* {
    margin: 0;
    padding: 0;
}

a {
    text-decoration: none;
}

ul {
    margin: 0;
}

:root {
    /*    màu nền*/
    --navy-dark: #0b1120;
    --navy-glass: rgba(15, 23, 42, 0.9);
    /*    màu chữ*/
    --text-main: #f1f5f9;
    --text-secondary: #94a3b8;
    --orange-dark: #ea580c;
    --orange-light: #f97316;
}

body {
    background-color: var(--navy-dark);
    color: var(--text-main);
}

header {
    background-color: var(--navy-glass);
    backdrop-filter: blur(15px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

    header .logo {
    }

        header .logo img {
            max-height: 50px;
        }

    header .main-menu {
    }

        header .main-menu a {
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 600;
            text-transform: uppercase;
            transition: 0.3s;
            text-align: center;
            display: block;
        }

            header .main-menu a:hover, .header .main-menu a.active {
                color: var(--text-main);
                text-shadow: 0 0 10px rgba(249, 115, 22, 0.5);
            }

    header .header-right {
    }

        header .header-right .user-info {
            background: rgba(255, 255, 255, 0.05);
            padding: 5px 8px;
            border-radius: 8px;
            border: 1px dashed rgba(255, 255, 255, 0.1);
        }

            header .header-right .user-info span:first-child {
                font-size: 11px;
                color: var(--text-secondary);
                display: block;
                line-height: 1;
                text-align: center;
            }

footer {
    background: #020617;
}

    footer .banks img {
        width: 100%;
        display: block;
    }

    footer .copyright {
        background-color: #080d1a;
        color: #475569;
        font-size: 11px;
    }

.bt {
    font-weight: 600;
    font-size: 14px;
    text-transform: uppercase;
    text-decoration: none;
    transition: 0.3s;
    border-radius: 0.75rem;
    padding: 0.5rem 1rem;
    vertical-align: middle;
}

.bt-large {
    padding: 0.75rem 1rem;
}

.bt-orange {
    background: linear-gradient(135deg, var(--orange-light), var(--orange-dark));
    color: white !important;
    border: 1px solid rgba(249, 115, 22, 0.5);
    box-shadow: 0 4px 15px rgba(234, 88, 12, 0.4);
}

.bt-green {
    background: linear-gradient(135deg, #22c55e, #16a34a);
    color: white !important;
    border: 1px solid #16a34a;
    box-shadow: 0 0 30px rgba(34, 197, 94, 0.4);
}

.bt-outline {
    background: rgba(255, 255, 255, 0.08);
    color: white !important;
    border: 1px solid rgba(249, 115, 22, 0.5);
    box-shadow: 0 4px 15px rgba(234, 88, 12, 0.4);
}

.btnCopy {
    cursor: pointer;
}

    .btnCopy input {
        cursor: pointer;
    }

input {
    background: rgba(30, 41, 59, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--orange-light);
    font-weight: 700;
    outline: none;
    transition: border-color 0.3s ease;
    letter-spacing: 1px;
    padding: 0.75rem 1rem;
    font-size: 1.125rem;
    border-radius: 0.75rem;
}

    input:focus {
        border-color: var(--orange-light);
        background: rgba(30, 41, 59, 0.9);
        box-shadow: 0 0 1rem var(--orange-light);
    }

    input::placeholder {
        font-weight: 400;
        color: #546479;
    }

.input-container {
    background: rgba(30, 41, 59, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    border-radius: 0.75rem;
    gap: 1rem;
    box-sizing: content-box;
    transition: border-color 0.3s ease;
    padding-left: 1rem;
    padding-right: 1rem;
}

    .input-container input {
        flex: 1;
        background-color: transparent;
        border: 0;
        padding-left: 0;
        padding-right: 0;
        min-width: 0;
    }

        .input-container input:focus {
            background-color: transparent !important;
            box-shadow: none !important;
        }

        .input-container input::placeholder {
            font-weight: 400;
            color: #546479;
        }

    .input-container span {
        color: var(--text-secondary);
        user-select: none;
        display: inline-block;
    }

    .input-container:focus-within {
        border-color: var(--orange-light);
        background: rgba(30, 41, 59, 0.9);
        box-shadow: 0 0 1rem var(--orange-light);
    }

label {
    display: block;
    color: var(--text-secondary);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}
/*text*/
.txt-orange {
    color: var(--orange-light);
}

