:root {
    color-scheme: light;
    font-family: -apple-system, BlinkMacSystemFont, "Pretendard", "Noto Sans KR", sans-serif;
    color: #23302a;
    background: #f4f1e9;
}

* { box-sizing: border-box; }

body {
    height: 100%;
    margin: 0;
    background: #fff;
    font-family: '나눔고딕', NanumGothic;
    font-size: 15px;
    font-weight: normal;
    line-height: 140%;
}

.login-shell {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 24px;
    background:
        radial-gradient(circle at 15% 20%, rgba(116, 151, 126, .22), transparent 32%),
        radial-gradient(circle at 85% 80%, rgba(203, 164, 108, .22), transparent 35%),
        #f4f1e9;
}

.login-card {
    width: min(100%, 420px);
    padding: 42px 36px;
    border: 1px solid rgba(35, 48, 42, .12);
    border-radius: 22px;
    background: rgba(255, 255, 255, .9);
    box-shadow: 0 24px 70px rgba(35, 48, 42, .12);
}

.eyebrow {
    margin: 0 0 10px;
    color: #547361;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: .18em;
}

h1 { margin: 0; font-size: 28px; line-height: 1.3; }
.description { margin: 12px 0 28px; color: #66736d; line-height: 1.6; }

label { display: block; margin-bottom: 8px; font-size: 14px; font-weight: 700; }
input[type="password"] {
    width: 100%;
    height: 48px;
    padding: 0 14px;
    border: 1px solid #c9d0cc;
    border-radius: 10px;
    font: inherit;
}
input[type="password"]:focus { outline: 3px solid rgba(84, 115, 97, .18); border-color: #547361; }

.remember { display: flex; align-items: center; gap: 9px; margin: 16px 0 22px; font-weight: 500; }
.remember input { width: 17px; height: 17px; accent-color: #547361; }

button {
    width: 100%;
    height: 48px;
    border: 0;
    border-radius: 10px;
    color: #fff;
    background: #3f6650;
    font: inherit;
    font-weight: 800;
    cursor: pointer;
}
button:hover { background: #345643; }

.message { padding: 11px 13px; border-radius: 8px; font-size: 14px; }
.message.error { color: #8b2f2f; background: #fff0f0; }
.message.success { color: #2f6b46; background: #edf8f0; }