/* Container chính */
.btc-wrapper {
    background: #ffffff;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    padding: 30px;
    max-width: 1110px;
    margin: 20px auto;
    box-sizing: border-box;
}

.btc-wrapper * {
    box-sizing: border-box;
}

/* Header */
.btc-header {
    margin-bottom: 25px;
}

.btc-title {
    color: #009ce0;
    font-size: 28px;
    font-weight: 800;
    margin: 0 0 10px 0;
	padding-bottom: 5px;
}

.btc-desc {
    color: #666;
    font-size: 14px;
    margin: 0;
}

/* Body layout */
.btc-body {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    justify-content: center;
}

.btc-left {
    flex: 1;
    min-width: 300px;
}

.btc-right {
    flex: 1;
    min-width: 320px;
    background: linear-gradient(135deg, #1aa4cd 0%, #175e8f 100%);
    border-radius: 12px;
    padding: 25px;
    color: white;
}

/* Form styles */
.btc-row {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
}

.btc-form-group {
    flex: 1;
    margin-bottom: 15px;
}

.btc-full {
    width: 100%;
}

.btc-form-group label {
    display: block;
    font-size: 14px;
    color: #333;
    font-weight: 600;
    margin-bottom: 8px;
}

.btc-wrapper input[type="number"], 
.btc-wrapper select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 15px;
    outline: none;
    transition: all 0.3s ease;
    background: #fff;
    height: 42px;
}

.btc-wrapper input[type="number"]:focus,
.btc-wrapper select:focus {
    border-color: #009ce0;
    box-shadow: 0 0 0 2px rgba(0, 156, 224, 0.1);
}

/* Red text for inputs matching UI */
.btc-input-red {
    color: #d32f2f !important;
}

/* Left Result Volume */
.btc-result-volume {
    margin-top: 30px;
}

.btc-result-volume .btc-label {
    color: #666;
    font-size: 14px;
}

.btc-volume-value {
    font-size: 36px;
    font-weight: bold;
    color: #333;
    line-height: 1.2;
    margin-top: 5px;
}

/* Right Side Styles */
.btc-right-title {
    color: #fff;
    font-size: 16px;
    font-weight: bold;
    margin: 0 0 15px 0;
    text-transform: uppercase;
}

.btc-label-white {
    color: #fff !important;
}

.btc-price-list {
    margin: 25px 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.btc-price-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 14px;
}

.btc-value-white {
    font-size: 16px;
}

.btc-label-yellow, .btc-value-yellow {
    color: #ffd700;
}

.btc-value-yellow {
    font-size: 18px;
}span#btc-volume-display {
    font-family: opensans-extra;
}

span#btc-unit-price {
    font-family: opensans-extra;
}

span#btc-total-price {
    font-family: opensans-extra;
}
/* Buttons */
.btc-buttons {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
}

.btc-btn {
    flex: 1;
    text-align: center;
    padding: 12px 10px;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    font-size: 14px;
    transition: transform 0.2s ease, opacity 0.2s ease;
    cursor: pointer;
    border: none;
    display: inline-block;
}

.btc-btn:hover {
    transform: translateY(-2px);
    opacity: 0.9;
}

.btc-btn-orange {
    background: #f25c05;
    color: #fff !important;
}

.btc-btn-white {
    background: #fff;
    color: #333 !important;
}

p.btc-note {
    font-size: 12px !important;
    color: rgb(255 255 255 / 75%) !important;
    margin: 0;
    text-align: left;
}

/* Responsive */
@media (max-width: 600px) {
    .btc-row {
        flex-direction: column;
        gap: 15px;
    }
    .btc-buttons {
        flex-direction: column;
    }
}