.language-picker {
    position: relative;
    display: flex;
    align-items: center;
    gap: 0.55rem;
    margin-left: auto;
    padding: 0.35rem 0.45rem 0.35rem 0.75rem;
    color: #fff;
    background: rgba(5, 46, 22, 0.22);
    border: 1px solid rgba(255, 255, 255, 0.35);
    border-radius: 999px;
    transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.language-picker:hover {
    background: rgba(5, 46, 22, 0.34);
    border-color: rgba(255, 255, 255, 0.65);
}

.language-picker:focus-within {
    border-color: #fff;
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.24);
}

.language-picker__icon {
    flex: 0 0 auto;
    font-size: 0.95rem;
    pointer-events: none;
}

.language-picker__select {
    width: 10.5rem;
    min-height: 2rem;
    padding: 0.15rem 2rem 0.15rem 0.25rem;
    color: #fff;
    font: inherit;
    font-size: 0.9rem;
    font-weight: 600;
    line-height: 1.4;
    background-color: transparent;
    border: 0;
    cursor: pointer;
}

.language-picker__select:focus {
    outline: 0;
    box-shadow: none;
}

.language-picker__select:disabled {
    cursor: wait;
    opacity: 0.7;
}

.language-picker__select option {
    color: #111827;
    background: #fff;
}

.language-picker--error {
    border-color: #fecaca;
    background: rgba(127, 29, 29, 0.35);
}

.language-picker__message {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    z-index: 1000;
    display: none;
    width: max-content;
    max-width: min(22rem, calc(100vw - 2rem));
    padding: 0.55rem 0.75rem;
    color: #7f1d1d;
    font-size: 0.8rem;
    font-weight: 600;
    line-height: 1.4;
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: 0.5rem;
    box-shadow: 0 8px 20px rgba(15, 23, 42, 0.2);
}

.language-picker--error .language-picker__message {
    display: block;
}

.theme-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
    width: 2.75rem;
    height: 2.75rem;
    margin-left: 0.75rem;
    color: #fff;
    background: rgba(5, 46, 22, 0.22);
    border: 1px solid rgba(255, 255, 255, 0.35);
    border-radius: 50%;
    cursor: pointer;
    transition: transform 0.2s ease, background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.theme-toggle:hover,
.theme-toggle:focus {
    background: rgba(5, 46, 22, 0.34);
    border-color: rgba(255, 255, 255, 0.65);
    transform: translateY(-1px);
}

.theme-toggle:focus-visible {
    outline: 3px solid rgba(255, 255, 255, 0.85);
    outline-offset: 3px;
}

.theme-toggle i {
    font-size: 1rem;
}

html[data-theme] body,
html[data-theme] .hero-section,
html[data-theme] .header-section,
html[data-theme] .features-section,
html[data-theme] .feature-card,
html[data-theme] .policy-section,
html[data-theme] .terms-section,
html[data-theme] .contact-card,
html[data-theme] .issue-card,
html[data-theme] .support-card,
html[data-theme] .notice,
html[data-theme] .contact-box,
html[data-theme] footer {
    transition: background 0.25s ease, background-color 0.25s ease, color 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

html[data-theme="dark"] body {
    color: #ffffff;
    background: linear-gradient(180deg, #0f172a 0%, #020617 100%);
}

html[data-theme="light"] body {
    color: #1e293b;
    background: linear-gradient(180deg, #f8fafc 0%, #f1f5f9 100%);
}

html[data-theme] nav {
    background: linear-gradient(90deg, #22c55e 0%, #16a34a 100%);
    box-shadow: 0 4px 15px rgba(34, 197, 94, 0.28);
}

html[data-theme] nav .navbar-brand,
html[data-theme] nav .navbar-brand i {
    color: #ffffff !important;
}

html[data-theme="light"] .language-picker,
html[data-theme="light"] .theme-toggle {
    color: #ffffff;
    background: rgba(20, 83, 45, 0.24);
    border-color: rgba(255, 255, 255, 0.55);
}

html[data-theme="light"] .language-picker:hover,
html[data-theme="light"] .theme-toggle:hover,
html[data-theme="light"] .theme-toggle:focus,
html[data-theme="light"] .language-picker:focus-within {
    background: rgba(20, 83, 45, 0.34);
    border-color: rgba(255, 255, 255, 0.8);
}

html[data-theme="dark"] .hero-section,
html[data-theme="dark"] .header-section {
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.1) 0%, rgba(34, 197, 94, 0.05) 100%);
    border-bottom-color: rgba(34, 197, 94, 0.3);
}

html[data-theme="light"] .hero-section,
html[data-theme="light"] .header-section {
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.11) 0%, rgba(241, 245, 249, 0.92) 100%);
    border-bottom-color: rgba(34, 197, 94, 0.22);
}

