body {
            font-family: 'Anuphan', sans-serif;
            background-color: #EBE5F0;
            color: #4A4A4A;
            overflow-x: hidden;
        }
        .text-purple { color: #8A64B3 !important; }
        .bg-purple { background: linear-gradient(135deg, #8A64B3, #A382C7) !important; color: white !important; }
        
        .btn-purple { 
            background: linear-gradient(135deg, #8A64B3, #A382C7); 
            color: white; 
            border: none; 
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
            z-index: 1;
        }
        .btn-purple::before {
            content: '';
            position: absolute;
            top: 0; left: -100%; width: 100%; height: 100%;
            background: rgba(255,255,255,0.2);
            transition: all 0.4s ease;
            z-index: -1;
        }
        .btn-purple:hover::before { left: 0; }
        .btn-purple:hover { transform: translateY(-3px); box-shadow: 0 8px 20px rgba(138, 100, 179, 0.4); color: white; }
        
/* ============================================================
   WHATISBIOPLUS — Pastel Professional Navbar
   Visual-only refresh inspired by the Login / Register UI
   ============================================================ */
:root {
    --nav-purple: #7651b5;
    --nav-purple-dark: #4d3278;
    --nav-lilac: #eee5ff;
    --nav-pink: #ef8fbb;
    --nav-pink-soft: #fff0f7;
    --nav-text: #33283d;
    --nav-muted: #776f80;
    --nav-line: #eadff2;
}

.navbar {
    background: linear-gradient(180deg, rgba(255,250,254,.96), rgba(248,242,255,.92)) !important;
    min-height: 84px;
    padding: 10px 14px !important;
    z-index: 1040;
    border: 0;
    box-shadow: none !important;
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
}

.navbar > .container {
    max-width: 1320px;
    min-height: 64px;
    padding: 7px 10px;
    background: rgba(255,255,255,.94);
    border: 1px solid rgba(118,81,181,.12);
    border-radius: 22px;
    box-shadow: 0 12px 34px rgba(77,50,120,.09);
}

.navbar-brand {
    display: inline-flex;
    align-items: center;
    gap: 11px;
    margin-right: 20px;
    padding: 0 4px;
    text-decoration: none;
    flex: 0 0 auto;
}

.site-logo-shell {
    width: 54px;
    height: 54px;
    aspect-ratio: 1 / 1;
    flex: 0 0 54px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 4px;
    background: #fff;
    border: 1px solid rgba(118,81,181,.14);
    border-radius: 17px;
    box-shadow: 0 8px 22px rgba(77,50,120,.11), 0 0 0 4px rgba(239,143,187,.045);
    transition: transform .2s ease, box-shadow .2s ease;
}

.navbar-brand:hover .site-logo-shell {
    transform: translateY(-1px) rotate(-1deg);
    box-shadow: 0 10px 26px rgba(77,50,120,.14), 0 0 0 5px rgba(239,143,187,.06);
}

.site-logo-shell img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
    border-radius: 12px;
}

.site-brand-name {
    color: var(--nav-purple-dark);
    font-weight: 800;
    font-size: 1.02rem;
    letter-spacing: .015em;
    white-space: nowrap;
}

.nav-link {
    color: #4d4255 !important;
    text-shadow: none;
    border-radius: 13px;
    font-weight: 600;
    line-height: 1.2;
    transition: color .18s ease, background-color .18s ease, transform .18s ease, box-shadow .18s ease;
}

.nav-link > i:not(.fa-chevron-down) {
    color: var(--nav-purple) !important;
}

.nav-link:hover {
    color: var(--nav-purple-dark) !important;
    background: linear-gradient(135deg, rgba(238,229,255,.82), rgba(255,240,247,.72));
    transform: translateY(-1px);
}

.nav-link.active {
    color: var(--nav-purple-dark) !important;
    background: linear-gradient(135deg, #eee5ff, #fff0f7);
    box-shadow: inset 0 0 0 1px rgba(118,81,181,.08);
    font-weight: 800;
}

.navbar .btn-purple {
    min-height: 44px;
    border-radius: 14px !important;
    padding-inline: 18px !important;
    background: linear-gradient(135deg, #7651b5 0%, #9569c7 54%, #d67fab 135%) !important;
    box-shadow: 0 8px 20px rgba(118,81,181,.18) !important;
    font-weight: 800 !important;
}
.navbar .btn-purple:hover {
    transform: translateY(-1px);
    box-shadow: 0 11px 25px rgba(118,81,181,.24) !important;
}

