/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 50%, #16213e 100%);
    color: #e0e6ed;
    min-height: 100vh;
    line-height: 1.6;
}

/* Header and Navigation */
.navbar {
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 2px solid #00d4ff;
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
}

.logo {
    font-size: 1.8rem;
    font-weight: bold;
    color: #00d4ff;
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.3);
    text-decoration: none;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    color: #e0e6ed;
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 5px;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.nav-links a:hover, .nav-links a.active {
    color: #00d4ff;
    background: rgba(0, 212, 255, 0.1);
    border-color: #00d4ff;
    box-shadow: 0 0 15px rgba(0, 212, 255, 0.2);
}

/* Main content */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    min-height: calc(100vh - 140px);
}

.card {
    background: rgba(20, 30, 48, 0.8);
    border: 1px solid #00d4ff;
    border-radius: 10px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 4px 20px rgba(0, 212, 255, 0.1);
    backdrop-filter: blur(5px);
}

.card h2 {
    color: #00d4ff;
    margin-bottom: 1rem;
    font-size: 1.5rem;
    text-shadow: 0 0 5px rgba(0, 212, 255, 0.3);
}

.card h3 {
    color: #4fc3f7;
    margin-bottom: 0.5rem;
    margin-top: 1rem;
}

.card p {
    margin-bottom: 1rem;
}

.card ul {
    padding-left: 1.5rem;
    margin-bottom: 1rem;
}

.card li {
    margin-bottom: 0.5rem;
}

.card a {
    color: #00d4ff;
    text-decoration: none;
    transition: color 0.3s ease;
}

.card a:hover {
    color: #4fc3f7;
    text-shadow: 0 0 5px rgba(79, 195, 247, 0.3);
}

/* Form elements */
.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    color: #00d4ff;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-group input, .form-group select {
    width: 100%;
    padding: 0.8rem;
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid #00d4ff;
    border-radius: 5px;
    color: #e0e6ed;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus, .form-group select:focus {
    outline: none;
    border-color: #4fc3f7;
    box-shadow: 0 0 10px rgba(79, 195, 247, 0.2);
}

/* Table styles */
.price-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}

.price-table th, .price-table td {
    padding: 0.8rem;
    text-align: left;
    border-bottom: 1px solid #00d4ff;
}

.price-table th {
    background: rgba(0, 212, 255, 0.1);
    color: #00d4ff;
    font-weight: 600;
}

.price-table td {
    background: rgba(0, 0, 0, 0.3);
}

.price-table input {
    background: rgba(0, 0, 0, 0.7);
    border: 1px solid #4fc3f7;
    border-radius: 3px;
    padding: 0.5rem;
    color: #e0e6ed;
    width: 100%;
}

/* Buttons */
.btn {
    background: linear-gradient(45deg, #00d4ff, #4fc3f7);
    color: #0a0a0a !important;
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: 5px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    text-align: center;
    margin-top: 1rem;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 212, 255, 0.3);
    color: #0a0a0a !important;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 212, 255, 0.3);
    color: #0a0a0a;
}

.btn-danger {
    background: linear-gradient(45deg, #ff4444, #cc0000);
    color: #fff;
}

.btn-sm {
    padding: 0.4rem 0.8rem;
    font-size: 0.9rem;
}

/* Suggestions dropdown */
.suggestions {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(20, 30, 48, 0.95);
    border: 1px solid #00d4ff;
    border-top: none;
    border-radius: 0 0 5px 5px;
    max-height: 200px;
    overflow-y: auto;
    z-index: 1000;
}

.suggestion-item {
    padding: 0.8rem;
    cursor: pointer;
    border-bottom: 1px solid rgba(0, 212, 255, 0.2);
    transition: background 0.3s ease;
}

.suggestion-item:hover {
    background: rgba(0, 212, 255, 0.1);
}

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

.input-container {
    position: relative;
}

/* Footer */
.footer {
    background: rgba(0, 0, 0, 0.9);
    border-top: 2px solid #00d4ff;
    padding: 2rem 0;
    text-align: center;
    color: #888;
}

.footer p {
    margin: 0;
}

/* Total display */
.total-display {
    text-align: right;
    font-size: 1.2rem;
    font-weight: 600;
    color: #00d4ff;
    margin-top: 1rem;
    padding: 1rem;
    background: rgba(0, 212, 255, 0.1);
    border-radius: 5px;
}

/* Grid layout for cards */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

/* Responsive design */
@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        gap: 1rem;
    }

    .nav-links {
        gap: 1rem;
    }

    .container {
        padding: 1rem;
    }

    .card {
        padding: 1rem;
    }

    .price-table {
        font-size: 0.9rem;
    }

    .card-grid {
        grid-template-columns: 1fr;
    }
}

/* Filter container styling */
.filters-container {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 8px;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    min-width: 120px;
}

.filter-group label {
    font-size: 0.85rem;
    color: #00d4ff;
    font-weight: 500;
}

.filter-group input {
    padding: 0.5rem;
    font-size: 0.9rem;
}

.filter-group input[type="number"] {
    width: 80px;
}

/* Production table enhancements */
.production-table {
    font-size: 0.95rem;
}

.production-table th.sortable {
    cursor: pointer;
    user-select: none;
    transition: background-color 0.2s ease;
}

.production-table th.sortable:hover {
    background: rgba(0, 212, 255, 0.2);
}

.sort-arrow {
    font-size: 0.8rem;
    margin-left: 0.5rem;
    color: #4fc3f7;
    opacity: 0.6;
}

/* Cell-specific styling */
.ticker-cell {
    font-family: 'Courier New', monospace;
    font-weight: bold;
    color: #00d4ff;
}

.production-cell {
    color: #4fc3f7 !important;
    font-weight: 500;
}

.burn-cell {
    color: #ffab40 !important;
    font-weight: 500;
}

.net-cell {
    font-weight: 600;
}

.net-cell.positive {
    color: #4caf50 !important;
}

.net-cell.negative {
    color: #f44336 !important;
}

.net-cell.neutral {
    color: #9e9e9e !important;
}

/* Results info styling */
#results-info {
    padding: 0.5rem 0;
    font-weight: 500;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .filters-container {
        flex-direction: column;
        gap: 1rem;
    }
    
    .filter-group {
        min-width: auto;
    }
    
    .production-table {
        font-size: 0.85rem;
    }
    
    .production-table th, 
    .production-table td {
        padding: 0.5rem 0.3rem;
    }
    
    .sort-arrow {
        display: none;
    }
}

@media (max-width: 480px) {
    .filter-group {
        flex-direction: row;
        align-items: center;
        gap: 0.5rem;
    }
    
    .filter-group label {
        min-width: 60px;
        font-size: 0.8rem;
    }
}