/* Bảng màu chung: mọi nút nổi dùng đúng màu của nút "Lên đầu trang" (primary). */
#nam-floating-contacts,
#nam-support-container {
    --nam-fb-color: var(--wp--preset--color--primary, #398D42);
    --nam-fb-color-dark: #2d7535;
}

#nam-floating-contacts {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 999999;
    display: flex;
    flex-direction: column;
    gap: 15px;
    align-items: flex-end;
}

#nam-floating-contacts a {
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: visible;
}

#nam-floating-contacts .nam-label {
    position: absolute;
    right: 75px;
    padding: 6px 15px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transform: translateX(15px);
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    pointer-events: none;
}

#nam-floating-contacts a:hover .nam-label {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

/* --- Style 1 (Default) --- */
#nam-floating-contacts.nam-default a {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

#nam-floating-contacts.nam-default .nam-label {
    color: #fff;
    right: 75px;
}

#nam-floating-contacts.nam-default .nam-fb { background: var(--nam-fb-color, #398D42); }
#nam-floating-contacts.nam-default .nam-fb .nam-label { background: var(--nam-fb-color, #398D42); }

#nam-floating-contacts.nam-default .nam-zalo { background: var(--nam-fb-color, #398D42); }
#nam-floating-contacts.nam-default .nam-zalo .nam-label { background: var(--nam-fb-color, #398D42); }

#nam-floating-contacts.nam-default .nam-phone {
    background: var(--nam-fb-color, #398D42);
    width: auto;
    padding: 0 20px 0 10px;
    border-radius: 30px;
}
#nam-floating-contacts.nam-default .nam-phone .nam-label { background: var(--nam-fb-color, #398D42); }

#nam-floating-contacts.nam-default .nam-phone .nam-icon {
    width: 40px;
    height: 40px;
    background: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 10px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

#nam-floating-contacts.nam-default .nam-phone .nam-icon svg {
    fill: var(--nam-fb-color, #398D42);
}

#nam-floating-contacts.nam-default .nam-phone-text {
    color: #fff;
    font-weight: 700;
    font-size: 16px;
}

#nam-floating-contacts.nam-default .nam-phone { animation: namPulse 2s infinite; }
#nam-floating-contacts.nam-default .nam-fb { animation: namPulseFB 2s infinite 1s; }

/* --- Style 2 (Design Snippet) --- */
#nam-floating-contacts.nam-style-2 {
    bottom: 80px;
    right: 16px;
    gap: 12px;
}

#nam-floating-contacts.nam-style-2 a {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    box-shadow: 0 6px 14px rgba(0,0,0,.25);
    transition: transform .2s ease;
}

#nam-floating-contacts.nam-style-2 a:hover {
    transform: scale(1.06);
}

#nam-floating-contacts.nam-style-2 .nam-phone,
#nam-floating-contacts.nam-style-2 .nam-fb,
#nam-floating-contacts.nam-style-2 .nam-zalo { background: var(--nam-fb-color, #398D42); }

#nam-floating-contacts.nam-style-2 .nam-icon {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

#nam-floating-contacts.nam-style-2 .nam-icon img {
    width: 56px;
    height: 56px;
    object-fit: contain;
    z-index: 2;
}

/* Icon SVG trắng nằm trên lớp pulse */
#nam-floating-contacts.nam-style-2 .nam-icon svg {
    position: relative;
    z-index: 2;
}

#nam-floating-contacts.nam-style-2 .nam-pulse {
    position: absolute;
    width: 78px;
    height: 78px;
    border-radius: 50%;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    animation: namPulseStyle2 2s infinite ease-out;
    opacity: .7;
    pointer-events: none;
    z-index: 1;
}

#nam-floating-contacts.nam-style-2 .nam-phone .nam-pulse,
#nam-floating-contacts.nam-style-2 .nam-fb .nam-pulse,
#nam-floating-contacts.nam-style-2 .nam-zalo .nam-pulse { background: rgba(57, 141, 66, .35); }

@keyframes namPulseStyle2 {
    0% { transform: translate(-50%,-50%) scale(.8); opacity:.6; }
    70% { transform: translate(-50%,-50%) scale(1.3); opacity:0; }
    100% { opacity:0; }
}

#nam-floating-contacts.nam-style-2 .nam-label {
    right: 85px;
    background: rgba(255, 255, 255, 0.95);
    color: #333;
    padding: 6px 15px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

/* Custom Back to Top button inside floating contacts stack */
#nam-floating-contacts.nam-style-2 .nam-back-to-top {
    background: var(--wp--preset--color--primary, #398D42) !important;
}

#nam-floating-contacts.nam-default .nam-back-to-top {
    background: var(--wp--preset--color--primary, #398D42) !important;
}

#nam-floating-contacts.nam-default .nam-back-to-top .nam-label {
    background: var(--wp--preset--color--primary, #398D42) !important;
}

/* --- Common Animations --- */
@keyframes namPulse {
    0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(57, 141, 66, 0.7); }
    70% { transform: scale(1.05); box-shadow: 0 0 0 15px rgba(57, 141, 66, 0); }
    100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(57, 141, 66, 0); }
}

@keyframes namPulseFB {
    0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(57, 141, 66, 0.7); }
    70% { transform: scale(1.05); box-shadow: 0 0 0 15px rgba(57, 141, 66, 0); }
    100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(57, 141, 66, 0); }
}

/* --- Mobile Responsive --- */
@media (max-width: 768px) {
    /* Style 2 Mobile: Chỉ hiện Zalo */
    #nam-floating-contacts.nam-style-2 .nam-phone,
    #nam-floating-contacts.nam-style-2 .nam-fb {
        display: none;
    }
}