.navbar .dropdown-toggle {
    padding: 6px 10px !important;
    border: 1px solid transparent;
}
.navbar .dropdown-toggle:hover {
    border-color: rgba(118,81,181,.10);
}
.navbar .dropdown-menu {
    min-width: 235px;
    padding: 8px;
    border: 1px solid rgba(118,81,181,.10) !important;
    border-radius: 17px !important;
    box-shadow: 0 18px 44px rgba(77,50,120,.14) !important;
}
.navbar .dropdown-item {
    border-radius: 11px;
    color: #55485e;
}
.navbar .dropdown-item:hover {
    color: var(--nav-purple-dark);
    background: linear-gradient(135deg, #f5efff, #fff3f8);
}

.navbar-toggler {
    width: 44px;
    height: 44px;
    display: inline-grid;
    place-items: center;
    padding: 0 !important;
    color: var(--nav-purple) !important;
    background: linear-gradient(135deg, #f5efff, #fff3f8) !important;
    border: 1px solid rgba(118,81,181,.13) !important;
    border-radius: 14px !important;
    transition: transform .18s ease, background .18s ease, box-shadow .18s ease;
}
.navbar-toggler:hover,
.navbar-toggler:focus {
    background: linear-gradient(135deg, #eee5ff, #ffeaf4) !important;
    box-shadow: 0 7px 18px rgba(77,50,120,.10) !important;
}
.navbar-toggler:active { transform: scale(.96); }
.navbar-toggler .menu-close-icon { display: none; }
.navbar-toggler[aria-expanded="true"] .menu-open-icon { display: none; }
.navbar-toggler[aria-expanded="true"] .menu-close-icon { display: inline-block; }

@media (min-width: 1200px) {
    .navbar-left { margin-right: auto; }
    .navbar-right { margin-left: auto; }
    .nav-link {
        font-size: .94rem;
        padding: 10px 12px !important;
        margin: 0 1px;
    }
}

@media (max-width: 1199.98px) {
    .navbar {
        min-height: 74px;
        padding: 7px 8px !important;
        background: rgba(255,250,254,.97) !important;
    }

    /* แถวบนมือถือ: 3 ขีดซ้าย + โลโก้กลางจอ ไม่ขยับเมื่อกางเมนู */
    .navbar > .container {
        position: relative;
        min-height: 58px;
        padding: 6px 8px;
        align-items: flex-start;
        border-radius: 19px;
        background: rgba(255,255,255,.97);
    }

    .navbar-brand {
        position: absolute;
        left: 50%;
        top: 5px;
        transform: translateX(-50%);
        z-index: 7;
        margin: 0 !important;
        padding: 0;
    }
    .navbar-brand:hover .site-logo-shell { transform: none; }

    .site-logo-shell {
        width: 48px;
        height: 48px;
        flex-basis: 48px;
        padding: 3px;
        border-radius: 15px;
        box-shadow: 0 6px 18px rgba(77,50,120,.10), 0 0 0 3px rgba(239,143,187,.04);
    }
    .site-logo-shell img { border-radius: 11px; }
    .site-brand-name { display: none; }

    .navbar-toggler {
        position: relative;
        z-index: 8;
        margin-left: 0 !important;
        margin-right: auto !important;
        align-self: flex-start;
        width: 46px;
        height: 46px;
    }

    .navbar-collapse {
        flex-basis: 100%;
        width: 100%;
        margin-top: 13px;
        padding: 14px;
        background:
            radial-gradient(circle at 95% 0%, rgba(239,143,187,.10), transparent 30%),
            linear-gradient(145deg, rgba(250,247,255,.98), rgba(255,249,252,.99));
        border: 1px solid rgba(118,81,181,.10);
        border-radius: 18px;
        box-shadow: 0 15px 36px rgba(77,50,120,.10);
    }

    .navbar-nav { width: 100%; }
    .navbar-nav .nav-item { width: 100%; }
    .navbar-nav .nav-link {
        width: 100%;
        min-height: 51px;
        padding: 9px 11px !important;
        margin: 3px 0;
        display: flex;
        align-items: center;
        border: 0;
        border-radius: 14px;
        font-size: .96rem;
    }
    .navbar-nav .nav-link > i:not(.fa-chevron-down) {
        width: 34px;
        height: 34px;
        flex: 0 0 34px;
        margin-right: 10px !important;
        display: inline-grid;
        place-items: center;
        border-radius: 11px;
        background: rgba(118,81,181,.08);
        font-size: 1rem;
    }
    .navbar-nav .nav-link:hover,
    .navbar-nav .nav-link.active {
        transform: none;
        background: linear-gradient(135deg, rgba(238,229,255,.88), rgba(255,240,247,.78));
    }

