*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: var(--font-sans);
    color: var(--color-text-dark);
    background:
        radial-gradient(circle at top left, rgba(var(--color-secondary-rgb), 0.16), transparent 28%),
        linear-gradient(180deg, #fffdf9 0%, var(--color-bg-warm) 36%, var(--color-bg-cream) 100%);
}

img,
svg {
    display: block;
    max-width: 100%;
}

a {
    color: inherit;
    text-decoration: none;
}

button,
input {
    font: inherit;
}

button {
    cursor: pointer;
}

.site-shell {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.site-header,
.site-footer {
    padding-inline: 1.25rem;
}

.site-header__inner,
.site-footer__note {
    width: min(100%, var(--container-page));
    margin: 0 auto;
}

.site-header {
    padding-top: 1.25rem;
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.95rem 0;
}

.site-brand {
    font-family: var(--font-serif);
    font-size: 1.85rem;
    font-weight: 700;
    line-height: 1.1;
    color: var(--color-primary);
}

.site-header__links {
    display: flex;
    align-items: center;
    gap: 1.1rem;
}

.site-link {
    padding-bottom: 0.35rem;
    border-bottom: 2px solid transparent;
    font-size: 0.74rem;
    font-weight: 800;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    transition: color 0.2s ease, border-color 0.2s ease;
}

.site-link.is-active,
.site-link:hover,
.site-link:focus-visible {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

.site-main {
    flex: 1;
    display: grid;
    place-items: center;
    padding: 2rem 1.25rem 3rem;
}

.site-footer {
    padding-bottom: 1.5rem;
}

.site-footer__note {
    margin: 0;
    text-align: center;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: #9aa4b1;
    line-height: 1.9;
}

.auth-card-shell {
    width: min(100%, var(--container-card));
    display: grid;
    background: rgba(255, 255, 255, 0.88);
    border: 1px solid rgba(226, 232, 240, 0.92);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    backdrop-filter: blur(8px);
}

.auth-card-visual {
    display: none;
}

.auth-card-panel {
    padding: 1.5rem;
}

.auth-card-panel__inner {
    width: min(100%, 480px);
    margin: 0 auto;
    display: grid;
    gap: 1.75rem;
}

.auth-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.auth-tab {
    padding-bottom: 0.7rem;
    border-bottom: 2px solid transparent;
    font-size: 0.74rem;
    font-weight: 800;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    transition: color 0.2s ease, border-color 0.2s ease;
}

.auth-tab.is-active,
.auth-tab:hover,
.auth-tab:focus-visible {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

.auth-copy {
    display: grid;
    gap: 0.85rem;
}

.auth-title {
    margin: 0;
    font-family: var(--font-serif);
    font-size: clamp(2.3rem, 5vw, 3.35rem);
    line-height: 1.02;
    font-weight: 600;
    letter-spacing: -0.03em;
}

.auth-subtitle {
    margin: 0;
    font-size: 1rem;
    line-height: 1.75;
    color: var(--color-text-muted);
}

.auth-form {
    display: grid;
    gap: 1.2rem;
}

.field-group {
    display: grid;
    gap: 0.65rem;
}

.field-topline {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.5rem 1rem;
}

.field-label,
.forgot-link,
.separator-text,
.site-footer__note {
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.field-label {
    color: var(--color-text-muted);
}

.forgot-link {
    color: #b8c0ca;
    transition: color 0.2s ease;
}

.forgot-link:hover,
.forgot-link:focus-visible {
    color: var(--color-primary);
}

.field-input {
    width: 100%;
    min-height: 3.4rem;
    border: 0;
    border-radius: 0.5rem;
    background: var(--color-input-bg);
    color: var(--color-text-dark);
    padding: 0.75rem 1rem;
    outline: none;
    transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.field-input::placeholder {
    color: #afb7c3;
}

.field-input:focus {
    box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.16);
}

.checkbox-row {
    display: flex;
    align-items: flex-start;
    gap: 0.8rem;
    padding-top: 0.2rem;
}

.checkbox-row input[type="checkbox"] {
    width: 1rem;
    height: 1rem;
    margin: 0.1rem 0 0;
    accent-color: var(--color-primary);
}

.checkbox-text {
    font-size: 0.88rem;
    line-height: 1.6;
    color: var(--color-text-dark);
}

.primary-button {
    width: 100%;
    min-height: 3.6rem;
    border: 0;
    border-radius: 0.5rem;
    background: var(--color-primary);
    color: var(--color-text-light);
    padding: 1rem 1.2rem;
    font-size: 0.8rem;
    font-weight: 800;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    box-shadow: 0 18px 30px rgba(var(--color-primary-rgb), 0.18);
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.primary-button:hover,
.primary-button:focus-visible {
    background: var(--color-secondary);
    color: var(--color-text-dark);
    transform: translateY(-1px);
}

.social-separator {
    position: relative;
    display: grid;
    place-items: center;
    margin: 0.35rem 0;
}

.social-separator::before {
    content: "";
    position: absolute;
    inset: 50% 0 auto;
    border-top: 1px solid var(--color-border-light);
    transform: translateY(-50%);
}

.separator-text {
    position: relative;
    z-index: 1;
    margin: 0;
    padding: 0 1rem;
    background: #fffdfb;
    color: #bcc3ce;
}