@media (max-width: 480px) {
    #nam-floating-contacts:not(.nam-style-2) {
        bottom: 20px;
        right: 20px;
        gap: 10px;
    }
    
    #nam-floating-contacts.nam-default a {
        width: 50px;
        height: 50px;
    }
    
    #nam-floating-contacts.nam-default .nam-phone {
        width: 50px;
        padding: 0;
        border-radius: 50%;
    }
    
    #nam-floating-contacts.nam-default .nam-phone .nam-icon {
        margin-right: 0;
        width: 100%;
        height: 100%;
    }
    
    #nam-floating-contacts.nam-default .nam-phone-text {
        display: none;
    }

    #nam-floating-contacts .nam-label {
        display: none; 
    }
}

/* --- Support Section --- */
#nam-support-container {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 999999;
}

.nam-support-toggle {
    background: var(--nam-fb-color, #398D42);
    color: #fff;
    border: none;
    padding: 12px 24px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(0,0,0,0.15);
    font-weight: 700;
    font-size: 16px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    outline: none;
}

.nam-support-toggle:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(57, 141, 66, 0.4);
    background: var(--nam-fb-color-dark, #2d7535);
}

.nam-support-toggle.is-active {
    background: var(--nam-fb-color-dark, #2d7535);
}

.nam-support-icon svg {
    display: block;
}

.nam-support-popup {
    position: absolute;
    bottom: 70px;
    right: 0;
    width: 350px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
    display: none;
    flex-direction: column;
    overflow: hidden;
    transform-origin: bottom right;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(0,0,0,0.05);
}

.nam-support-popup.is-active {
    display: flex;
    animation: namPopupIn 0.3s ease-out forwards;
}

@keyframes namPopupIn {
    from { opacity: 0; transform: scale(0.9) translateY(20px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}

.nam-support-header {
    background: var(--nam-fb-color, #398D42);
    color: #fff;
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 700;
    font-size: 18px;
}

.nam-support-close {
    background: none;
    border: none;
    color: #fff;
    font-size: 28px;
    cursor: pointer;
    line-height: 1;
    padding: 0;
    opacity: 0.8;
    transition: opacity 0.2s;
}

.nam-support-close:hover {
    opacity: 1;
}

.nam-support-body {
    padding: 25px 20px;
    max-height: 500px;
    overflow-y: auto;
    background: #ffffff;
}

.nam-support-body p.nam-no-form {
    margin: 0;
    text-align: center;
    color: #888;
    font-style: italic;
}

/* --- Universal Clean Premium Style for CF7 Forms in Support Popup --- */
.nam-support-body .wpcf7-form {
    margin: 0;
}

.nam-support-body .wpcf7-form br {
    display: none;
}

.nam-support-body .wpcf7-form p {
    margin-bottom: 18px;
    color: #333;
    font-size: 14px;
}

.nam-support-body label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #444;
}

/* Row & Column Layout Support */
.nam-support-body .row {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 15px;
}

.nam-support-body .column {
    flex: 1;
    min-width: 140px;
}

/* Clean Modern Inputs */
.nam-support-body .wpcf7-form-control:not(.wpcf7-submit) {
    width: 100% !important;
    background-color: #f8f9fa !important;
    color: #222 !important;
    border: 1px solid #e0e0e0 !important;
    border-radius: 8px !important;
    padding: 12px 15px !important;
    font-size: 15px;
    box-sizing: border-box;
    transition: all 0.2s ease;
    box-shadow: inset 0 1px 2px rgba(0,0,0,0.05);
}

.nam-support-body .wpcf7-form-control:not(.wpcf7-submit):focus {
    background-color: #ffffff !important;
    border-color: var(--nam-fb-color, #398D42) !important;
    outline: none;
    box-shadow: 0 0 0 4px rgba(132, 180, 4, 0.1);
}

.nam-support-body .wpcf7-form-control::placeholder {
    color: #999 !important;
    opacity: 1;
}

.nam-support-body textarea.wpcf7-textarea {
    height: 100px !important;
    resize: vertical;
}

/* Premium Submit Button */
.nam-support-body .wpcf7-submit {
    width: 100% !important;
    background: var(--nam-fb-color, #398D42) !important;
    color: #ffffff !important;
    border: none !important;
    padding: 14px 20px !important;
    border-radius: 8px !important;
    font-weight: 700 !important;
    font-size: 16px !important;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 5px;
}

.nam-support-body .wpcf7-submit:hover {
    background: var(--nam-fb-color-dark, #2d7535) !important;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

/* Validation & Response Styles */
.nam-support-body .wpcf7-not-valid-tip {
    font-size: 12px;
    color: #dc3545 !important;
    margin-top: 5px;
    display: block;
}

.nam-support-body .wpcf7-response-output {
    margin: 20px 0 0 0 !important;
    padding: 12px 15px !important;
    border-radius: 8px !important;
    font-size: 14px;
    text-align: center;
    border: 1px solid #ddd !important;
    background: #fdfdfd !important;
    color: #444 !important;
}

.nam-support-body .wpcf7-spinner {
    position: absolute;
    bottom: 25px;
    right: 20px;
}

/* Responsive adjustments */
@media (max-width: 480px) {
    .nam-support-popup {
        width: calc(100vw - 40px);
        right: -10px;
        bottom: 60px;
    }
    
    #nam-support-container {
        bottom: 20px;
        right: 20px;
    }
    
    .nam-support-toggle {
        padding: 10px 15px;
        font-size: 14px;
    }
}