html[data-theme] .hero-section h1,
html[data-theme] .hero-section i,
html[data-theme] .header-section h1,
html[data-theme] .header-section i,
html[data-theme] h1,
html[data-theme] h2,
html[data-theme] h3,
html[data-theme] strong,
html[data-theme] a,
html[data-theme] .feature-card i,
html[data-theme] .feature-item h4,
html[data-theme] li::before {
    color: #22c55e;
}

html[data-theme="light"] .hero-section p,
html[data-theme="light"] .header-section p,
html[data-theme="light"] .section-sub,
html[data-theme="light"] .feature-item ul,
html[data-theme="light"] .feature-item li,
html[data-theme="light"] .feature-card p,
html[data-theme="light"] .contact-card p,
html[data-theme="light"] .last-updated,
html[data-theme="light"] footer,
html[data-theme="light"] p,
html[data-theme="light"] li {
    color: #334155;
}

html[data-theme="dark"] .hero-section p,
html[data-theme="dark"] .header-section p,
html[data-theme="dark"] .section-sub,
html[data-theme="dark"] .feature-item ul,
html[data-theme="dark"] .feature-item li,
html[data-theme="dark"] .feature-card p,
html[data-theme="dark"] .contact-card p,
html[data-theme="dark"] .last-updated,
html[data-theme="dark"] footer,
html[data-theme="dark"] p,
html[data-theme="dark"] li {
    color: #cbd5e1;
}

html[data-theme="dark"] .features-section,
html[data-theme="dark"] .feature-card,
html[data-theme="dark"] .policy-section,
html[data-theme="dark"] .terms-section,
html[data-theme="dark"] .contact-card,
html[data-theme="dark"] .issue-card,
html[data-theme="dark"] .contact-box {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(34, 197, 94, 0.3);
}

html[data-theme="light"] .features-section,
html[data-theme="light"] .feature-card,
html[data-theme="light"] .policy-section,
html[data-theme="light"] .terms-section,
html[data-theme="light"] .contact-card,
html[data-theme="light"] .issue-card,
html[data-theme="light"] .contact-box {
    color: #1e293b;
    background: #ffffff;
    border-color: rgba(34, 197, 94, 0.22);
    box-shadow: 0 10px 28px rgba(15, 23, 42, 0.08);
}

html[data-theme] .policy-section,
html[data-theme] .terms-section,
html[data-theme] .notice {
    border-left-color: #22c55e;
}

html[data-theme="dark"] .support-card,
html[data-theme="dark"] .notice {
    background: rgba(34, 197, 94, 0.08);
    border-color: #22c55e;
}

html[data-theme="light"] .support-card,
html[data-theme="light"] .notice {
    color: #1e293b;
    background: rgba(34, 197, 94, 0.09);
    border-color: rgba(34, 197, 94, 0.38);
}

html[data-theme] .feature-card:hover {
    color: #ffffff;
    background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
    border-color: #22c55e;
    box-shadow: 0 8px 25px rgba(34, 197, 94, 0.2);
}

html[data-theme] .feature-card:hover i,
html[data-theme] .feature-card:hover p,
html[data-theme] .feature-card:hover h3,
html[data-theme] .contact-item strong,
html[data-theme] .support-card a,
html[data-theme] .support-card a:hover {
    color: #ffffff;
}

html[data-theme="light"] .contact-item strong {
    color: #1e293b;
}

html[data-theme] .support-card a {
    background: #22c55e;
}

html[data-theme] .support-card a:hover {
    background: #16a34a;
}

html[data-theme] a:hover,
html[data-theme] .back-link:hover {
    color: #16a34a;
}

html[data-theme="dark"] .back-link {
    color: #22c55e;
    background: rgba(34, 197, 94, 0.16);
    border-color: rgba(34, 197, 94, 0.5);
}

html[data-theme="light"] .back-link {
    color: #15803d;
    background: rgba(34, 197, 94, 0.1);
    border-color: rgba(34, 197, 94, 0.34);
}

html[data-theme] .back-link:hover {
    background: rgba(34, 197, 94, 0.2);
    border-color: #22c55e;
}

html[data-theme="dark"] footer {
    background: rgba(2, 6, 23, 0.86);
    border-top-color: rgba(34, 197, 94, 0.3);
}

html[data-theme="light"] footer {
    background: rgba(255, 255, 255, 0.88);
    border-top-color: rgba(34, 197, 94, 0.2);
}

.bottom-actions {
    position: fixed;
    right: 1.25rem;
    bottom: 1.25rem;
    z-index: 1100;
    width: 3.5rem;
}

.bottom-actions__toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 3.5rem;
    height: 3.5rem;
    margin-left: auto;
    color: #fff;
    font-size: 1.85rem;
    font-weight: 800;
    line-height: 1;
    list-style: none;
    cursor: pointer;
    background: #27ae60;
    border: 1px solid rgba(255, 255, 255, 0.55);
    border-radius: 50%;
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.35);
    transition: transform 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease;
}

