:root {
    color-scheme: light;
    font-family: "IBM Plex Sans Thai", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: #202124;
    background: #f7f6f4;
}

* { box-sizing: border-box; }
html, body { min-height: 100%; }

body {
    margin: 0;
    min-width: 280px;
    background: #f7f6f4;
}

.login-layout {
    min-height: 100vh;
    min-height: 100svh;
    display: grid;
    grid-template-columns: minmax(0, 1.56fr) minmax(420px, 1fr);
    overflow: hidden;
}

.login-visual {
    position: relative;
    min-width: 0;
    min-height: 100%;
    overflow: hidden;
    isolation: isolate;
    background: #030303;
}

.login-visual__graphic {
    position: absolute;
    inset: 0;
    z-index: -2;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center center;
}

.login-visual__shade {
    position: absolute;
    inset: 0;
    z-index: -1;
    background:
        linear-gradient(90deg, rgba(0, 0, 0, .72) 0%, rgba(0, 0, 0, .42) 34%, rgba(0, 0, 0, .05) 72%),
        linear-gradient(180deg, rgba(0, 0, 0, .24) 0%, transparent 28%, rgba(0, 0, 0, .38) 100%);
}

.login-brand {
    position: absolute;
    top: 44%;
    left: clamp(54px, 7.2vw, 118px);
    width: min(38vw, 350px);
    transform: translateY(-50%);
}

.login-brand p {
    margin: 0 0 23px;
    color: rgba(255, 255, 255, .7);
    font-size: clamp(13px, 1.05vw, 19px);
    font-weight: 500;
    letter-spacing: .28em;
}

.login-brand img {
    display: block;
    width: 100%;
    height: auto;
    object-fit: contain;
}

.login-panel {
    min-width: 0;
    display: grid;
    place-items: center;
    padding: clamp(48px, 6vw, 96px);
    background:
        radial-gradient(circle at 82% 16%, rgba(190, 48, 53, .035), transparent 21rem),
        #f7f6f4;
}

.login-content {
    width: min(100%, 390px);
    transform: translateY(-2vh);
}

.login-content h1 {
    margin: 0;
    color: #202124;
    font-size: clamp(42px, 3.3vw, 58px);
    font-weight: 700;
    line-height: 1.12;
    letter-spacing: -.035em;
}

.login-subtitle {
    margin: 17px 0 37px;
    color: #5f6368;
    font-size: clamp(17px, 1.35vw, 22px);
    font-weight: 400;
    line-height: 1.5;
}

.login-error {
    margin: -17px 0 24px;
    padding: 12px 14px;
    border: 1px solid #ebc3c5;
    border-radius: 10px;
    color: #8e2429;
    background: #fff1f2;
    font-size: 13px;
    line-height: 1.55;
}

.google-login {
    min-height: 76px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 17px;
    padding: 16px 24px;
    border: 1px solid #c4c7c5;
    border-radius: 10px;
    color: #202124;
    background: #fff;
    box-shadow: 0 4px 10px rgba(28, 28, 28, .13);
    text-decoration: none;
    font-size: 18px;
    font-weight: 600;
    transition: border-color .16s ease, box-shadow .16s ease, transform .16s ease;
}

.google-login:hover {
    transform: translateY(-1px);
    border-color: #9aa0a6;
    box-shadow: 0 7px 18px rgba(28, 28, 28, .16);
}

.google-login:focus-visible {
    outline: 3px solid rgba(26, 115, 232, .26);
    outline-offset: 4px;
}

.google-login__icon {
    width: 30px;
    height: 30px;
    display: grid;
    flex: 0 0 30px;
    place-items: center;
}

.google-login__icon svg {
    width: 27px;
    height: 27px;
}

@media (max-width: 860px) {
    .login-layout {
        grid-template-columns: 1fr;
        grid-template-rows: minmax(230px, 40svh) minmax(0, 1fr);
        overflow: visible;
    }

    .login-visual { min-height: 230px; }
    .login-visual__graphic { object-position: center 53%; }
    .login-visual__shade {
        background:
            linear-gradient(90deg, rgba(0, 0, 0, .62), rgba(0, 0, 0, .08) 70%),
            linear-gradient(0deg, rgba(0, 0, 0, .38), transparent 58%);
    }

    .login-brand {
        top: auto;
        right: auto;
        bottom: 27px;
        left: 28px;
        width: min(56vw, 245px);
        transform: none;
    }

    .login-brand p {
        margin-bottom: 12px;
        font-size: 11px;
        letter-spacing: .24em;
    }

    .login-panel {
        align-items: start;
        padding: 48px max(26px, env(safe-area-inset-right)) max(42px, env(safe-area-inset-bottom)) max(26px, env(safe-area-inset-left));
    }

    .login-content {
        width: min(100%, 430px);
        margin-inline: auto;
        transform: none;
    }

    .login-content h1 { font-size: clamp(36px, 9vw, 46px); }
    .login-subtitle { margin: 11px 0 30px; font-size: 17px; }
    .google-login { min-height: 62px; font-size: 16px; }
}

@media (max-width: 420px) {
    .login-layout { grid-template-rows: minmax(210px, 35svh) minmax(0, 1fr); }
    .login-visual { min-height: 210px; }
    .login-brand { bottom: 22px; left: 22px; width: min(62vw, 220px); }
    .login-panel { padding: 38px 22px max(32px, env(safe-area-inset-bottom)); }
    .login-subtitle { margin-bottom: 27px; }
    .google-login { padding-inline: 18px; }
}

@media (prefers-reduced-motion: reduce) {
    .google-login { transition: none; }
}