.txt-orange-dark {
    color: var(--orange-dark);
}

.txt-secondary {
    color: var(--text-secondary);
}

.txt-main {
    color: var(--text-main);
}

.txt-rainbow {
    font-size: 1rem;
    font-weight: bold;
    background: linear-gradient( to right, red, orange, yellow, green, blue, indigo, violet, red );
    background-size: 200%;
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    animation: rainbow 3s linear infinite;
}

@keyframes rainbow {
    0% {
        background-position: 200%;
    }

    100% {
        background-position: 0%;
    }
}

.sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    z-index: 1050;
    display: none;
    opacity: 0;
    transition: opacity 0.3s ease;
}

    .sidebar-overlay.active {
        display: block;
        opacity: 1;
    }

.sidebar-content {
    position: fixed;
    top: 0;
    left: -280px;
    width: 280px;
    height: 100%;
    background: var(--navy-dark);
    z-index: 1060;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 10px 0 30px rgba(0,0,0,0.5);
}

    .sidebar-content.active {
        left: 0;
    }

    .sidebar-content .sidebar-header {
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

        .sidebar-content .sidebar-header .bt-close-sidebar {
            background: none;
            border: 1px solid var(--orange-light);
            color: var(--orange-light);
            width: 32px;
            height: 32px;
            border-radius: 8px;
        }

    .sidebar-content .sidebar-body {
    }

        .sidebar-content .sidebar-body a {
            color: var(--text-secondary);
            text-decoration: none;
            font-size: 14px;
            font-weight: 600;
            text-transform: uppercase;
            transition: 0.3s;
            text-align: center;
            display: block;
        }

            .sidebar-content .sidebar-body a:hover {
                color: #fff;
                text-shadow: 0 0 10px rgba(249, 115, 22, 0.5);
            }

.menu-bottom {
    background: rgba(11, 17, 32, 0.96);
    backdrop-filter: blur(20px);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    overflow: visible !important;
}

    .menu-bottom a {
        display: flex;
        flex-direction: column;
        align-items: center;
        color: var(--text-secondary);
        text-transform: uppercase;
        transition: all 0.3s ease;
        line-height: 1.5rem;
        padding: 0.5rem 0;
        font-size: 1.25rem;
    }

        .menu-bottom a span {
            font-size: 10px;
            font-weight: 600;
        }

        .menu-bottom a.active, .menu-bottom a:active {
            color: var(--orange-dark);
        }

        .menu-bottom a.center-action {
            position: absolute;
            top: -2rem; /* Đẩy nhô cao lên hẳn */
            left: 50%;
            transform: translateX(-50%);
            color: var(--text-primary);
        }

            .menu-bottom a.center-action .shadow-pulse-orange {
                animation: lux-glow-pulse 2s infinite cubic-bezier(0.4, 0, 0.6, 1);
            }

            .menu-bottom a.center-action .center-circle-gold {
                width: 68px;
                height: 68px;
                background: linear-gradient(135deg, var(--orange-light) 0%, var(--orange-dark) 100%);
                border-radius: 50%;
                border: 3px solid var(--navy-dark); /* Viền dày tách biệt hẳn */
                transition: 0.3s;
            }

                .menu-bottom a.center-action .center-circle-gold i {
                    color: #fff;
                    font-size: 20px;
                    margin: 0;
                }
/* Hiệu ứng nhịp đập và tỏa hào quang */
@keyframes lux-glow-pulse {
    0% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(249, 115, 22, 0.7), 0 10px 20px rgba(0,0,0,0.4);
    }

    70% {
        transform: scale(1.05);
        box-shadow: 0 0 0 15px rgba(249, 115, 22, 0), 0 15px 30px rgba(0,0,0,0.6);
    }

    100% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(249, 115, 22, 0), 0 10px 20px rgba(0,0,0,0.4);
    }
}

/*Box*/
.box {
    background: linear-gradient(145deg, #1e293b 0%, #0b1120 100%);
    border-radius: 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.7), 0 0 40px rgba(249, 115, 22, 0.05);
}

/* --- HEADER --- */
.box-head {
    background: rgba(255, 255, 255, 0.03);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    border-top-left-radius: 1.5rem;
    border-top-right-radius: 1.5rem;
    position: relative;
    padding: 1rem;
}

    .box-head .head-glow {
        position: absolute;
        top: -20px;
        right: -20px;
        width: 80px;
        height: 80px;
        background: radial-gradient(circle, rgba(249,115,22,0.2) 0%, transparent 70%);
        filter: blur(20px);
    }