.bottom-actions__toggle::-webkit-details-marker {
    display: none;
}

.bottom-actions__toggle:hover,
.bottom-actions__toggle:focus {
    background: #229954;
    box-shadow: 0 14px 34px rgba(39, 174, 96, 0.32);
    transform: translateY(-2px);
}

.bottom-actions__toggle:focus-visible {
    outline: 3px solid rgba(255, 255, 255, 0.85);
    outline-offset: 4px;
}

.bottom-actions__toggle-icon::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 1.35rem;
    height: 0.18rem;
    background: currentColor;
    border-radius: 999px;
    transform: translate(-50%, -50%);
}

.bottom-actions__toggle-icon {
    position: relative;
    display: block;
    width: 1.6rem;
    height: 1.6rem;
    transition: transform 0.28s ease;
}

.bottom-actions__toggle-icon::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0.18rem;
    height: 1.35rem;
    background: currentColor;
    border-radius: 999px;
    transform: translate(-50%, -50%) scaleY(1);
    transition: opacity 0.22s ease, transform 0.22s ease;
}

.bottom-actions[open] .bottom-actions__toggle-icon {
    transform: rotate(180deg);
}

.bottom-actions[open] .bottom-actions__toggle-icon::after {
    opacity: 0;
    transform: translate(-50%, -50%) scaleY(0);
}

.bottom-actions__list {
    position: absolute;
    right: 0;
    bottom: 4.3rem;
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
    width: 100%;
    padding: 0.45rem;
    background: #27ae60;
    border: 1px solid rgba(255, 255, 255, 0.35);
    border-radius: 999px;
    box-shadow: 0 16px 38px rgba(0, 0, 0, 0.35);
    animation: bottomActionsIn 0.24s ease both;
}

.bottom-actions__link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.6rem;
    height: 2.6rem;
    padding: 0;
    color: #fff;
    text-align: center;
    text-decoration: none;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 8px;
    opacity: 0;
    transform: translateY(0.65rem) scale(0.85);
    transition: transform 0.2s ease, border-color 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease;
}

html[data-theme] .bottom-actions__link,
html[data-theme] .bottom-actions__link i,
html[data-theme] .bottom-actions__link:hover,
html[data-theme] .bottom-actions__link:focus {
    color: #ffffff;
}

.bottom-actions[open] .bottom-actions__link {
    animation: bottomActionIconIn 0.34s cubic-bezier(0.2, 0.8, 0.2, 1.1) both;
}

.bottom-actions[open] .bottom-actions__link:nth-child(1) {
    animation-delay: 0.06s;
}

.bottom-actions[open] .bottom-actions__link:nth-child(2) {
    animation-delay: 0.16s;
}

.bottom-actions[open] .bottom-actions__link:nth-child(3) {
    animation-delay: 0.26s;
}

.bottom-actions[open] .bottom-actions__link:nth-child(4) {
    animation-delay: 0.36s;
}

.bottom-actions[open] .bottom-actions__link:nth-child(5) {
    animation-delay: 0.46s;
}

.bottom-actions__link:hover,
.bottom-actions__link:focus {
    color: #fff;
    background: rgba(255, 255, 255, 0.22);
    border-color: rgba(255, 255, 255, 0.45);
    box-shadow: 0 8px 22px rgba(14, 98, 45, 0.24);
    transform: translateY(-2px);
}

.bottom-actions__link:focus-visible {
    outline: 3px solid rgba(255, 255, 255, 0.85);
    outline-offset: 3px;
}

.bottom-actions__link i {
    flex: 0 0 auto;
    width: auto;
    color: #ffffff;
    font-size: 1.15rem;
    text-align: center;
}

@keyframes bottomActionsIn {
    from {
        opacity: 0;
        transform: translateY(0.75rem) scale(0.92);
    }

    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes bottomActionIconIn {
    from {
        opacity: 0;
        transform: translateY(0.65rem) scale(0.85);
    }

    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@media (prefers-reduced-motion: reduce) {
    .bottom-actions__toggle,
    .bottom-actions__toggle-icon,
    .bottom-actions__toggle-icon::after,
    .bottom-actions__link {
        transition: none;
    }

    .bottom-actions__list,
    .bottom-actions[open] .bottom-actions__link {
        animation: none;
    }

    .bottom-actions__link {
        opacity: 1;
        transform: none;
    }
}

@media (max-width: 575.98px) {
    nav .container-fluid {
        gap: 0.75rem;
        flex-wrap: nowrap;
    }

    nav .navbar-brand {
        max-width: calc(100% - 11.5rem);
        overflow: hidden;
        font-size: 1.05rem;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .language-picker {
        padding: 0.35rem 0.5rem;
    }

    .language-picker__select {
        width: 7.25rem;
        padding-right: 1.5rem;
    }

    .theme-toggle {
        width: 2.4rem;
        height: 2.4rem;
        margin-left: 0;
    }

    .bottom-actions {
        right: 1rem;
        bottom: 1rem;
    }
}