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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #ff9ff3 0%, #ffd3f8 100%);
    min-height: 100vh;
    padding: 15px;
    color: #333;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
}

header {
    text-align: center;
    color: #ff0084;
    margin-bottom: 20px;
}

header h1 {
    font-size: 2rem;
    margin-bottom: 5px;
    text-shadow: 2px 2px 0px rgba(255,255,255,0.7);
    letter-spacing: 2px;
}

header p {
    font-size: 1rem;
    color: #ff4da6;
}

.price-display {
    background: rgba(255, 255, 255, 0.8);
    border-radius: 12px;
    padding: 15px;
    margin-bottom: 20px;
    text-align: center;
    box-shadow: 0 8px 25px rgba(255,105,180,0.3);
    border: 2px solid #ff69b4;
}

.price-display h3 {
    color: #ff0084;
    margin-bottom: 10px;
}

#gold-price {
    font-size: 1.7rem;
    font-weight: bold;
    color: #ff69b4;
    margin-bottom: 10px;
}

.calculator-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 20px;
}

.calculator-card {
    background: rgba(255, 255, 255, 0.8);
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 8px 25px rgba(255,105,180,0.3);
    border: 2px solid #ff69b4;
}

.calculator-card h2 {
    color: #ff0084;
    
    text-align: center;
    font-size: 1.4rem;
}

.calculator-card-explainer {
    border-bottom: 2px dashed #ff69b4;
    margin-bottom: 15px;
    padding-bottom: 8px;
}

.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 4px;
    font-weight: 600;
    color: #ff0084;
    font-size: 0.95rem;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 10px;
    border: 2px solid #ffb6c1;
    border-radius: 8px;
    font-size: 0.95rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: #ff0084;
}

.form-group small {
    display: block;
    margin-top: 3px;
    color: #ff69b4;
    font-size: 0.8rem;
}

button {
    background: linear-gradient(135deg, #ff69b4 0%, #ff0084 100%);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 600;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    width: 100%;
    border: 2px solid white;
}

button:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255,105,180,0.5);
}

button:active {
    transform: translateY(0);
}

.price-display button {
    width: auto;
    padding: 6px 14px;
    font-size: 0.85rem;
}

.result {
    margin-top: 15px;
    padding: 15px;
    border-radius: 8px;
    border-left: 4px solid #ff69b4;
    background: rgba(255, 255, 255, 0.7);
}

.result h4 {
    margin-bottom: 8px;
    font-size: 1.1rem;
    color: #ff0084;
}

.result p {
    margin-bottom: 4px;
    font-size: 0.95rem;
}

.result .highlight {
    font-weight: bold;
    font-size: 1rem;
    color: #ff0084;
}

@media (max-width: 768px) {
    .calculator-section {
        grid-template-columns: 1fr;
    }
    
    .calculator-card {
        padding: 15px;
    }
    
    header h1 {
        font-size: 1.8rem;
    }
}

/* Loading Spinners */
.spinner {
    border: 4px solid rgba(255, 105, 180, 0.3);
    border-left: 4px solid #ff69b4;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 0 auto 15px auto;
}

.spinner-small {
    border: 2px solid rgba(255, 105, 180, 0.3);
    border-left: 2px solid #ff69b4;
    border-radius: 50%;
    width: 16px;
    height: 16px;
    animation: spin 1s linear infinite;
    display: inline-block;
    margin-right: 8px;
    vertical-align: middle;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loading {
    text-align: center;
    padding: 20px;
    color: #ff0084;
}

.loading p {
    margin: 0;
    font-weight: 500;
}

.price-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 0.9rem;
    color: #666;
}

/* Button loading states */
button:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    background: linear-gradient(135deg, #ccc 0%, #999 100%);
}

button:disabled:hover {
    transform: none;
    box-shadow: none;
}

/* Result states */
.result.success {
    border-left-color: #28a745;
    background: rgba(212, 237, 218, 0.8);
}

.result.error {
    border-left-color: #dc3545;
    background: rgba(248, 215, 218, 0.8);
}

.result.good-deal {
    border-left-color: #17a2b8;
    background: rgba(209, 236, 241, 0.8);
}

.result.bad-deal {
    border-left-color: #dc3545;
    background: rgba(248, 215, 218, 0.8);
}