* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Hind Siliguri', sans-serif;
}
body {
    background-color: #f4f6f5;
    padding: 20px;
    display: flex;
    justify-content: center;
}
.booking-container {
    width: 100%;
    max-width: 950px;
    background: #fff;
    border-radius: 12px;
    padding: 25px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
}
.header {
    display: flex;
    align-items: center;
    gap: 15px;
    border-bottom: 2px solid #eef2f0;
    padding-bottom: 15px;
    margin-bottom: 25px;
}
.back-btn {
    font-size: 20px;
    color: #1b4332;
    text-decoration: none;
}
.header h2 {
    font-size: 22px;
    color: #112d22;
}
.form-wrapper {
    display: flex;
    gap: 30px;
}
.booking-form {
    flex: 1.3;
}
.order-summary {
    flex: 1;
    background: #fafbfa;
    border: 1px solid #e2e8e5;
    border-radius: 10px;
    padding: 20px;
    height: fit-content;
}
.input-group { margin-bottom: 18px; }
.input-grid { display: flex; gap: 15px; }
.input-grid .input-group { flex: 1; }
label {
    display: block; font-weight: 600; margin-bottom: 6px;
    color: #2d3732; font-size: 14px;
}
input, select {
    width: 100%; padding: 11px; border: 1px solid #ccd5d1;
    border-radius: 6px; font-size: 15px; outline: none; background-color: #fff;
}
input:focus, select:focus { border-color: #1b4332; }
.order-summary h3 {
    font-size: 18px; color: #112d22; margin-bottom: 15px;
    border-bottom: 1px solid #e2e8e5; padding-bottom: 8px;
}
.summary-row {
    display: flex; justify-content: space-between; font-size: 15px;
    margin-bottom: 12px; color: #4a5550;
}
hr { border: 0; border-top: 1px solid #e2e8e5; margin: 15px 0; }
.summary-row.total { font-size: 19px; font-weight: 700; color: #1b4332; }
.confirm-btn {
    width: 100%; padding: 14px; background: #1b4332; color: white;
    border: none; border-radius: 6px; font-size: 16px; font-weight: bold;
    cursor: pointer; margin-top: 10px; transition: 0.2s;
}
.confirm-btn:hover { background: #112d22; }
.wallet-status-box {
    margin-top: 15px; background: #e8f5e9; padding: 10px; border-radius: 6px;
    font-size: 13px; color: #1b4332; font-weight: 600; display: flex; align-items: center; gap: 8px;
}

/* পপআপ ডিজাইন */
.popup-overlay {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.5); display: flex; justify-content: center; align-items: center; z-index: 1000;
}
.popup-card {
    background: white; padding: 30px; border-radius: 12px; text-align: center; max-width: 400px; width: 90%;
}
.success-icon i { font-size: 50px; color: #2e7d32; margin-bottom: 15px; }
.popup-card h2 { font-size: 22px; margin-bottom: 10px; color: #333; }
.popup-card p { font-size: 14px; color: #666; margin-bottom: 20px; line-height: 1.5; }
.ok-btn {
    padding: 10px 30px; background: #1b4332; color: white; border: none;
    border-radius: 6px; font-weight: bold; cursor: pointer;
}

@media (max-width: 768px) {
    .form-wrapper { flex-direction: column; }
    .input-grid { flex-direction: column; gap: 0; }
}