/* 왜: 로그인 화면은 다른 업무 화면과 분위기가 달라 별도 파일로 분리해 첫 인상을 안정적으로 제어합니다. */
body.auth-page {
    background:
        radial-gradient(circle at top left, rgba(179, 138, 76, 0.18), transparent 22%),
        radial-gradient(circle at bottom right, rgba(34, 79, 149, 0.18), transparent 26%),
        linear-gradient(135deg, #111827 0%, #16253f 42%, #1f2937 100%);
    color: #edf3fb;
}

/* 왜: 로그인 화면은 안내 영역과 입력 영역이 한눈에 구분돼야 하므로 2단 레이아웃을 사용합니다. */
body.auth-page .page {
    min-height: 100vh;
    display: grid;
    grid-template-columns: minmax(360px, 1.2fr) minmax(420px, 500px);
    gap: 28px;
    align-items: center;
    padding: 30px;
}

body.auth-page .intro-panel {
    padding: 48px 46px;
    border: 1px solid rgba(184, 198, 216, 0.14);
    border-radius: 24px;
    background: linear-gradient(180deg, rgba(19, 31, 53, 0.88), rgba(14, 24, 40, 0.92));
    box-shadow: 0 26px 60px rgba(2, 6, 23, 0.28);
}

/* 왜: intro 영역은 브랜드/운영 원칙 소개가 목적이라 정보 카드 성격으로 디자인합니다. */
body.auth-page .eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
    padding: 7px 11px;
    border: 1px solid rgba(179, 138, 76, 0.34);
    border-radius: 999px;
    background: rgba(179, 138, 76, 0.12);
    color: #f5d8a2;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

body.auth-page .intro-kicker {
    margin-bottom: 16px;
    color: rgba(226, 232, 240, 0.74);
    font-size: 12px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

body.auth-page .intro-panel h1 {
    margin: 0;
    font-size: 40px;
    line-height: 1.24;
    color: #ffffff;
}

body.auth-page .intro-copy {
    margin: 18px 0 0;
    max-width: 640px;
    color: #c1cfde;
    font-size: 16px;
    line-height: 1.9;
}

body.auth-page .feature-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
    margin-top: 30px;
}

body.auth-page .feature-card {
    padding: 18px;
    border: 1px solid rgba(148, 163, 184, 0.12);
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.035);
}

body.auth-page .feature-title {
    margin: 0 0 10px;
    font-size: 13px;
    font-weight: 700;
    color: #f8fafc;
}

body.auth-page .feature-text {
    margin: 0;
    color: #9fb0c5;
    font-size: 13px;
    line-height: 1.7;
}

body.auth-page .intro-board {
    margin-top: 26px;
    padding: 22px;
    border: 1px solid rgba(148, 163, 184, 0.14);
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.04);
}

body.auth-page .intro-board-title {
    margin-bottom: 14px;
    color: #f8fafc;
    font-size: 14px;
    font-weight: 700;
}

body.auth-page .intro-board-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

body.auth-page .intro-board-item {
    padding: 14px 16px;
    border: 1px solid rgba(148, 163, 184, 0.1);
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.03);
}

body.auth-page .intro-board-label {
    display: block;
    margin-bottom: 6px;
    color: #9fb0c5;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

body.auth-page .intro-board-item strong {
    color: #ffffff;
    font-size: 15px;
}

/* 왜: 실제 로그인 행위는 밝은 패널에 두어 입력 가독성과 집중도를 높입니다. */
body.auth-page .login-panel {
    padding: 34px 32px;
    border: 1px solid #d4dce7;
    border-radius: 20px;
    background: #ffffff;
    box-shadow: var(--shadow-elevated);
    color: var(--color-text-strong);
}

body.auth-page .panel-head {
    margin-bottom: 24px;
    padding-bottom: 18px;
    border-bottom: 1px solid #e7edf4;
}

body.auth-page .panel-badge {
    display: inline-flex;
    align-items: center;
    margin-bottom: 12px;
    padding: 6px 10px;
    border-radius: 999px;
    background: var(--color-primary-soft);
    color: var(--color-primary);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

body.auth-page .panel-head h2 {
    margin: 0 0 10px;
    font-size: 28px;
    color: var(--color-text-strong);
}

body.auth-page .panel-head p {
    margin: 0;
    color: var(--color-text-subtle);
    line-height: 1.8;
}

body.auth-page .field {
    margin-bottom: 16px;
}

/* 왜: 폼 요소는 현장 사용자가 빠르게 읽고 입력할 수 있게 높이와 대비를 조금 크게 잡습니다. */
body.auth-page label {
    display: block;
    margin-bottom: 8px;
    font-size: 12px;
    font-weight: 700;
    color: #334155;
    letter-spacing: 0.04em;
}

body.auth-page input {
    width: 100%;
    height: 48px;
    padding: 0 15px;
    border: 1px solid #cfd8e3;
    border-radius: 10px;
    background: #f7f9fc;
    font-size: 15px;
    color: var(--color-text-strong);
}

body.auth-page input:focus {
    outline: none;
    border-color: var(--color-primary);
    background: #ffffff;
    box-shadow: 0 0 0 4px rgba(34, 79, 149, 0.12);
}

body.auth-page .button-row {
    display: flex;
    gap: 12px;
    margin-top: 8px;
}

body.auth-page button {
    flex: 1;
    height: 50px;
    border: none;
    border-radius: 10px;
    background: linear-gradient(180deg, #2a5ca4, #224f95);
    color: #ffffff;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 10px 22px rgba(34, 79, 149, 0.2);
}

body.auth-page .sub-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 104px;
    height: 50px;
    padding: 0 16px;
    border: 1px solid #d8e1eb;
    border-radius: 10px;
    background: #ffffff;
    color: #475569;
    font-size: 13px;
    font-weight: 700;
}

body.auth-page .error {
    margin-bottom: 18px;
    padding: 13px 14px;
    border: 1px solid #f5c2c7;
    border-radius: 10px;
    background: #fff6f6;
    color: #b42318;
    font-size: 14px;
}

body.auth-page .meta-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin-top: 22px;
}

body.auth-page .meta-card {
    padding: 14px 16px;
    border: 1px solid #e5ebf3;
    border-radius: 12px;
    background: #f8fafc;
}

body.auth-page .meta-label {
    margin-bottom: 6px;
    font-size: 12px;
    font-weight: 700;
    color: #64748b;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

body.auth-page .meta-value {
    color: #0f172a;
    font-size: 14px;
    line-height: 1.6;
}

body.auth-page .hint {
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid #e7edf4;
    color: #64748b;
    font-size: 12px;
    line-height: 1.9;
}

/* 왜: 작은 화면에서는 좌우 분리보다 세로 적층이 읽기 쉬워 반응형으로 전환합니다. */
@media (max-width: 1180px) {
    body.auth-page .page {
        grid-template-columns: 1fr;
        padding: 24px;
    }

    body.auth-page .feature-grid {
        grid-template-columns: 1fr;
    }

    body.auth-page .intro-board-grid {
        grid-template-columns: 1fr;
    }
}