;
}

@keyframes pulse-border {
    0%, 100% { box-shadow: 0 0 0 0 rgba(255, 107, 53, 0.4); }
    50% { box-shadow: 0 0 0 10px rgba(255, 107, 53, 0); }
}

.symptom-card input[type="checkbox"] {
    margin-right: 0.5rem;
}

/* Diagnosis Card */
.diagnosis-card {
    border-radius: 10px;
    margin-bottom: 1.5rem;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.diagnosis-header {
    padding: 1.5rem;
    color: white;
    position: relative;
}

.diagnosis-header.primary { 
    background: linear-gradient(135deg, #ff6b35 60%, #ff8555 100%);
    animation: slideInDown 0.5s ease-out;
}
.diagnosis-header.secondary { 
    background: linear-gradient(135deg, #ff8555 60%, #ffaa66 100%);
    animation: slideInDown 0.6s ease-out;
}
.diagnosis-header.success { 
    background: linear-gradient(135deg, #ffaa66 70%, #ffb377 100%);
    animation: slideInDown 0.7s ease-out;
}
.diagnosis-header.warning { 
    background: linear-gradient(135deg, #ffb377 60%, #ffc088 100%);
    animation: slideInDown 0.8s ease-out;
}
.diagnosis-header.info { 
    background: linear-gradient(135deg, #ffc088 60%, #ffcd99 100%);
    animation: slideInDown 0.9s ease-out;
}

@keyframes slideInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.confidence-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: rgba(255, 255, 255, 0.3);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 1.1rem;
    font-weight: bold;
    backdrop-filter: blur(10px);
}

/* Progress Bar */
.confidence-progress {
    height: 35px;
    font-size: 1rem;
    font-weight: bold;
    border-radius: 20px;
    overflow: hidden;
    position: relative;
}

.confidence-progress .progress-bar {
    transition: width 2s ease-out;
    animation: progress-shine 2s ease-in-out infinite;
}

@keyframes progress-shine {
    0%, 100% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
}

.diagnosis-card {
    animation: fadeInUp 0.6s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Expandable Sections */
.expandable-section {
    background: #f8f9fa;
    border-radius: 8px;
    margin-top: 1rem;
    padding: 1rem;
}

.expandable-section h5 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.expandable-section ul li {
    margin-bottom: 0.5rem;
    padding-left: 1.5rem;
}

/* Solution Items */
.solution-item {
    background: white;
    border-left: 4px solid var(--success-color);
    padding: 0.75rem 1rem;
    margin-bottom: 0.75rem;
    border-radius: 4px;
}

/* Tools Tags */
.tool-tag {
    display: inline-block;
    background: var(--info-color);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 15px;
    font-size: 0.875rem;
    margin: 0.25rem;
}

/* No Results */
.no-results {
    text-align: center;
    padding: 3rem;
    color: #6c757d;
}

.no-results i {
    font-size: 4rem;
    margin-bottom: 1rem;
}

/* Badge Styling */
.badge {
    font-weight: 500;
    padding: 0.5em 0.75em;
}

/* Button Enhancements */
.btn {
    border-radius: 12px;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 10px 25px rgba(255, 107, 53, 0.4);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border: none;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
}

.btn-lg {
    padding: 1rem 2rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .symptoms-grid {
        grid-template-columns: 1fr;
    }
    
    .diagnosis-header {
        text-align: center;
    }
    
    .confidence-badge {
        position: static;
        display: inline-block;
        margin-top: 0.5rem;
    }
    
    h1 {
        font-size: 1.5rem;
    }
}

/* Loading Animation */
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.loading-pulse {
    animation: pulse 2s infinite;
}

/* Severity Badges */
.severity-high { background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%); }
.severity-medium { background: linear-gradient(135deg, #fee140 0%, #fa709a 100%); }
.severity-low { background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%); }

/* Risk Level Colors */
.risk-high { color: #dc3545; font-weight: bold; }
.risk-medium { color: #ffc107; font-weight: bold; }
.risk-low { color: #198754; font-weight: bold; }

/* Smooth Transitions */
* {
    transition: background-color 0.3s ease, color 0.3s ease, transform 0.3s ease;
}

/* Header dengan gradient orange */
.bg-primary {
    background: linear-gradient(135deg, #ff6b35 0%, #ff8555 50%, #ff6b35 100%) !important;
    animation: gradient-shift 10s ease infinite;
    background-size: 200% 200%;
}

@keyframes gradient-shift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.bg-info {
    background: linear-gradient(135deg, #ff8555, #ffaa66) !important;
}

.bg-success {
    background: linear-gradient(135deg, #ffaa66, #ffb377) !important;
}

/* Floating animation untuk icons */
.fa-cogs {
    animation: rotate-continuous 20s linear infinite;
}

@keyframes rotate-continuous {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Shimmer effect untuk cards */
.card {
    animation: fadeIn 0.5s ease-out;
    position: relative;
    overflow: hidden;
}

.card::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        45deg,
        transparent 30%,
        rgba(255, 255, 255, 0.1) 50%,
        transparent 70%
    );
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%) translateY(-100%) rotate(45deg); }
    100% { transform: translateX(100%) translateY(100%) rotate(45deg); }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}