/* ── 관리자 로그인 ── */
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    font-family: 'Noto Sans KR', sans-serif;
    background: #F0F2F5;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-wrapper {
    width: 100%;
    max-width: 420px;
    padding: 20px;
}

.login-logo {
    text-align: center;
    margin-bottom: 32px;
}
.login-logo .logo-icon {
    width: 56px;
    height: 56px;
    background: #2B3A8E;
    border-radius: 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}
.login-logo .logo-icon i {
    font-size: 28px;
    color: #fff;
}
.login-logo h1 {
    font-size: 22px;
    font-weight: 700;
    color: #212121;
    margin-bottom: 6px;
}
.login-logo p {
    font-size: 14px;
    color: #80808F;
}

.login-card {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 2px 20px rgba(0,0,0,0.06);
    padding: 36px 32px;
}

.form-group {
    margin-bottom: 20px;
}
.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: #464E5F;
    margin-bottom: 6px;
}
.form-group input {
    width: 100%;
    height: 46px;
    border: 1px solid #E4E6EF;
    border-radius: 8px;
    padding: 0 14px;
    font-size: 14px;
    color: #464E5F;
    background: #F8F9FB;
    transition: border 0.2s;
    outline: none;
}
.form-group input:focus {
    border-color: #2B3A8E;
    background: #fff;
}
.form-group input.otp-input {
    text-align: center;
    font-size: 28px;
    letter-spacing: 10px;
    font-weight: 600;
    height: 56px;
}

.btn-login {
    width: 100%;
    height: 48px;
    border: none;
    border-radius: 8px;
    background: #2B3A8E;
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
    margin-top: 4px;
}
.btn-login:hover { background: #222f75; }

.btn-back {
    width: 100%;
    height: 42px;
    border: 1px solid #E4E6EF;
    border-radius: 8px;
    background: #fff;
    color: #80808F;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    margin-top: 10px;
}
.btn-back:hover { background: #F8F9FB; }

.login-footer {
    text-align: center;
    margin-top: 24px;
    font-size: 12px;
    color: #B5B5C3;
}

/* OTP */
.otp-desc {
    text-align: center;
    margin-bottom: 24px;
}
.otp-desc .otp-icon {
    width: 48px;
    height: 48px;
    background: #E1F0FF;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 12px;
}
.otp-desc .otp-icon i { font-size: 22px; color: #2B3A8E; }
.otp-desc h3 {
    font-size: 18px;
    font-weight: 700;
    color: #212121;
    margin-bottom: 6px;
}
.otp-desc p {
    font-size: 13px;
    color: #80808F;
}

/* 스피너 */
.layerPopup {
    display: none;
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0,0,0,0.3);
    z-index: 9999;
    justify-content: center;
    align-items: center;
}
.layerPopup.active { display: flex; }