/* ログイン画面・認証まわり */
.auth-loading {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    color: var(--color-text-muted);
}

.auth-loading i {
    font-size: 2.5rem;
    color: var(--color-primary);
}

.login-screen {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    padding: 1rem;
}

.login-card {
    background: white;
    border-radius: 16px;
    padding: 2.5rem;
    width: 100%;
    max-width: 420px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.login-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.8rem;
    margin-bottom: 2rem;
    color: var(--color-primary);
}

.login-logo i {
    font-size: 2rem;
}

.login-logo h1 {
    font-size: 1.6rem;
    color: var(--color-text);
}

.login-field {
    margin-bottom: 1.2rem;
}

.login-field label {
    display: block;
    font-weight: 600;
    color: var(--color-text-secondary);
    margin-bottom: 0.4rem;
}

.login-field input {
    width: 100%;
    padding: 0.8rem;
    border: 2px solid var(--color-border);
    border-radius: 8px;
    font-size: 1rem;
}

.login-field input:focus {
    outline: none;
    border-color: var(--color-primary);
}

.login-error {
    color: var(--color-danger);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.login-submit {
    width: 100%;
    padding: 0.9rem;
    font-size: 1.05rem;
    justify-content: center;
}

.login-note {
    margin-top: 1.5rem;
    font-size: 0.85rem;
    color: var(--color-text-muted);
    text-align: center;
}

/* ヘッダーのユーザー表示・ログアウト */
.current-user-name {
    font-weight: 600;
}

.btn-logout {
    background: rgba(255, 255, 255, 0.15);
    border: none;
    color: white;
    padding: 0.4rem 0.7rem;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.2s;
}

.btn-logout:hover {
    background: rgba(255, 255, 255, 0.3);
}