    .box-head .head-icon {
        width: 42px;
        height: 42px;
        background: rgba(249, 115, 22, 0.1);
        border: 1px solid rgba(249, 115, 22, 0.2);
        border-radius: 12px;
        color: #f97316;
        font-size: 18px;
    }

    .box-head .head-text .title {
        letter-spacing: 1px;
        text-transform: uppercase;
        font-weight: bold;
        font-size: 1rem;
    }

    .box-head .head-text .subtitle {
        color: var(--text-secondary);
        font-size: 11px;
    }

.box-body {
    padding: 1rem;
}

/* Container bao quanh để định vị */
/* Container chính */
.custom-dropdown {
    position: relative;
}
/* Bảng danh sách đổ xuống */
.options-container {
}

.custom-dropdown .options {
    position: absolute;
    top: calc(100% + 5px);
    left: 0;
    width: 100%;
    background: rgba(30, 41, 59, 1);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 0.5rem;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
    z-index: 1000;
    max-height: 250px;
    overflow-y: auto;
    padding: 0.5rem;
}

    /* Từng mục ngân hàng */
    .custom-dropdown .options .option {
        cursor: pointer;
        transition: 0.2s;
    }

        .custom-dropdown .options .option:hover {
            background: rgba(255, 255, 255, 0.06);
        }

        .custom-dropdown .options .option.active {
            background: rgba(249, 115, 22, 0.15);
        }

        .custom-dropdown .options .option .check {
            color: var(--text-secondary);
            font-size: 12px;
            font-weight: bold;
            display: block;
            paint-order: stroke;
            stroke: currentColor;
            stroke-width: 50px;
        }

        .custom-dropdown .options .option.active .check {
            display: block;
            color: var(--orange-dark);
        }

    /* Thanh cuộn mảnh */
    .custom-dropdown .options::-webkit-scrollbar {
        width: 4px;
    }

    .custom-dropdown .options::-webkit-scrollbar-thumb {
        background: rgba(255, 255, 255, 0.1);
        border-radius: 10px;
    }

    .custom-dropdown .options:hover::-webkit-scrollbar-thumb {
        background: #f97316;
    }


.pulse {
    width: 6px;
    height: 6px;
    background: #22c55e;
    border-radius: 50%;
    margin-right: 6px;
    box-shadow: 0 0 8px #22c55e;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

table {
    border: 1px solid rgba(255, 255, 255, 0.1) !important;
    color: var(--text-secondary);
    width: 100%;
}

    table td {
        padding: 0.5rem;
        border: 1px solid rgba(255, 255, 255, 0.1) !important;
        text-align: center;
    }

.quick-amounts {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
    margin-top: 0.75rem;
}

.btn-chip {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #94a3b8;
    padding: 0.5rem;
    border-radius: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    transition: 0.2s;
}

    .btn-chip:hover {
        border-color: #f97316;
        color: #f97316;
        background: rgba(249, 115, 22, 0.05);
    }

    .btn-chip:active {
        transform: scale(0.95);
    }

.box-bottom {
    background: rgba(15, 23, 42, 0.4);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    border-bottom-left-radius: 24px;
    border-bottom-right-radius: 24px;
    padding: 1rem;
}

    .box-bottom p {
        color: #64748b;
        font-size: 11px;
        margin: 0;
    }

/* QR Container */
.qr-wrapper {
    position: relative;
    display: inline-block;
    background: #fff;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

    .qr-wrapper img {
        width: 180px;
        height: 180px;
    }

/* QR Border Trang trí */
.qr-border-top-left, .qr-border-bottom-right {
    position: absolute;
    width: 40px;
    height: 40px;
    border: 4px solid #f97316;
}

.qr-border-top-left {
    top: -5px;
    left: -5px;
    border-right: none;
    border-bottom: none;
    border-radius: 15px 0 0 0;
}

.qr-border-bottom-right {
    bottom: -5px;
    right: -5px;
    border-left: none;
    border-top: none;
    border-radius: 0 0 15px 0;
}

#countdown {
    background-color: var(--navy-glass);
    border-radius: 0.75rem;
    font-weight: bold;
    text-transform: uppercase;
    font-size: 16px;
}

.warning-box {
    background: rgba(234, 88, 12, 0.1);
    border: 1px solid rgba(234, 88, 12, 0.2);
    border-radius: 12px;
    color: #fbd38d;
    font-size: 12px;
    display: flex;
}