.social-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
}

.social-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.7rem;
    min-height: 3.25rem;
    padding: 0.9rem 1rem;
    border-radius: 0.75rem;
    border: 1px solid var(--color-border-light);
    background: var(--color-text-light);
    color: var(--color-text-dark);
    font-weight: 700;
    transition: border-color 0.2s ease, transform 0.2s ease;
}

.social-button:hover,
.social-button:focus-visible {
    border-color: #c4cdd8;
    transform: translateY(-1px);
}

.social-button span {
    font-size: 0.84rem;
}

.social-icon {
    width: 1rem;
    height: 1rem;
    flex: 0 0 auto;
}

.auth-card-kicker {
    margin: 0 0 0.9rem;
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.82);
}

.auth-card-visual__inner {
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 2.2rem;
    background-image:
        linear-gradient(to bottom, rgba(var(--color-primary-rgb), 0.42), rgba(var(--color-primary-dark-rgb), 0.82)),
        url("https://images.unsplash.com/photo-1549692520-acc6669e2f0c?auto=format&fit=crop&w=1400&q=80");
    background-size: cover;
    background-position: center;
    color: var(--color-text-light);
}

.auth-card-visual__title {
    margin: 0;
    max-width: 16rem;
    font-family: var(--font-serif);
    font-size: clamp(2rem, 3vw, 3.1rem);
    line-height: 1.05;
    font-weight: 600;
}

.auth-card-visual__line {
    width: 3rem;
    height: 0.2rem;
    margin: 1.25rem 0;
    border-radius: 999px;
    background: var(--color-secondary);
}

.auth-card-visual__text {
    margin: 0;
    max-width: 22rem;
    font-size: 0.98rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.84);
}

.auth-panel-note {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    margin-top: 1.5rem;
    padding: 0.9rem 1rem;
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.14);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-soft);
}

.auth-panel-note__icon {
    width: 2.25rem;
    height: 2.25rem;
    padding: 0.5rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.92);
    color: var(--color-primary);
}

.auth-panel-note__copy {
    display: grid;
    gap: 0.15rem;
}

.auth-panel-note__eyebrow {
    font-size: 0.62rem;
    font-weight: 800;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.7);
}

.auth-panel-note__text {
    font-size: 0.92rem;
    font-weight: 700;
    line-height: 1.4;
}

@media (min-width: 900px) {
    .auth-card-shell {
        grid-template-columns: minmax(340px, 0.95fr) minmax(0, 1.05fr);
    }

    .auth-card-visual {
        display: block;
    }

    .auth-card-panel {
        padding: 2.5rem;
    }
}

@media (max-width: 899px) {
    .auth-card-panel {
        padding: 1.75rem 1.25rem;
    }
}

@media (max-width: 640px) {
    .site-header__inner {
        flex-direction: column;
        align-items: flex-start;
    }

    .site-header__links,
    .auth-tabs {
        gap: 1rem;
        flex-wrap: wrap;
    }

    .auth-title {
        font-size: clamp(2rem, 8vw, 2.75rem);
    }

    .social-grid {
        grid-template-columns: 1fr;
    }
}

.auth-status,
.auth-alert {
    margin: 0;
    border-radius: 0.5rem;
    line-height: 1.6;
}

.auth-status {
    padding: 0.85rem 1rem;
    background: rgba(var(--color-secondary-rgb), 0.18);
    color: var(--color-primary);
    font-size: 0.95rem;
}

.field-input--error {
    border: 1.5px solid #dc2626 !important;
    background: #fff5f5;
}

.field-input--error:focus {
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.16);
}

.auth-alert {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    color: #dc2626;
    font-size: 0.84rem;
    font-weight: 600;
    margin-top: 0.15rem;
}

html[lang="my"] .auth-card-kicker,
html[lang="my"] .auth-card-visual__title,
html[lang="my"] .auth-title,
html[lang="my"] .field-label,
html[lang="my"] .forgot-link,
html[lang="my"] .primary-button,
html[lang="my"] .site-link,
html[lang="ko"] .auth-card-kicker,
html[lang="ko"] .field-label,
html[lang="ko"] .forgot-link,
html[lang="ko"] .primary-button,
html[lang="ko"] .site-link {
    letter-spacing: 0;
    text-transform: none;
}

html[lang="my"] .site-link {
    font-size: 1rem;
    font-weight: 600;
    line-height: 2.3;
}

html[lang="my"] .auth-card-kicker {
    font-size: 0.95rem;
    font-weight: 600;
    line-height: 2.3;
}

html[lang="my"] .auth-card-visual__title {
    max-width: 18rem;
    font-size: clamp(1.45rem, 2.2vw, 1.9rem);
    line-height: 2.35;
    font-weight: 600;
}

html[lang="my"] .auth-title {
    font-size: clamp(1.7rem, 6vw, 2.5rem);
    line-height: 2.35;
    font-weight: 600;
}

html[lang="my"] .primary-button {
    line-height: 2.2;
}

html[lang="my"] .auth-subtitle,
html[lang="my"] .auth-card-visual__text,
html[lang="my"] .auth-status,
html[lang="my"] .field-label,
html[lang="my"] .forgot-link,
html[lang="my"] .auth-alert {
    line-height: 2.2;
}

html[lang="my"] .field-label,
html[lang="my"] .forgot-link,
html[lang="my"] .primary-button {
    font-size: 1rem;
    font-weight: 600;
}