    .navbar-right { margin-top: 1px; }

    .navbar-mobile-account {
        margin-top: 11px !important;
        padding-top: 13px;
        border-top: 1px solid rgba(118,81,181,.09);
    }

    .mobile-profile-card {
        width: 100%;
        margin-bottom: 11px !important;
        padding: 13px !important;
        background: rgba(255,255,255,.92) !important;
        border: 1px solid rgba(118,81,181,.10) !important;
        border-radius: 16px !important;
        box-shadow: 0 8px 22px rgba(77,50,120,.06) !important;
    }

    .stat-card {
        min-width: 0;
        background: rgba(255,255,255,.92);
        border: 1px solid rgba(118,81,181,.11);
        border-radius: 15px;
        padding: 11px;
        display: flex;
        align-items: center;
        gap: 9px;
        box-shadow: 0 6px 16px rgba(77,50,120,.045);
    }
    .stat-card:hover { background: #fff; }
    .stat-icon {
        width: 37px;
        height: 37px;
        flex: 0 0 37px;
        display: grid;
        place-items: center;
        border-radius: 12px;
    }
    .bg-purple-light { background: linear-gradient(135deg, #eee5ff, #f7f2ff); }
    .bg-warning-light { background: #fff7df; }
    .stat-details { display: flex; flex-direction: column; min-width: 0; width: 100%; }
    .stat-title { font-size: .77rem; color: #55485e; font-weight: 700; line-height: 1.25; }
    .stat-value { font-size: 1.06rem; font-weight: 800; line-height: 1.05; margin-top: 5px; }

    .navbar-mobile-login {
        min-height: 50px !important;
        border-radius: 14px !important;
    }

    .social-icons-mobile {
        display: flex;
        justify-content: center;
        gap: 9px;
        margin-top: 15px;
        padding-top: 14px;
        border-top: 1px dashed rgba(118,81,181,.16);
    }
    .social-icons-mobile a {
        width: 40px;
        height: 40px;
        border-radius: 13px;
        background: #fff;
        color: var(--nav-purple);
        display: flex;
        align-items: center;
        justify-content: center;
        border: 1px solid rgba(118,81,181,.11);
        box-shadow: 0 5px 14px rgba(77,50,120,.05);
        transition: transform .18s ease, color .18s ease, background .18s ease;
    }
    .social-icons-mobile a:hover {
        transform: translateY(-2px);
        color: #fff;
        background: linear-gradient(135deg, var(--nav-purple), var(--nav-pink));
    }
}

@media (max-width: 575.98px) {
    .navbar { padding-inline: 6px !important; }
    .navbar > .container { border-radius: 17px; }
    .site-logo-shell { width: 46px; height: 46px; flex-basis: 46px; }
    .navbar-brand { top: 6px; }
    .navbar-toggler { width: 44px; height: 44px; border-radius: 13px !important; }
    .navbar-collapse { padding: 11px; border-radius: 16px; }
    .user-stats-mobile { gap: 7px !important; }
    .stat-card { padding: 9px; gap: 7px; }
    .stat-icon { width: 33px; height: 33px; flex-basis: 33px; }
    .stat-title { font-size: .72rem; }
    .stat-value { font-size: .96rem; }
}

        .cookie-consent-banner {
            position: fixed;
            bottom: 0;
            left: 0;
            width: 100%;
            background-color: #ffffff;
            box-shadow: 0 -10px 30px rgba(0, 0, 0, 0.1);
            z-index: 2000;
            transform: translateY(120%);
            transition: transform 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            padding: 20px 0;
            border-top: 4px solid #8A64B3;
        }
        .cookie-consent-banner.show {
            transform: translateY(0);
        }

        @media (max-width: 767.98px) {
            .cookie-consent-banner { padding: 15px 0; }
            .cookie-consent-banner p { font-size: 0.85rem !important; line-height: 1.4 !important; text-align: center; }
            .cookie-consent-banner .btn { padding: 10px 15px !important; font-size: 0.95rem !important; }
        }

/* Footer helpers */
.hover-purple:hover { color: #8A64B3 !important; border-bottom-color: #8A64B3 !important; }
.fs-7 { font-size: 0.85rem; }