/* Shared frontend tools: language, toast and password strength */
.bsscos-language-switch {
    position: fixed;
    left: 18px;
    bottom: 18px;
    z-index: 1090;
    display: flex;
    gap: 3px;
    padding: 4px;
    border: 1px solid rgba(148, 163, 184, .38);
    border-radius: 999px;
    background: rgba(255, 255, 255, .96);
    box-shadow: 0 12px 30px rgba(15, 23, 42, .18);
    backdrop-filter: blur(10px);
}

.bsscos-language-switch button {
    border: 0;
    border-radius: 999px;
    padding: 7px 11px;
    color: #475569;
    background: transparent;
    font-size: .78rem;
    font-weight: 700;
}

.bsscos-language-switch button.is-active {
    color: #fff;
    background: #1d4ed8;
}

.bsscos-toast {
    position: fixed;
    left: 50%;
    bottom: 94px;
    z-index: 2100;
    max-width: min(420px, calc(100vw - 28px));
    transform: translate(-50%, 15px);
    padding: 11px 16px;
    border-radius: 12px;
    color: #fff;
    background: #0f172a;
    box-shadow: 0 16px 35px rgba(15, 23, 42, .3);
    opacity: 0;
    pointer-events: none;
    transition: opacity .2s ease, transform .2s ease;
}

.bsscos-toast.is-visible { opacity: 1; transform: translate(-50%, 0); }

.bsscos-password-strength {
    margin-top: 10px;
    padding: 12px;
    border: 1px solid #e2e8f0;
    border-radius: 13px;
    background: #f8fafc;
}

.bsscos-password-meter {
    height: 7px;
    margin-bottom: 10px;
    overflow: hidden;
    border-radius: 999px;
    background: #e2e8f0;
}

.bsscos-password-meter span {
    display: block;
    width: 0;
    height: 100%;
    border-radius: inherit;
    background: #dc2626;
    transition: width .2s ease, background .2s ease;
}

.bsscos-password-rules {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px;
    margin: 0;
    padding: 0;
    list-style: none;
    color: #64748b;
    font-size: .78rem;
}

.bsscos-password-rules li.is-valid { color: #15803d; font-weight: 700; }

@media (max-width: 575.98px) {
    .bsscos-language-switch { left: 10px; bottom: 12px; }
    .bsscos-password-rules { grid-template-columns: 1fr; }
}

@media print {
    .bsscos-language-switch,
    .bsscos-chatbot-toggle,
    .bsscos-chatbot-panel,
    .back-to-top { display: none !important; }
}