    .warning-box i {
        font-size: 18px;
        color: #f97316;
    }

.reward-popup {
    position: fixed;
    bottom: 95px; /* Né tawk.to */
    z-index: 999999;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
    /* Căn giữa linh hoạt */
    left: 50%;
    transform: translate(-50%, 20px);
    width: max-content; /* Chỉ rộng bằng đúng nội dung */
    max-width: 95%; /* Không bao giờ vượt quá chiều ngang màn hình */
}

    .reward-popup.show {
        visibility: visible;
        opacity: 1;
        transform: translate(-50%, 0);
    }

.reward-body {
    background: rgba(15, 15, 15, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: #fff;
    padding: 6px 14px;
    border-radius: 20px;
    border: 1px solid rgba(255, 202, 40, 0.5);
    display: flex;
    align-items: center;
    box-shadow: 0 8px 20px rgba(0,0,0,0.5);
    font-family: Arial, sans-serif;
}

.reward-icon {
    margin-right: 8px;
    font-size: 14px;
    flex-shrink: 0; /* Không cho icon bị bóp méo */
}

#reward-text {
    font-size: 12.5px;
    line-height: 1.2;
    overflow: hidden;
    text-overflow: ellipsis; /* Nếu dài quá thì hiện dấu ... */
}

    #reward-text b {
        color: #ffca28;
        white-space: nowrap;
    }

/* PC: Đẩy về góc trái */
@media (min-width: 768px) {
    .reward-popup {
        left: 20px;
        transform: translateX(-110%);
        margin: 0;
    }

        .reward-popup.show {
            transform: translateX(0);
        }
}


.toast-container {
    position: fixed;
    top: 68px;
    right: 1rem;
    z-index: 9999;
}

.lux-toast {
    background: rgba(30, 41, 59, 0.9);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(249, 115, 22, 0.3);
    border-left: 3px solid #f97316;
    color: #fff;
    padding: 0.5rem;
    border-radius: 0.75rem;
    min-width: 180px;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    transform: translateX(120%);
    transition: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    position: relative;
    overflow: hidden;
}

    .lux-toast.show {
        transform: translateX(0);
    }

.toast-content {
    display: flex;
    align-items: center;
    flex: 1;
}

.toast-icon {
    font-size: 18px;
    color: #f97316;
}

.toast-msg {
    font-size: 13px;
    font-weight: 600;
}

.toast-close {
    cursor: pointer !important;
    color: #64748b;
    font-size: 14px;
    transition: 0.2s;
}

    .toast-close:hover {
        color: #fff;
    }

/* Thanh chạy thời gian */
.toast-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 3px;
    width: 100%;
    background: rgba(249, 115, 22, 0.2);
}

    .toast-progress::before {
        content: '';
        position: absolute;
        bottom: 0;
        left: 0;
        height: 100%;
        width: 100%;
        background: #f97316;
        animation: progress-ani linear forwards;
    }

@keyframes progress-ani {
    from {
        width: 100%;
    }

    to {
        width: 0%;
    }
}

.cursor-pointer {
    cursor: pointer;
}

.fs-small {
    font-size: 0.8rem;
}

.fs-medium {
    font-size: 0.9rem;
}

/* Icon Animation Success */
.status-icon {
    position: relative;
    width: 80px;
    height: 80px;
    margin: 0 auto;
}

.icon-circle {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 35px;
    z-index: 2;
    position: relative;
}

/* Màu Success */
.success .icon-circle {
    background: linear-gradient(135deg, #22c55e, #16a34a);
    color: white;
    box-shadow: 0 0 30px rgba(34, 197, 94, 0.4);
}

/* Màu Error */
.error .icon-circle {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: white;
    box-shadow: 0 0 30px rgba(239, 68, 68, 0.4);
}

/* Vòng tròn sóng (Pulse) cho Success */
.pulse-ring {
    position: absolute;
    top: 0;
    left: 0;
    width: 80px;
    height: 80px;
    border: 4px solid #22c55e;
    border-radius: 50%;
    animation: statusPulse 2s infinite;
    opacity: 0;
}

@keyframes statusPulse {
    0% {
        transform: scale(0.8);
        opacity: 0.5;
    }

    100% {
        transform: scale(1.5);
        opacity: 0;
    }
}

.error-hint {
    font-size: 12px;
    color: #ef4444;
    background: rgba(239, 68, 68, 0.1);
    padding: 0.5rem 1rem;
    border-radius: 8px;
}
/* Khi ở trạng thái 'valid' (không có lỗi), ẩn nó đi */
.validation-summary-valid {
    display: none;
}

