/* Black and Gold Theme for Candle Cost Calculator */
:root {
    --primary-black: #121212;
    --secondary-black: #1e1e1e;
    --gold: #d4af37;
    --light-gold: #f0e68c;
    --dark-gold: #b8860b;
    --text-light: #f8f8f8;
    --text-dark: #333333;
    --gray-light: #e0e0e0;
    --gray-dark: #555555;
}

body {
    background-color: var(--primary-black);
    color: var(--text-light);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    padding-top: 20px;
    padding-bottom: 40px;
}

.calculator-title, .results-title {
    color: var(--gold);
    font-weight: 600;
    text-align: center;
    margin-bottom: 25px;
}

.card {
    background-color: var(--secondary-black);
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    margin-bottom: 20px;
    border: 1px solid var(--dark-gold);
}

.card-header {
    background-color: var(--dark-gold);
    color: var(--primary-black);
    border-radius: 15px 15px 0 0 !important;
    padding: 15px 20px;
    font-weight: 600;
}

.form-control, .form-select {
    background-color: var(--secondary-black);
    border: 1px solid var(--gray-dark);
    color: var(--text-light);
    border-radius: 8px;
}

.form-control:focus, .form-select:focus {
    background-color: var(--secondary-black);
    border-color: var(--gold);
    box-shadow: 0 0 0 0.25rem rgba(212, 175, 55, 0.25);
    color: var(--text-light);
}

.form-label {
    color: var(--gold);
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.form-text {
    color: var(--gray-light);
    font-size: 0.85rem;
}

.btn-primary {
    background-color: var(--gold);
    border-color: var(--gold);
    color: var(--primary-black);
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-primary:hover, .btn-primary:focus {
    background-color: var(--dark-gold);
    border-color: var(--dark-gold);
    color: var(--primary-black);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.input-group-text {
    background-color: var(--dark-gold);
    border: 1px solid var(--dark-gold);
    color: var(--primary-black);
}

.results-container {
    background-color: var(--secondary-black);
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    height: 100vh;
    overflow-y: auto;
    position: sticky;
    top: 0;
    padding: 20px;
    border: 1px solid var(--dark-gold);
}

.result-section {
    margin-bottom: 20px;
    padding: 15px;
    background-color: rgba(30, 30, 30, 0.7);
    border-radius: 10px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    border-left: 3px solid var(--gold);
}

.result-section h4 {
    color: var(--gold);
    border-bottom: 1px solid var(--dark-gold);
    padding-bottom: 10px;
    margin-bottom: 15px;
}

.profit-section {
    background-color: rgba(30, 30, 30, 0.9);
    border-left: 4px solid var(--light-gold);
}

.no-results {
    text-align: center;
    padding: 50px 0;
    color: var(--gray-light);
}
.supplier-card {
    background: #000;
    box-shadow: 0 2px 6px rgba(0,0,0,0.1);
  }
  .supplier-card h4 { color: #fff; }

  .use-price-btn {
    margin-left: 8px;
  }

  .btn-gold {
    background-color: var(--gold);
    color: var(--primary-black);
    font-weight: 600;
    padding: 12px 30px;
    border-radius: 30px;
    border: 2px solid var(--gold);
    transition: all 0.3s ease;
  }
.no-results i {
    font-size: 48px;
    margin-bottom: 15px;
    color: var(--gold);
    opacity: 0.7;
}

/* Responsive adjustments */
@media (max-width: 767.98px) {
    .results-container {
        height: auto;
        position: static;
        margin-top: 20px;
    }
}

/* Custom scrollbar for webkit browsers */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--secondary-black);
}

::-webkit-scrollbar-thumb {
    background: var(--dark-gold);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gold);
}

/* Input placeholder color */
::placeholder {
    color: var(--gray-dark) !important;
    opacity: 1;
}

/* Focus outline for accessibility */
*:focus {
    outline: 2px solid var(--gold);
    outline-offset: 2px;
}