:root {
    --m-primary: #6366f1;
    --m-primary-hover: #4f46e5;
    --m-accent-from: #6366f1;
    --m-accent-to: #a855f7;
    --m-bg: #f3f4f6;
    --m-text: #1e293b;
    --m-text-sub: #64748b;
    --m-border: #e5e7eb;
    --m-radius: 16px;
    --m-input-radius: 10px;
}

body.mgmt-auth-body {
    font-family: 'Noto Sans JP', sans-serif;
    background-color: var(--m-bg);
    color: var(--m-text);
    padding: 32px 16px;
}

.mgmt-auth-container {
    max-width: 460px;
}

/* ── Card ──────────────────────────────────────── */
.mgmt-login-card {
    position: relative;
    background: #fff;
    border-radius: var(--m-radius);
    box-shadow: 0 10px 40px rgba(15, 23, 42, 0.08);
    padding: 40px 36px 32px;
    overflow: hidden;
}

.mgmt-login-accent {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: linear-gradient(90deg, var(--m-accent-from), var(--m-accent-to));
}

/* ── Head ──────────────────────────────────────── */
.mgmt-login-head {
    margin-bottom: 28px;
}

.mgmt-logo-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 18px;
    border-radius: 14px;
    background: #eef2ff;
    color: var(--m-primary);
    font-size: 26px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mgmt-login-title {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--m-text);
}

.mgmt-login-subtitle {
    font-size: 13px;
    color: var(--m-text-sub);
    margin: 0;
}

/* ── Labels ────────────────────────────────────── */
.mgmt-label {
    display: block;
    font-size: 13px;
    font-weight: 700;
    color: var(--m-text-sub);
    margin-bottom: 8px;
}

/* ── Role toggle ───────────────────────────────── */
.role-toggle {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.role-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 16px 10px;
    background: #f9fafb;
    border: 1.5px solid var(--m-border);
    border-radius: 12px;
    cursor: pointer;
    transition: border-color .2s, background-color .2s;
}

.role-card-icon {
    font-size: 22px;
    color: var(--m-text-sub);
    margin-bottom: 2px;
}

.role-card-name {
    font-size: 14px;
    font-weight: 700;
    color: var(--m-text);
}

.role-card-desc {
    font-size: 11px;
    color: var(--m-text-sub);
}

.role-card.active {
    border-color: var(--m-primary);
    background: #eef2ff;
}

.role-card.active .role-card-icon {
    color: var(--m-primary);
}

/* ── Inputs ────────────────────────────────────── */
.input-icon-wrap {
    position: relative;
}

.input-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: #94a3b8;
    font-size: 18px;
    pointer-events: none;
    z-index: 2;
}

.form-control,
.form-select {
    border: 1px solid var(--m-border);
    border-radius: var(--m-input-radius);
    padding: 12px 16px;
    font-size: 15px;
    transition: border-color .2s, box-shadow .2s;
}

.form-control.has-icon,
.form-select.has-icon {
    padding-left: 44px;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--m-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.12);
}

.password-addon {
    position: absolute;
    right: 0;
    top: 0;
    height: 100%;
    padding: 0 14px;
    border: 0;
    background: transparent;
    color: #94a3b8;
    z-index: 5;
}

.password-addon:hover {
    color: var(--m-primary);
}

/* バリデーションエラー時、Bootstrap の is-invalid アイコンがパスワード表示切替ボタンに重ならないようにする */
.input-icon-wrap .form-control.pe-5.is-invalid {
    background-image: none;
}

/* ── Submit ────────────────────────────────────── */
.btn-mgmt-login {
    background: var(--m-primary);
    color: #fff;
    border: 0;
    border-radius: var(--m-input-radius);
    padding: 14px;
    font-size: 15px;
    font-weight: 700;
    margin-top: 8px;
    transition: background-color .2s;
}

.btn-mgmt-login:hover {
    background: var(--m-primary-hover);
    color: #fff;
}

.btn-mgmt-login:disabled {
    background: #a5b4fc;
    cursor: not-allowed;
    opacity: .8;
}

/* ── Back link ─────────────────────────────────── */
.mgmt-back-link {
    color: var(--m-text-sub);
    font-size: 13px;
    text-decoration: none;
}

.mgmt-back-link:hover {
    color: var(--m-primary);
}