/* Style cho Label (Vỏ bọc ngoài) */
.radio-label {
    display: block;
    position: relative;
    background: rgba(30, 41, 59, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #94a3b8;
    cursor: pointer;
    text-align: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-weight: bold;
    padding: 0.75rem;
    border-radius: 0.75rem;
    font-size: 1rem;
}
/* Icon check nhỏ ở góc */
.check-icon {
    position: absolute;
    top: 5px;
    right: 5px;
    color: #f97316;
    opacity: 0;
    transform: scale(0.5);
    transition: 0.3s;
}

/* TRẠNG THÁI KHI ĐƯỢC CHỌN (CHECKED) */
.radio-item input[type="radio"]:checked + .radio-label {
    background: rgba(249, 115, 22, 0.1); /* Màu cam nhạt */
    border-color: #f97316;
    color: #f8fafc;
    box-shadow: 0 0 15px rgba(249, 115, 22, 0.1);
}

    .radio-item input[type="radio"]:checked + .radio-label .check-icon {
        opacity: 1;
        transform: scale(1);
    }

    .radio-item input[type="radio"]:checked + .radio-label .radio-content i {
        color: #f97316;
    }

/* Hiệu ứng Hover */
.radio-label:hover {
    border-color: rgba(249, 115, 22, 0.5);
    background: rgba(30, 41, 59, 0.8);
}





.activation-alert {
    background: rgba(30, 41, 59, 0.4); /* Sapphire trong suốt */
    backdrop-filter: blur(12px);
    border-radius: 1rem;
    /* Viền gradient cực mỏng tạo cảm giác sang trọng */
    border: 1px solid rgba(255, 255, 255, 0.05) !important;
}

/* Hiệu ứng ánh sáng vàng dịu ở chính giữa */
.glow-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 200px;
    height: 100%;
    background: radial-gradient(circle, rgba(245, 158, 11, 0.08) 0%, rgba(245, 158, 11, 0) 70%);
    z-index: 0;
}

/* Đường kẻ trang trí tinh tế thay cho icon */
.divider-center {
    width: 40px;
    height: 2px;
    background: linear-gradient(90deg, transparent, #f59e0b, transparent);
    margin: 0 auto;
}

.z-index-1 {
    position: relative;
    z-index: 1;
}

/* Tăng nhẹ khoảng cách chữ cho tiêu đề */
.activation-alert h6 {
    font-size: 15px;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.1);
}

.calendars {
}

    .calendars .calendar {
        border: 1px solid rgba(255, 255, 255, 0.08);
        background-color: var(--navy-glass);
    }

        .calendars .calendar .calendar-head {
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            width: 100%;
            text-align: center;
            text-transform: uppercase;
            font-weight: 500;
            background-color: rgb(20 28 47 / 90%);
        }

        .calendars .calendar .calendar-body {
            padding: 0.5rem;
        }

.calendar-item {
    padding: 0.25rem 0.5rem;
}

    .calendar-item:hover {
        background-color: rgba(30, 41, 59, 0.9);
    }

.total-info {
    background: linear-gradient(180deg, rgba(255, 152, 0, 0.08) 0%, rgba(30, 41, 59, 0.4) 100%);
    border: 1px solid rgba(255, 152, 0, 0.2);
    border-radius: 0.75rem;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.total-amount {
    font-size: 2rem;
    font-weight: 800;
    line-height: 1;
    text-shadow: 0 0 15px rgba(255, 152, 0, 0.3);
}

    .total-amount .currency {
        font-size: 1rem;
        opacity: 0.9;
    }

/* Modal trong suốt hoàn toàn */
.modal-transparent .modal-content {
    background: transparent !important;
    border: none !important;
}

    /* Hiệu ứng cho ảnh GIF */
    .modal-transparent .modal-content .modal-body img {
        max-width: 250px;
        filter: drop-shadow(0 0 20px rgba(255, 215, 0, 0.6));
        transition: transform 0.3s;
        cursor: pointer;
    }

        .modal-transparent .modal-content .modal-body img:hover {
            transform: scale(1.05);
        }
    /* Tiêu đề đổ bóng để dễ đọc trên mọi nền */
    .modal-transparent .modal-content .modal-body .modal-caption {
        color: #ffcc00; /* Màu vàng Tết */
        text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.8);
        margin-top: 20px;
    }
/* Hiệu ứng số tiền */
#money-amount {
    font-size: 2rem;
    font-weight: bold;
    color: #ffcc00;
    text-shadow: 0 0 20px rgba(255, 204, 0, 0.8), 2px 2px 5px black;
}

.modal-backdrop.show {
    opacity: 0.85;
}