:root {
    --byd-primary: #00ADB5;
    --byd-secondary: #00FFF0;
    --byd-dark: #3b3d40;
    --byd-dark-card: rgb(86 98 135 / 85%);
    --byd-border: rgba(255, 255, 255, 0.12);
}
.logo-desktop {
    height: 20px;
}
body {
    font-family: 'Inter', sans-serif;
    background-color: var(--byd-dark) !important;
    color: #F8FAFC;
    overflow-x: hidden;
}
#text-detail img {
    margin: 0 auto;
    display: block;
    max-width: 100%;
    height: auto;
    padding: .25rem;
    background-color: var(--bs-body-bg);
    border: var(--bs-border-width) solid var(--bs-border-color);
    border-radius: var(--bs-border-radius);
}
.design-by-techsoftplus {
    display: flex;
    border-top: 1px #777 dashed;
    padding-top: 25px;
    justify-content: center;
    align-items: end;
    padding-bottom: 50px;
}

    .design-by-techsoftplus a {
        font-size: 12px;
        color: #7d8487;
        text-decoration: none;
    }
/* Custom Colors & Utilities */
.text-byd-cyan {
    color: #00C6FF !important;
}

.text-byd-blue {
    color: #0052D4 !important;
}

.bg-byd-dark {
    background-color: #4b505f !important;
}
.text-secondary {
    color: var(--byd-secondary) !important;
}
.bg-byd-card {
    background-color: #142a4b !important;
}

.bg-byd-gradient {
    background: linear-gradient(135deg, #0052D4 0%, #00C6FF 100%) !important;
}
.bg-byd-card-gradient {
    background: radial-gradient(circle at center, #7eafff 0%, #142b67 100%)!important;
}
.border-byd {
    border-color: rgba(255, 255, 255, 0.1) !important;
}

.border-byd-cyan {
    border-color: #00C6FF !important;
}

.car-img-transition {
    transition: all 0.5s ease-in-out;
}

.btn-byd-primary {
    background: linear-gradient(135deg, #0052D4 0%, #00C6FF 100%);
    color: #ffffff;
    border: none;
    border-radius: 50rem;
    font-weight: 600;
    padding: 0.6rem 1.8rem;
    box-shadow: 0 10px 20px -5px rgba(0, 198, 255, 0.3);
    transition: all 0.3s ease;
}

    .btn-byd-primary:hover {
        color: #ffffff;
        transform: translateY(-2px);
        box-shadow: 0 15px 25px -5px rgba(0, 198, 255, 0.5);
    }

.btn-byd-outline {
    background-color: rgba(18, 28, 56, 0.8);
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50rem;
    font-weight: 600;
    padding: 0.6rem 1.8rem;
    transition: all 0.3s ease;
}

    .btn-byd-outline:hover {
        background-color: rgba(255, 255, 255, 0.1);
        color: #00C6FF;
        border-color: #00C6FF;
    }

/* Swatch buttons */
.color-btn {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 3px solid #1c2541;
    cursor: pointer;
    transition: transform 0.2s ease, border-color 0.2s ease;
}

    .color-btn:hover, .color-btn.active {
        transform: scale(1.15);
        border-color: #00C6FF !important;
    }

/* Modal custom dark */
.modal-content {
    background-color: #121c38;
    color: #f8fafc;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 1.5rem;
}

.form-control, .form-select {
    background-color: #0b132b;
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: #ffffff;
    border-radius: 0.75rem;
}

    .form-control:focus, .form-select:focus {
        background-color: #0b132b;
        color: #ffffff;
        border-color: #00C6FF;
        box-shadow: 0 0 0 0.25rem rgba(0, 198, 255, 0.25);
    }

.spec-row:nth-child(even) {
    background-color: rgba(0, 0, 0, 0.2);
}

.badge-cyan {
    background-color: rgba(0, 198, 255, 0.15);
    color: #00C6FF;
    border: 1px solid rgba(0, 198, 255, 0.3);
    border-radius: 50rem;
    padding: 0.4em 1em;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}
/* Floating Social Media & Back to top */
.social-float-bar {
    position: fixed;
    bottom: 90px;
    right: 20px;
    z-index: 1040;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.social-btn {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 20px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-decoration: none;
}

    .social-btn:hover {
        transform: scale(1.15);
        color: white;
    }

.btn-zalo {
    background: #0068FF;
}

.btn-messenger {
    background: linear-gradient(135deg, #0084FF, #A800E0);
}

.btn-tiktok {
    background: #000000;
    border: 1px solid rgba(255,255,255,0.2);
}
.btn-hotline {
    background: #0abf07;
    border: 1px solid rgba(255,255,255,0.2);
}
#backToTopBtn {
    position: fixed;
    bottom: 25px;
    right: 20px;
    z-index: 1040;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--byd-primary);
    color: #fff;
    border: none;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    box-shadow: 0 4px 15px rgba(0, 173, 181, 0.5);
    cursor: pointer;
    transition: all 0.3s ease;
}

    #backToTopBtn:hover {
        background: var(--byd-secondary);
        color: #0F172A;
        transform: translateY(-3px);
    }

/* Live Chat Widget */
.chat-widget-btn {
    position: fixed;
    bottom: 25px;
    left: 20px;
    z-index: 1040;
    background: linear-gradient(135deg, #00ADB5, #00FFF0);
    color: #0F172A;
    border: none;
    border-radius: 30px;
    padding: 10px 20px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 4px 20px rgba(0, 255, 240, 0.4);
    cursor: pointer;
    transition: transform 0.3s ease;
}

    .chat-widget-btn:hover {
        transform: scale(1.05);
    }

.chat-window {
    position: fixed;
    bottom: 90px;
    left: 20px;
    width: 360px;
    max-width: calc(100vw - 40px);
    height: 480px;
    z-index: 1050;
    display: none;
    flex-direction: column;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.6);
}

.chat-header {
    background: linear-gradient(135deg, #0F172A, #1E293B);
    padding: 15px;
    border-bottom: 1px solid var(--byd-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.chat-body {
    flex-grow: 1;
    padding: 15px;
    overflow-y: auto;
    background: #0B1120;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.chat-msg {
    max-width: 80%;
    padding: 10px 14px;
    border-radius: 14px;
    font-size: 0.9rem;
    line-height: 1.4;
}

.chat-msg-bot {
    background: #1E293B;
    color: #E2E8F0;
    align-self: flex-start;
    border-bottom-left-radius: 2px;
    border: 1px solid var(--byd-border);
}

.chat-msg-user {
    background: var(--byd-primary);
    color: #FFFFFF;
    align-self: flex-end;
    border-bottom-right-radius: 2px;
}

.chat-footer {
    padding: 10px;
    background: #0F172A;
    border-top: 1px solid var(--byd-border);
    display: flex;
    gap: 8px;
}
.glass-nav {
    background: rgb(0 24 83 / 85%);
    /*rgb(0 24 83 / 85%)*/ 
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--byd-border);
}
.shadow-lg .bg-dark {
    background-color: rgb(217 227 237 / 39%) !important;
}
/*rgb(217 227 237 / 39%) !important*/